Instruction/ maintenance manual of the product 8050QMA MiTAC
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BY: ZX Xiao Repair Technology Research Department /EDVD Repair Technology Research Department /EDVD Jun.2005 / R01 SERVICE MANUAL FOR 8050QMA SERVICE MANUAL FOR SERVICE MANUAL FOR 8050QMA 8050QMA.
1 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contents 1. Hard ware Engineering Specifica tion …… ……………………………… …………………… …………… 1.1 Introduction …………………… ……………………… ……………………… ……………………… ………………….
2 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contents 5. Pin Description of Ma jor Com ponent … ….………… …………………… …………………… …………. 5.1 Intel 915PM North Bridge ……………………………… ……………………… ……………………… ……………….
3 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contents 8.12 PC Card Socket Failure ……………………………… ……………………… ……………………… ………………… 9. Spare Parts List ……………………………………… …………………… …………………… ………….
4 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.1 Introduction 1. Hardw are Engineeri ng Specification This do cum ent de scribe s the brief intro duc tion for M iTAC 80 50QM A portab le note book com puter sy stem. 1.1.1 General Description 1.1.
5 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance (DMI) connect ing wi th Intel ICH 6-M. The Intel ICH6-M integrates three Univer sal Serial Bus 2.0 Host Controller s Interface (UHCI), the Audio Con.
6 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance configurations, so tha t compact, high perform ance system s can be im plem ented ea sily . A full set of software drivers and utilities ar e availa.
7 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.2 System H ardware Parts CPU I ntel® Penti um® M Processor (Dot han) 90n m, 2 M L2, 533 MHz FSB I ntel ® Celeron® M processor, 90nm , 512K L2,.
8 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.2.1 Intel Dot han Processor s in Micro-F CBGA Pac kage Intel Dot han Proces sors wi th 47 9 pins Mi cro-FCBGA pa ckag e. It will be m anufac ture d on Inte l’s a dvanc ed 9 0 nanom eter proc e ss te chnol ogy with c opper int ercon nect.
9 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Supports tig h t ppm accuracy clocks for Serial-AT A and SRC. • Supports spread spe ctrum modula tion, 0 t o –0. 5% dow n spread. • Uses exter n al 14. 318MHz crystal, external cry stal load caps are required for freque ncy tuning.
10 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Intel ® Doth an process or • AGTL+ bus driver technology with integrated GTL termination resistor s (gated AGTL+ receivers for reduced power.
11 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • 256-MB, 5 12-MB and 1-GB techno logy using x8 and x16 d evices. • Three m emory channel organizatio ns are suppor ted for DDR / D DR2 : – S.
12 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Supports o n ly 1.5-V AGP electric s • 32 deep A GP reque st queue • Hierarchical PCI-c ompliant c onfiguration mechanism for downstream de.
13 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Integrate d Serial ATA host c ontroller wit h inde pendent D MA operatio n on two ports a nd AHCI supp ort • Integrate d IDE cont roller supports U ltra ATA100/6 6/33 • USB host interface with support for three USB ports; three UHCI host controllers; one EHCI high- speed USB2.
14 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Pin out Com patible w ith CB 1410 • PCI Interface – Complia nt with PCI L ocal Bus S pecif ication Rev ision 2.3 – Compliant with PCI Bus Power Managem ent Interface Specification Re vision 1.
15 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Mem ory Stick Interface – Complia nt with Mem ory Stick PRO Form at Specification Versi on 1.
16 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Support parallel 4-wire pow er switch interface The AL C655 is a 16-bit, fu ll duplex AC '97 2.3 com patible six c hannels a udio CODEC de signed for PC m ultimedia system s, includ ing host/ soft audio and A MR/CN R based de signs.
17 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Meets perform ance requirements for audio on PC99/2001 system s • Meets Mi crosoft WHQ L/ WLP 2. 0 audio requirem ents • 16-bit Stere o full-du plex COD EC with 48K Hz samplin g rate • Com p liant wi th AC’97 2.
18 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Stereo MIC record for AEC/BF application • Supports Pow er Off CD func tion • Adjus table VREFOUT con trol Su pports double sampli ng rate (96KHz) o f DVD audio playback • Support 48K Hz of S/PDIF output i s com pliant with A C’97 rev2.
