4
TravelMate 310 Service Guide
DMA channel default assignment
Channel
Default setting
mode
DRQ/DACK0
Yamaha sound system
audio
8-bit
DRQ/DACK1
ECP
8-bit
DRQ/DACK2
Floppy
8-bit
DRQ/DACK3
Fast Infrared (COM2)
8-bit
DRQ/DACK4
DMA controller
16-bit
DRQ/DACk7
Yamaha Sound system
audio
16-bit
I/O address map
Address
Device
000-00F
DMA controller-1
020-021
Interrupt controller-1
040-043
System timer
060-060
Keyboard
061-061
System speaker
064-064
Keyboard
070-071
Real-time clock and NMI mask
080-08F
DMA page register
0A0-0A1
Interrupt controller-2
0C0-0DF
DMA controller-2
0F0-0FF
Math coprocessor
108-10F
Modem
120-13F
USB HOST controller
160-167
IDE/ESDI CD-ROM
16E-16F
IDE/ESDI CD-ROM
1F0-1F7
PCI IDE controller
220-22F
Audio (option)
2F8-2FF
IR serial port (COM2)
330-331
Audio (option)
370-371
Audio (option)
378-37F
ECP printer port (LPT1)
388-38F
Audio (option)
3B0-3BB
VGA
3C0-3DF
VGA
3E8-3EF
Modem
Summary of Contents for TravelMate 310
Page 6: ...VI Appendix C Online Support Information 111 Index 113 Table of Contents ...
Page 24: ...18 TravelMate 310 Service Guide ...
Page 61: ...Chapter 3 55 7 Disconnect the modem board 8 Remove the system board from the upper case ...
Page 62: ...56 TravelMate 310 Service Guide ...
Page 80: ...74 TravelMate 310 Service Guide ...
Page 82: ...76 TravelMate 310 Service Guide ...
Page 94: ...88 EXTENSA 700 710 Service Guide ...
Page 120: ...114 Index T Time setting in Setup Utility 21 U Utility BIOS Setup 20 ...