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MiTAC
8050QMA
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138 pages, 17.35 Mb
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80
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50QMA
50QMA
N/B Maintenance
N/B Maintenance
2.1.3 Right-side View
2.1.4 Rear View
Lock
AC Power Connector
USB Ports *2
CD/DVD-ROM Drive
Kensington Lock
MiTac Secret
Confidential Document
Contents
Main
Contents
1. Hardware Engineering Specification
2. System View and Disassembly ...
3. Definition & Location of Connectors / Switches ..
4. Definition & Location of Major Components ..
Contents
5. Pin Description of Major Component ..
8. Trouble Shooting .
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8050QMA
1.2 System Hardware Parts
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1.2.3 The Mobile Intel 915PM Express Chipset
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1.2.4 I/O Controller Hub : Intel ICH6-M
1.2.5 CardBus: CB712
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1.2.6 AC97 Audio System: Advance Logic, Inc, ALC655
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1.2.7 MDC: Pctel Modem Daughter Card PCT2303W (Askey V1456VQL-P1)
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1.2.8 IEEE1394 VT6301S
1.2.9 System Flash Memory (BIOS)
1.2.10 Memory System
1.2.10.1 256MB, 512MB, 1GB (x64) 200-Pin DDR2 SDRAM SODIMMs
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1.2.11 LAN PHY: RTL8100C(L)
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1.2.12 Keyboard System: Winbond W83L950D
1.2.13 Hard Disk Drive
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1.5 Appendix 1: Intel ICH6-M GPIO Definitions (1)
Pin name Current Define Power plane
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1.6 Appendix 2: W83L950D KBC Pins Definitions (1)
Port Pin Function Impleme nt
Port Pin Function Impleme nt
1.6 Appendix 2: W83L950D KBC Pins Definitions (2)
1.7 Appendix 3: 8050QMA Product Spec (1)
Item Description
- DVD Dual - DVD Super Multi drive
1.7 Appendix 3: 8050QMA Product Spec (2)
Item Description
- Build in microphone
Video
1.7 Appendix 3: 8050QMA Product Spec (3)
50QMA N/B Maintenance
2.1.2 Left-side View
2.1 System View
2.1.1 Front View
2. System View and Disassembly
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2.1.5 Bottom View
2.1.6 Top-open View
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2.3 System Disassembly
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MiTac Secret Confidential Document
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3. Definition & Location of Connectors / Switches
3.1 Mother Board (Side A)
3. Definition & Location of Connectors / Switches
3.2 Mother Board (Side B)
4. Definition & Location of Major Components
4.1 Mother Board (Side A)
4. Definition & Location of Major Components
4.2 Mother Board (Side B)
U517 : Audio CODEC(ALC655)
5.1 Intel 915PM North Bridge(1)
Host Interface Signals
5. Pin Descriptions of Major Components
80
8050QMA
5.1 Intel 915PM North Bridge(2)
Host Interface Signals (Continued)
Host Interface Reference and Compensation
5.1 Intel 915PM North Bridge(3)
DDR / DDR2 SDRAM Channel A Interface
DDR / DDR2 SDRAM Channel A Interface (Continued)
PCI Express Based Graphics Interface Signals
5.1 Intel 915PM North Bridge(4)
DDR / DDR2 SDRAM Channel B Interface
DDR / DDR2 SDRAM Channel B Interface (Continued)
DMI
5.1 Intel 915PM North Bridge(5)
DDR / DDR2 Common Signals
DDR / DDR2 Common Signals (Continued)
5.1 Intel 915PM North Bridge(6)
CRT DAC Signals
Analog TV-out Signals
5.1 Intel 915PM North Bridge(7)
LVDS Signals
DDR SDRAM Reference and Compensation
Display Data Channel (DDC) and GMBUS Support
5.1 Intel 915PM North Bridge(8)
Serial DVO Interface.