19 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance sm all outline packa ges (AC’97 interfac e on PCT303A and phone -line interface on PCT303W ). The chip set elim inates the ne ed for an AFE, an is olation tran sformer, relays, o pto-isolator s, and 2-to 4-wire hybrid.
20 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • 2-4-wire hy brid • Integrate d ring detector • High vol tage isol ation of 4000V • Support for “ Caller ID” • Com pliant with FCC Part68, CTR21, Net4 a nd JATE • Low pow er standby • Low pro file SOIC package 16 pins 10x 3x1.
21 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Data – ITU-T V.90 (56 Kbps), V. 34 (4.8Kbps T O 33.6 Kbp s), V.32 bis ( 4.8Kbp s to 14.4K bps), V. 22 bis (1.2 bp s to 2.4 Kb ps), V.21 a nd Bell 10 3 and 212A(30 0 to 1200 bp s) modulati on protocol – Data Com pression ITU-T V .
22 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.2.8 IEEE1394 VT630 1S 1.2.8.1 Overview The VT 6301S IEEE 1394 OHCI H ost Control ler provide s high perform ance serial conn ectivity. It i m plement s the Link a nd Phy layers for IEEE 1394-1 995 High Perform ance Serial Bu s specificati on release 1.
23 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • 3-d eep physi cal pos t-write queue • 2-deep phy sical respon se queue • Dual buffer mode e nhancem ents • Skip Proce ssing en hanc ement.
24 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance – Chip-Erase f or PP Mode Single 3. 0-3.6V Rea d and W rite Operations Superior Relia bility Firmware Hub Hardware Interface Mode Supports Intel .
25 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • JEDE C standard 1.8V I/O (SSTL_18-co mpatible) • Differential da ta strobe (DQS ,DQ S#) option • Four-bit prefetch architecture • Differe.
26 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Programm able burst length s : 4 or 8 • Read burst in terrupt sup ported by another REA D • Write bur st interrupt su pported by another W .
27 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Mana gement (OSPM) to ac hieve the most efficient power m anageme nt poss ible. The RTL8100C(L) does not suppor t CardBus m ode as the RTL8139 C does.
28 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2. Supports PCI c lock 16.75 MHz-40 MH z 3. Supports PCI ta rget fast ba ck-to-back tran saction 4. Provides PCI bus master data tra nsfers and PCI mem o ry space or I/O s p ace m apped data transfers of RTL8100C(L )'s operationa l regist ers 5.
29 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Advance d power sa ving mode w h en L AN function or wak eup function is not used • Uses 9 3 C46 ( 64*16-bit EE PROM) to store resource confi.
30 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Support 2 PW M channels, 2 D-A and 8 A-D converters • Reduce Firm ware burden by Hardware PS/2 d ecoding • Support 72 u seful G PIOs totally • Support Fla sh uti lity for on board re-flas h • Support ACPI • Hardware fast Gate A20 with softw are programm able IDE HDD 1.
31 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Ultra AT A/33/66/100: DM A prot ocol that redefines si gnals on the IDE cable to al low both ho s t an d target throttling of data and tra nsfe.
32 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Keys Com bination Feature Meaning Fn + F 1 Pow er dow n Mini PCI pow er dow n Fn + F 2 Reserve Fn + F 3 Volume Dow n Fn + F 4 Volume Up Fn + F 5 L CD/external CR T sw itching Rota te displa y m od e in LCD only, CRT o nly, and simultaneously disp lay.
33 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.3.2 Power On/Off/Suspen d /Resume Button 1.3.2.1 APM Mode At APM m ode, Power but ton is on/off sy stem pow er. At ACPI m ode. Window s power m anagement c ontrol pane l set power b utton beh avio r.
34 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.3.4 LED In dicators 1.3.4.1 Three LED In dicators at Front Side: From left to right t hat ind i cate BA TTERY POWER, BA TTERY STATUS and A C POWE.
35 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance connecte d , t his in dicator glow s green if the bat tery pack i s fully charged or oran ge (amber) if the battery is being charge d.
36 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance -- Battery Wa rning: C apacity below 10% , Battery Capacity LED flashes , a nd sys t em beeps per 2 seconds.
