Acer Travelmate 7100 Service Guide

1-18Service Guide1.5.2 Media BoardCN2
CN1CN4CN5CN6
CN2Lid switch
CN1LCD connectorCN6Touchpad connector
CN4, CN5Keyboard connector
Figure 1-11Media Board Jumpers and Connectors (Top Side)CN9CN7
CN8
CN7, CN8Mainboard connectorCN9PCMCIA socket connector
Figure 1-12Media Board Jumpers and Connectors (Bottom Side) 

System Introduction1-191.6 System Configurations and Specifications
1.6.1 System Memory Map
Table 1-8System Memory MapAddress RangeDefinitionFunction000000 -09FFFF640 KB memoryBase memory0A0000 -0BFFFF128 KB video RAMReserved for graphics display buffer0C0000 -0CBFFFVideo BIOSVideo BIOS0CC000 -0CDFFF
0CE000 -0CFFFFSystem CardBus
Mini dock CardBus0F0000 -0FFFFF64 KB system BIOSSystem BIOS010000 -07FFFF
080000 -027FFFExtended memoryOnboard memory
SIMM memoryFE0000 -FFFFFF256 KB system ROMDuplicate of code...

1-20Service GuideTable 1-10I/O Address MapAddress RangeDevice060 -06E
070 -071
080 -08F
0A0 -0A1
0C0 -0DF
1F0 -1F7
3F6 -3F7
170 -177
376 -377
220 -22F
240 -24F
260 -26F
280 -28F
278 -27F
2E8 -2EF
2F8 -2FF
300 -301
310 -311
320 -321
330 -321
378 -37F
388 -38B
3BC -3BE
3B4, 3B5, 3BA
3C0 -3C5
3C6 -3C9
3C0 -3CF
3D0 -3DF
3E8 -3EF
3F0 -3F7
3F8 -3FF
CF8 -CFFKeyboard controller chip select
Real-time clock and NMI mask
DMA page register
Interrupt controller-2
DMA controller-2
Hard disk select
Hard disk select...

System Introduction1-211.6.5 GPIO Port Definition Map
Table 1-12GPIO Port Definition Map IGPIO/SignalPin #I/ODescriptionGPIO Pin Assignment: PIIX4SUSA# (PX3_SUSA#)W20O0: Power down clock generatorGPO0 (PX3_DOCKRST#)G4O0 : Enable docking resetGPO1 (PX3_HDPON)Y15O1: Turn on HDD powerGPO2 (PX3_ CD/FDPON)T14O1: Turn on CD/FDD powerGPO3 (PX3_ HDRST#)W14O0: Reset HDD interfaceGPO4 (PX3_CDRST#)U13O0: Reset CD interfaceGPO5 (PX3_3MODE)V13O0: 3 mode driveGPO6 (PX3_SMBSEL0)Y13OSelect one of three SM busesGPO7...

1-22Service GuideTable 1-12GPIO Port Definition Map IGPIO/SignalPin #I/ODescriptionGPI1 (DK3_DOCKIRQ#)P19O0: Detect Docking IRQGPI2/REQA#  (PX3_OEM0)M1OOEM detectionGPI3/REQB#  (SM5_BAYSW)N2ODetect FDD/CD bay   1: installed, 0: not installedGPI4/REQC# (CF5_FDD/CD#)P3ODetect FDD or CD installed   1: FDD, 0: CDGPI5/APICREQ#K18ONCGPI6/IRQ8# (RT3_IRQ8#)Y20O0: RTC wakeGPI7/SERIRQ (PM3_IRQSER)J19OSerial IRQGPI8/THRM# (SM5_OVTMP#)H19O0: Enable over temperature of  CPU or systemGPI9/BATLOW# (PX3_OEM1)U19IOEM...

System Introduction1-23Table 1-13GPIO Port Definition Map IIGPIOI/ODescriptionP1.7 (IS5_IRQ12)OIRQ12P2.0 (KB5_MEMB0A0)IAddress 0 of memory bank 0P2.1 (KB5_MEMB0A1)IAddress 1 of memory bank 0P2.2 (KB5_MODE)IDetect KBD mode (1:US/EC 0:Japan)P2.3INCP2.4 (KB5_MEMB1A0)IAddress 0 of memory bank 1P2.5 (KB5_PSWD)IEnable PasswordP2.6 (KB5_MEMB1A1)IAddress 1 of memory bank 1P2.7 (PX3_OEM0)IAddress 1 of memory bank 1P3.0 (SM5_TXD)IReceiving data from SMC to KBCP3.1 (SM5_RXD)OTransmitting data from KBC to SMCP3.2...

1-24Service GuideTable 1-13GPIO Port Definition Map IIGPIOI/ODescriptionP2.0INCP2.1ONCP2.2 (SM5_BAYSW)IDetect FDD/CD bay installed or notP2.3ONCP2.4ONCP2.5ONCP2.6ONCP2.7ONCP3.0 (SM5_RXD)IReceiving data from KBC to SMCP3.1 (SM5_TXD)OTransmitting data from SMC to KBCP3.2 (SM5_DOCKSW)IDock switch senseP3.3 (CF5_DOCKED)IDetect completely docked or notP3.4 (SM5_LIDSW)ILid switch senseP3.5 (SM5_OVTMP#)OCPU or system over temperatureP3.6ONCP3.7 (SM5_ON_RES_SW)OON/RESUME switch for Japan versionP4.0...

System Introduction1-25DeviceDevice IDAssignmentMTXC North Bridge0AD11PIIX4 ISA Bridge1AD18 (Function 0)PIIX4 IDE controller1AD18 (Function 1)PIIX4 USB controller1AD18 (Function 2)PIIX4 PM/SMBUS controller1AD18 (Function 3)PCI VGA(NM2160)2AD13PCI Cardbus controllerAAD21PCI Ethernet (Am79C970A) (ACER Dock
III)CAD23PCI CardBus (TI 1131) (ACER Dock V)CAD231.6.7 Power Management
Power Management in this design is aimed toward the conservation of power on the device and
system level when the devices or system...

1-26Service Guide1.6.7.1 PMU Timers
There are several  devices related timers available on the V1-LS chip.  Each timer may have zero
or more devices assigned to the timer for the purpose of retriggering the timer.
Table 1-15PMU Timers ListItemDescriptionsVideo timerTimer value30sec, 1min, 1.5min, 2min, 2.5min, 3min, 3.5min, 4min, 4.5min, 5min, 6min, 7min,
8min, 9min, 10min, 15min, 20min, 30min(if AC plugged-in)System activities
and timer
retriggersSystem activities
- The video display (CRT and LCD) is in...

System Introduction1-27Table 1-15PMU Timers ListItemDescriptionsSystem activities
and timer
retriggersSystem activities
- Power off either or both FDD and CD-ROM. Tri-state FDD and CD-ROM
interfaces and stop IDE controller clock.
Timer retriggers
- The I/O access to 3F2, 3F4, 3F5(FDD), 3F7, 376(CD ROM) will retrigger the
timer.Detective hardware
change1.  The PX3_FDDBEN signal on pin-M3 of U21(PIIX4) is from L to H.  CD-ROM
buffer is disabled.
2.  The pin-T14(PX3_CD/FDPON) of U21(PIIX4) is from H to L,...