Specifications

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