37 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When A C in or syst em main bat tery inside , CMOS battery will con sume no pow er. AC or m ain battery not e xists, CMOS b attery life at le ss (220mA h/5.8uA) 4 y ears. One Power Supply J ack One External DVI-I Connector For DVI Display Supports fo ur USB port for a ll USB device s.
38 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Im planted H/W current limit and bat tery learning circ uit to enh ance protecti on of battery . 1.
39 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.4 Power Management The 8050 MB sy stem has bui lt in severa l power savin g m odes to prol ong the battery usage for m obile purpose. User can ena b le an d configure different degrees of power managem ent mode s via ROM CM OS se tup (booting by pressing F2 key).
40 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance -- LCD : backligh t off -- H DD: spi n down 1.4.1.4 Suspend to DRAM The most c hipset of the system is entering power d o wn m ode for more power sa ving.
41 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance -- All sy stem stat us will be re stored when pow ered on aga in Im planted H/W current limit and bat tery learning circ uit to enh ance protecti on of battery . 1.4.2 Other P ower Managem ent Functions 1.
42 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.5 Appendix 1: In tel ICH6- M GPIO Defin itions (1) Pin n ame Current Define Power pl ane GPIO 0 PC I_ R E Q6 # I M AIN GPIO 1 M INIP C I_ AC T# I.
43 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Pin n ame Curren t Define Power plane GP IO 2 8 X I/ O R E S U M E GP IO 2 9 P A N E L_ ID 1 I M AI N GP IO 3 0 P A N E L_ ID 2 I M AI N GP IO 3 1 .
44 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.6 Appendix 2: W83L95 0D KBC Pins Definitions (1) Po r t Pi n Func t i o n I mple me nt P0 0-7 KO[0.
45 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Po r t Pi n Func t i o n I mple me nt 0 P W RBT N # 1 K BC_ RI # 2 A C_ P O W ER# 3 B A TT_ V 4 B A TT_ T 5H 8 _ I _ L I M I T 6H 8 _ P R O C H O T.
46 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.7 Appendix 3: 8050QMA Product Spec (1) Item Description CPU Intel ® P enti um® M Proces sor (Dothan) 90nm , 2M L2, 533 MHz FSB Inte l® Celer o.
47 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contin ue to previous page 1.7 Appendix 3: 8050QMA Product Spec (2) Item Description Audi o/AV Funct ion - AC97, s upport S/PDI F output - 5.1 channe l analog output - 2.1 channe l sys tem s peak er.
48 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Item Desc ripti on Com muni cati on PCI 10/100 L AN MDC 56K , V.90 Mode m 802.11 g w irele ss L AN ( Mini PCI o ptional) with bui lt-in A ntenna Pow er S upply 6 ce ll Li -ion (2400m AH /3.7V) B atter y pa ck Battery Life > 3HRs AC adapter Univ ersa l A C ada pter 2 Pin 2.
49 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.1 System View 2.1.1 Front Vi ew 2.1.2 Left-side View 2. System View and Disassembly Line In C.
50 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.1.3 Right-sid e View 2.1.4 Rear Vi ew Lock AC Power Connector USB Ports *2 CD/DVD-ROM Drive Kensingt on Lock .
51 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.1.5 Bottom Vie w 2.1.6 Top-ope n View Hard Disk Drive CPU Battery Park Stereo Speaker Set .
52 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.2 Tools Introduct ion 2mm 2mm Bit Size #0 Screw Size To oling Tor. Bit Size 1. M2.0 Aut o-Screw driver 2.0- 2.5 kg/c m2 # 0 2. Auto screw drive r for notebook a ssembly & dis assem bly. 1. Minu s screw dri ver with bit s ize 2mm for noteboo k assem bly & disas sembly.
53 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3 System Disas sembly The secti on discus ses at le ngth each m ajor compone nt for disass e m bly/reassem bly and sh ow correspond ing illustra tions.U se the c hart below to determine the di sassem bly sequ ence for rem oving com ponents from the note book.
54 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1. Carefull y put the not ebook upsid e down. 2. Slide t he two relea se lever outw ards to the “ unlock” pos ition ( ), while ta ke the b attery pack ou t of the compartment ( ). (Figure 2-1) 1.