Serial DVO Interface (Continued)
5.1 Intel 915PM North Bridge(9)
PLL Signals
Note:
Reset and Miscellaneous Signals
5.1 Intel 915PM North Bridge(10)
Power and Ground
Power and Ground (Continued)
5.2 Intel ICH6-M South Bridge(1)
PCI Interface Signals
PCI Interface Signals (Continued)
5.2 Intel ICH6-M South Bridge(2)
PCI Interface Signals (Continued)
Serial ATA Interface Signals
5.2 Intel ICH6-M South Bridge(3)
Serial ATA Interface Signals (Continued)
LAN Connect Interface Signals
Other Clocks
Interrupt Signals
5.2 Intel ICH6-M South Bridge(4)
IDE Interface Signals
IDE Interface Signals (Continued)
System Management Interface Signals
SM Bus Interface Signals
5.2 Intel ICH6-M South Bridge(5)
USB Interface Signals
Miscellaneous Sign als
EEPROM Interface Signals
5.2 Intel ICH6-M South Bridge(6)
Power Management Interface Signals
Power Management Interface Signals (Continued)
5.2 Intel ICH6-M South Bridge(7)
Processor Interface Signals
Processor Interface Signals (Continued)
5.2 Intel ICH6-M South Bridge(8)
General Purpose I/O Signals 1,2
General Purpose I/O Signals 1,2 (Continued)
5.2 Intel ICH6-M South Bridge(9)
Power and Ground Signals
AC 97/Intel High Definition Audio Link Signals
Firmware Hub Interface Signals
Name Type Description FWH[3:0] / LAD[3:0]
5.2 Intel ICH6-M South Bridge(10)
Functional Strap Definitions 1
Functional Strap Definitions 1 (Continued)
Real Time Clock Interface
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6. System Block Diagram
FSB
U711 Intel CPU Dothan U710 North Bridge 915PM
U715 Card Bus CB712
U709 South Bridge ICH6-M
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7.3 Error Codes-1
Following is a list of error codes in sequent display on the MINI PCI debug board.
7.3 Error Codes-2
Following is a list of error codes in sequent display on the MINI PCI debug board.
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*1: No Power Definition
*2: No Display Definition
Keyword:
8.1 No Power-1
106
Main Voltage Map
PJ701
8.1 No Power-2
J703
Main Voltage Map
107
8.1 No Power-3
NOTE :
8.1 No Power-4
+PWR_VDDIN
+VDD3
PJ701 POWER IN
+PWR_VDDIN
8.1 No Power-5
BATT
110
Discharge
Battery Connector
8.1 No Power-6
+VDD3S
Power Controller
111
South Bridge
8.1 No Power-7
AO4419
PU12 SC486
PU2 LTC3728L
U21 IMP811
8.2 No Display-1
****** System Clock Check ******
113
+VDD3S
SST49LF004A
8.2 No Display-2
U711 CPU DOTHAN
P
U7 Clock Generator ICS954226
P
8.2 No Display-3
South Bridge
P
U711 CPU Dothan
U20 MAX809
8.3 VGA Controller Test Error LCD No Display-1
There is no display or picture abnormal on LCD although power-on-self-test is passed.
116
8.3 VGA Controller Test Error LCD No Display-2
MXM_Connector
+DVMAIN
+VDD3S
Inverter
8.4 External Monitor No Display-1
There is no display or picture abnormal on CRT monitor, but it is OK for LCD.
118
8.4 External Monitor No Display-2
External DVIConnector
There is no display or picture abnormal on CRT monitor, but it is OK for LCD.
J702
U2 SN74LVC2G125
8.5 Memory Test Error-1
Extend DDRAM is failure or system hangs up.
120
8.5 Memory Test Error-2
Extend DDRAM is failure or system hangs up.
+0.9VS
J713
DDR SODIMM +DDR2_VREF
8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-1
Error message of keyboard or touch-pad failure is shown or any key does not work.
122
+VDD3
Touch-Pad
8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-2
Error message of keyboard or touch-pad failure is shown or any key does not work.
SYSTEM
J5
+KBC_CPUCORE
8.7 Hard Disk Drive Test Error-1
124
+1.8VS_HDD
8.7 Hard Disk Drive Test Error-2
J715
PATA HDD Connector
U724 88SA8040
+5VS_HDD
8.8 CD-ROM Drive Test Error-1
An error message is shown when reading data from CD-ROM drive.
8.8 CD-ROM Drive Test Error-2
An error message is shown when reading data from CD-ROM drive.
+5VS_CDROM
CD-ROM Connector
8.9 USB Test Error-1
An error occurs when a USB I/O device is installed.
128
8.9 USB Test Error-2
USB Port
An error occurs when a USB I/O device is installed.
U501 RT9701-CB
J701
8.10 Audio Test Error-1
130
8.10 Audio Test Error-2 (Audio In)
External MIC
Line In Jack
PC14510GHK
U517 Audio Codec ALC655
8.10 Audio Test Error-3 (Audio Out)
LINE OUT
J509
U19 Audio Amplifier TPA0212
J7
8.11 LAN Test Error-1
An error occurs when a LAN device is installed.
133
P15 P15
U507 NS692408
8.11 LAN Test Error-2
An error occurs when a LAN device is installed.
LAN Controller RTL8100CL
U511 93C46
+AVDDL +AVDDH +DVDD
8.12 PC Card Socket Test Error-1
An error occurs when a PC card device is installed.
135
8.12 PC Card Socket Test Error-2
CARD_VCC
P
Card Bus Socket
An error occurs when a PC card device is installed.
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SERVICE MANUAL FOR 8050QMA