55 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.2 Keyboar d 1. Rem ove the battery pack. (Refer to sect ion 2.3.1 Di sassem bly) 2. Open the top c over.
56 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Figure 2- 3 Free the keyboard Reassembly 1. Reco nnect the key board cable and fit t he keyboard back into pla ce. 2. Repl ace the keyboard fasten th e five latches. 3. Repla ce the battery pac k. (Refer to secti on 2.
57 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.3 CPU Figure 2- 4 Remove the seven screws Figure 2-5 Free the heatsink Disasse mbly 1. Rem ove the battery pack. (Refer to sect ion 2.3.1 Di sassem bly) 2. Rem ove the seven screw s fastening the CPU cover.
58 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Reassembly 1. Carefully, align the arrowhead corner of the CPU with the bevele d corner of the socket, then insert CPU pins into the ho les. Tighte n the screw by a flat screwdri ver to lockin g the CPU.
59 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.4 HDD Mo dule Figure 2-8 Remove HDD module Figure 2-7 Remove the HDD compartment cover Disasse mbly 1. Carefull y put the notebook upside do wn. Remove the batt ery pack. (Refer t o section 2.3 .
60 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Rem ove the four screws t o separate t he hard di sk drive from the brack et, remove the hard disk drive. (Figure 2-9) Reassembly 1. Att ach the bracket to hard disk drive and s ecure with fou r screws.
61 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1. Push the CD/DVD-ROM drive into the compartment and secure wi th one screw. 2. Repla ce the battery pac k. (See section 2. 3.1 Reas sem bly) Disasse mbly 1. Carefull y put the not ebook upsid e down.
62 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1. To inst all the DDR , m atch the DDR's n otched part wit h the socke t's projected part and firmly insert the SO- DIMM i nto the s ocket at 20 -deg ree an gle . Then push do wn until th e retaining clips lock th e DDR into posit ion.
63 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.7 Modem Card Figure 2-12 Remove two screws Figure 2-13 Disconnect the cord 1. Reco nnect the cord and fit the m odem card. 2. Faste n the modem card by two screw s. 3. Repla ce the CPU cover by seven screws.
64 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.8 LC D ASSY Figu re 2-14 Remo ve the eigh te en s cr ews and separate the antenna Figure 2-15 Free the top cover Disasse mbly 1. Remove the battery p ack, keyboard, CPU, hard disk driv e, CD/DVD-ROM drive, DDR and modem card .
65 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Rem ove the seven screws an d lift the top shi elding up, t hen free the top shielding. (Figure 2-16) 5.
66 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 6. Rem ove the two sc rews and lift the tw o hinge cover s up, th en free the two hin ge covers. (Figure 2-18) 7. Rem ove the four screws, t hen free the LCD ass embly. (Figure 2-19) Figure 2-18 Free the t w o hinge covers Figure 2-19 Free the LCD assembly 1.
67 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.9 LC D Panel Disasse mbly 1. Rem ove the battery , key board, CPU, hard dis k drive, CD/DV D-ROM drive, D DR, m odem card and LCD assem bly. (Refer to sec tion 2.3. 1, 2.3.2, 2.3.3, 2.3. 4, 2.3.
68 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Reassembly 1. Replace the c able to the LCD panel. 2. Attac h the LCD panel’ s brackets back to LC D panel and sec ure with four screw s. 3. Repl ace the LCD panel i nto LCD ho using and secu re with ten screws.
69 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.10 In verter Board Disasse mbly 1. Rem ove the battery , key board, CPU, hard dis k drive, CD/DV D-ROM drive, D DR, m odem card, LCD assem bly and LCD panel. (Refer t o section 2.3.1, 2. 3.2, 2.
70 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.11 Sy stem Board Figure 2-25 Remove the two screws Figure 2-26 Remove the two screws Disasse mbly 1. Rem ove the battery , key board, CPU, hard dis k drive, CD/DV D-ROM drive, D DR, m odem card and LCD assem bly.
71 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Disconnect the three speakers’ cables from the system board and separate the (R&L ) rear covers.
72 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Reassembly 1. Fit the system board into th e I/O bracket and secure with tw o screws. 2. Repla ce the sy stem board into the housing and secure with four screws. 3. Reconne ct the three speaker s’ cables into the sy stem board and replace the (R&L) rear covers.
73 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.12 Touch Pad 1. Remove the battery p ack, keyboard, CPU, h ard disk d rive, CD/DVD-ROM driv e, DDR and modem card. (See section s 2.3.1, 2.3.2, 2.3. 3, 2.3.4, 2. 3.5, 2. 3.6 and 2.3. 7 Disa ssembly ) 2.
74 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 3. Definition & Location of Conn ectors / Switches 3.1 Mother B oard (Side A ) J8 J2 J1 J3 J5 J4 J7 SW3 SW4 SW2 J1 : Inverter Boar d Connec.
75 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 3. Definition & Location of Conn ectors / Switches 3.2 Mother B oard (Side B) J706 PJ701 J701 J716 J713 J714 J501 J703 J710 J715 J702 J502 J709.
76 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Definition & Location of Major Components 4.1 Mother B oard (Side A ) PU2 PU1 2 U13 U19 U14 PU5 PU6 PU3 U7 U18 PU2 : +3V S /+ 5VS Voltage Generator PU3 : C h arging V oltage Controller PU5 : CPU_Co re Vo ltage Generator PU6 : +1 .
77 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Definition & Location of Major Components 4.2 Mother B oard (Side B) U710 U711 U717 U722 U724 U709 U517 U709 : Intel ICH 6-M South Bridg.
78 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(1) Ho st Interfa ce Signals Signal Na me Ty pe Description HADS# I/ O AGT L+ Host Addres s Strobe: The sys tem bus ow ner asse rts HA DS# to indi cate the firs t o f two cycles of a request p hase.
79 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(2) Host Interface Si g nals (Continu ed) Signal Na me Type De scription HLOCK # I AGTL+ Host L ock: All C PU bus cycles sampled with th e assertion of HL OCK# and HADS# , un ti l t he nega ti on of HLOCK# mu st b e at omi c , i .
80 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(3) DDR / DD R2 SDRAM Channel A I nterface Signal Na me Type Descriptio n SA_DQ[63:0] I/O SSTL 1 .8/2 2x Data Bus: DDR / DDR2 C hann el A data signal in terface to the SDRAM data bus.
81 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(4) DDR / DDR 2 SDRAM Channel B Interface Signal Na me Type Descr iption SB_DQ[63 :0] I/ O SSTL 1. 8/2 2x Dat a L i ne s: DDR / DDR2 Ch annel B da ta sign al interface to the SDRAM dat a bus.
82 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(5) DDR / DD R2 Co mm on S ignal s Sig nal Na me Type Descr iptio n SM_CK [1:0], SM_CK [4:3] O SST L1.
83 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(6) CRT DAC Si gnal s Signal Na me T ype Descri ption RED O A RED An al og Video Outpu t: This signal is a CRT Analog video output from th e internal color pa let te DAC .
84 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(7) LVDS Sign a ls Signal Na me T ype Descr iption LDVS Channel A L ADA TA P[2:0] I/ O LVDS Channe l A diff er ential .
85 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(8) Serial DV O Interface. Signal Na me Ty pe Descriptio n SDVO B I nterface SDV OB_CL KP O PCIE Serial Digital Video B C lo c k. Multiplexed with EXP_TXP_3. SDV OB_CL KN O PCIE Serial Digital Video B C lo c k Comp le ment .
86 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(9) PLL Signals Signal Na me Ty pe Descripti on HCLK P I Diff Clk Differe ntial Host Clock I n: Differential cl ock inpu t for the H ost PLL . Used for phase cancellation for F SB transa ctions.
87 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(10) Power and Ground Interfac e Bal l Nam e Description Host VTT (VCCP) FSB power supply (1.05 V) - (VCC P) V CCA _SM V CCA SM is t he A nalo g pow er su pply f or S M data buf fe rs use d for D L L & othe r lo gic ( 1.
88 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(1) PCI I nterface Signals Name Type Descriptio n AD [31: 0] I/ O PCI Address/Dat a: AD[31:0 ] is a mu ltiplexed address and data bu s. During the first c lock of a transact ion, AD[31:0] contain a physical addr ess (32 bi ts).
89 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(2) PCI I nterface Signals (Continued) Name Type Description PERR# I/O Pari ty Erro r: An ex t ernal PC I device drives PERR# when it re c eives data t hat h as a pari ty e rror.
90 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(3) Serial ATA Interface Signals (Contin ued) Name Type D e scription SATA[3]GP / GPI[31] I Serial ATA 3 Ge neral Purpose: Sam e func tion as S AT A[0]G P, excep t for SATA Port 3.
91 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(4) IDE I nterface Signals Name Type D e scription DCS1# O IDE Device Chip Selects for 100 Ra nge: Fo r AT A c om ma n d register block. This output signal is conn ected to the corresponding signal on the I DE conn ector.
92 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(5) USB Interface S ignals Name Type D e scription USBP[0]P, USBP[0]N, USBP[1]P, USBP[1]N I/ O Universa l Serial Bus Port [1:0] Dif fere ntia l: These differ ent ial pairs are used to transmit Data/Address/Command si gnals for ports 0 and 1.
93 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(6) Power M anagem ent In t erface Signals Name Type Description PWRBTN# I Power Button: The Powe r Button will cause SMI # or SCI to indic ate a system re quest to go to a sleep state.
94 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(7) Processor Interface Signals Name Type Description A20M# O Mask A20: A20M# will go active based on either setting the appr opria te bit in the Por t 92h re giste r, o r based on the A 20GA TE input be ing ac tive .
95 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(8) General Purp o se I/O Signals 1 ,2 Nam e T yp e Toleran ce Power W ell Des cript ion GPO[ 49] OD O V_CPU_ I O `Core This signal is fixed as output only and can instea d be used as C PUPW R GD.
96 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(9) Power and Ground Signals Name Description Vcc3_3 3.3 V su pply for core w ell I /O b uffers (22 pins). This powe r may be shut off in S3, S4, S5 or G 3 states. Vcc1 _5_A 1.
97 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(10) Functional Strap D efinitions 1 Signa l Usage When Sam pled De scription GNT[ 6 ]#/ GPO[ 1 6] Top-Block Sw a p Ove rride Rising Ed ge of PWROK The signal has a w eak internal pull-up.
98 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 6. System B lock Diagram DVI Connector RGB Signal Flat Panel LVDS Signal 200 Pins DDR2 SO-DIMM So cket * 2 USB * 4 FSB U711 Intel CPU Dothan U710 North Bridge 915PM U715 Card B us CB712 U509 Power S witch CP2211A U19 Amplifier TPA0212 J507 M.
99 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7. Maintenance Diagnos tics 7.1 Introduction Each tim e the computer is turne d on, the sy ste m BIOS runs a serie s of internal chec ks on the hardware. This power- on self test (post) allows the computer to detect pr oblems as early as the power-on stage.
100 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7.2 Maintenance Diagn ostics 7.2.1 Diagnosti c Tool for Mini PCI Slot : P/N:41 1906900 001 Descript ion: PWA; P WA-MPDOG/MINI PCI DOGKI LLER CARD .
101 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7.3 Error Codes-1 Following is a list of error codes in seque nt display on the MINI PCI debug board.
102 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7.3 Error Codes-2 Following is a list of error codes in seque nt display on the MINI PCI debug board. Special Init of COMM and LPT Ports 3Fh Update NUMLOCK status 3Eh Search and Init the Mouse 3Dh Initialize the Hardware Vectors 3Ch Test for RTC ticking 3Bh Test if 18.
103 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8. Trouble Shooting 8.1 No Po w er(*1) 8.2 No D isplay(*2 ) 8.3 VGA Co ntroller Tes t Error LCD No Dis play 8.4 External M onitor No Displ ay 8.5 Mem o ry Te st Error 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error 8.
104 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance *1: No Power Defin ition Base on ACPI Spec. W e define the no power as while we press the power button, the system can’t leave S5 status or none the PG signal se nd out from pow er supply.
105 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up.
106 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up.
107 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. Main Voltage Ma p 8.1 No Power-3 PL51 4,PL51 5 PU6 PU507, PL514 +1.05VS_P +VC CP JS508~ JS510 P25 P28 +VCC_GMCH L50 P6 +1.
108 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up.
109 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up.
110 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance +VDD3_AV REF 1 2 3 C332 0.1µ C333 0.1µ D16 BAV 70LT1 77 78 PC19 0.1µ PR29 100K PR510 499K PL505 120Z/ 100M PF701 TR/SF T-10A PL504 120Z/ 100M PC514 0.01µ 1,2 5 PC523 0.01µ +VDD3_AV REF PR134 4.
111 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance U709 South Bridge ICH6-M P 11 ICH_P WRBTN 7 ICH_PWRBTN# R347 0 Q45 FDV 301N RSMRST # 8 H8_RSM RST S D G When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up.
112 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance There is no display on both LCD and VGA m o nitor after power on althou gh the LCD and monitor is k nown-good.
113 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance U13 W83L950D P 23 56 PCICLK_KBC 70 R114 33 U709 South Brid ge ICH6-M P 11 46 8 SMBCLK SMB_CLK PCICLK_ ICH R207 2.
114 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance PLT_RST# 4 5 6 14 7 +3VS FWH_PCI RST# U14 System BIOS P 24 JL20 JP_ NET10 2 U10B 74AHC 08_V GMCH_RST# JL21 JP_ NET10 To No rth Bri dge U710 LAN_ R.
115 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Displa y OK? Replace fa ulty LCD o r monitor. Displa y OK? VGA Co nt r oller Failure LCD No Dis play 1. Con firm LCD pan el or monitor is good and c heck the ca ble are connected prop erly . 2. Tr y another kn own good monitor or L CD module.
116 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance L19 120Z/ 100M +3VS R31 1M F1 2A Q4 AO4419 S D 2 3 1 6 7 8 5 G R28 0 1,2 C10 1µ LVDS_ ENVDD C1 5 0.22µ 8.3 VGA Controller Test Error LCD No Display-2 There is no display or pictur e abnormal on LCD although power-on- self-test is passed.
117 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.4 External Monitor No Display-1 There is no display or pictur e abnormal on CRT monitor, but it is OK for LCD.
118 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.4 External Monitor No Display-2 There is no display or pictur e abnormal on CRT monitor, but it is OK for LCD.
119 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.5 Memory Test Erro r-1 Extend DDRAM is fa ilure or system hangs up. Memory Test Error One of th e follo wing c ompon ents or si gnals o n the mo therbo ard may be de fectiv e ,Us e an oscill oscope to ch eck t he si gnals o r replace the parts one at a tim e and te st af ter each re placement.
120 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.5 Memory Test Erro r-2 Extend DDRAM is fa ilure or system hangs up. R243,R2 63…. 56 +0.9VS SMBDATA SMBCLK J713 P 8 DDR SODIMM +DDR2_VREF R606 75 +1.8V R242 75 C304 0.1µ C604 2.2µ C295 2.2µ S[A.
121 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-1 Error m essage of k e yboard or touch-pad failure is sh own or any k ey does not work. Keybo ard or Touch -Pad Test Error Try another know n good K e y board or Touc h-pad.
122 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance C330 22P 28 29 C326 22P X2 8MHZ R328 1M T_CLK T_DAT A 6 9 L47 130 Z/100 M 11,12 9,10 TP_CLK TP_DAT A U709 South Brid ge ICH6-M +VDD3 71 U13 Keyboard BIOS W83L950D 8.
123 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Hard Disk Dr iv e Test Error One of the fol lowing par ts or sig nals on the mothe rboard m ay be d efecti ve, use an os cilloscop e to check the si gnals or r eplace the par ts one at a tim e and te st after eac h replacem ent.
124 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance +1.8VS_HDD 41,56 C126 12P 23 22 C125 12P X4 25MHZ R225 1M +5VS R422 0 D26 CL-190G R439 470 SATA_TXP SATA_TXN SATA_RXP SATA_RXN C582 3900P C580 3900P C577 3900P C575 3900P SATA_TXP0 SATA_T XN0 SATA_RXP0 SATA_R XN0 27 28 32 31 DDRQ 24 60 DIOR DY 18 55 DIRQ 14 53 DD[ 0.
125 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.8 CD-ROM Drive Test Error-1 An error mes sage is show n when re ading data from CD-ROM drive. CD-ROM D river Test Error One o f the foll owin g .
126 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.8 CD-ROM Drive Test Error-2 An error mes sage is show n when re ading data from CD-ROM drive. J710 P 14 CD-ROM Connector R441 470 D27 CL-190G CD_LE D# +5VS +3VS R558 4.7K 5 37 6~21 38~42 31 29 28 27 25 22 24 35 36 34 33 +5VS C198 10µ C209 0.
127 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.9 USB Test Error-1 An error occu r s when a USB I/O device is inst alled. Re-test OK? Test OK? USB Test Error Check if th e USB devic e is installed prope rly .
128 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.9 USB Test Error-2 An error occu r s when a USB I/O device is inst alled. U709 South Brid ge ICH6-M P 11 U501 RT9701-CB P 14 USB Port J701 2 3 L.
129 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.10 Audio Test Error-1 No sound from speak er after audio driver is installed. Re-test OK? Test OK? Audio Fail ure 1. Check if speake r cables a re conn ected prope rly. 2. Ma ke sur e all t he dri vers are install ed prope rly.
130 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance AGND R406 6.8K R419 6.8K 8.10 Audio Test Error-2 ( Audio In) U517 Audio Codec ALC655 U709 South Brid ge ICH6-M U715 PC14510GHK C335 1µ C339 0.1µ SBSPKR R336 10K CARDSPK 12 PC _BEEP SPK_OFF To ne xt page 1 2 4 +VA DVDD1, 2 AVDD1, 2 25,38 P 21 P 18 R337 47K R338 47K +VA L71 120Z/ 100M C755 0.
131 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.10 Audio Test Error-3 ( Audio Out) U19 Audio Amplifier TPA0212 R343 1K C345 100P R380 1K C365 100P C354 100µ R379 22 P 22 J7 21 16 ROUT+ ROUT- .
132 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.11 LAN Test Error-1 An error occu r s w hen a LAN device is installed. LAN Test Error Yes No Test OK? No Check if BI OS setup is ok.
133 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance PCI_A D[0..31] 33… PCI_AD2 0 46 ICH_P ME# 31 PCI_C/BE[0..3] 44… PCLKRUN# 65 PCI_DEVSEL# 68 PCI_FRA ME# 61 PCI_G NT3# 29 PCI_RE Q3 # 30 PCI_IN .
134 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Re-test OK? Test OK? PC Card Socket Fa ilure 1. Che ck if the PC Card de vice is installe d prop erly . 2. Conf irm PC Ca rd driver is inst alled o k. Yes No Yes No Chan ge the fault y pa rt then end .
135 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance PCI_C/BE#[0..3] PCI_PAR, PCI_ STOP# PCI_S ERR#, PC I_PERR# PCI_A D[0..31] PCI_T RDY#, PC I_IRDY# PCI_DEVSEL# PCLKRUN# PCI_G NT0# , PCI_REQ 0# IDSEL PCI_FRA ME# R240 43.2 R2_D2, R2_D14, R 2_A 18 CAUDIO , CSTS CHG 8.
Reference Material Intel Pentium-M Processor Intel, INC Intel 915PM North Bridge Data Sheet Intel, INC Intel ICH6 South Bridge Data Sheet Intel, INC System Explode View Technology.Corp./MiTAC 8050QMA Hardware Engineering Specification Technology.
SERVICE MANUAL FOR 8050QMA Sponsoring Editor : Jesse Jan Author : ZX.Xiao Assistant Editor : Ping Xie Publisher : MiTAC International Corp. Address : 1, R&D Road 2, Hsinchu Science-Based Industrial, Hsinchu, Taiwan, R.O.C. Tel : 886-3-5779250 Fax : 886-3-5781245 First Edition : Jun.
An important point after buying a device MiTAC 8050QMA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of MiTAC 8050QMA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime MiTAC 8050QMA.
However, one of the most important roles played by the user manual is to help in solving problems with MiTAC 8050QMA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device MiTAC 8050QMA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
