Advantech GMB-910, User Manual

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GMB-910 User Manual 70
B.14 DMA Channel Assignments
B.15 Interrupt Assignments
B.16 1st MB Memory Map
Table B.15: DMA Channel Assignments
Channel Function
0 Available
1 Available
2 Floppy disk (8-bit transfer)
3 Available
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available
Table B.16: Interrupt Assignments
Priority Interrupt# Interrupt Source
1 NMI Parity error detected
2 IRQ0 Interval timer
3 IRQ1 Keyboard
- IRQ2 Interrupt from controller 2 (cascade)
4 IRQ8 Real-time clock
5 IRQ9 Cascaded to INT 0A (IRQ 2)
6 IRQ10 Serial communication port 3, 5 (sharing)
7 IRQ11 Serial communication port 4, 6 (sharing)
8 IRQ12 PS/2 mouse
9 IRQ13 INT from co-processor
10 IRQ14 Primary IDE Channel
12 IRQ3 Serial communication port 2
13 IRQ4 Serial communication port 1
14 IRQ5 Release
15 IRQ6 Diskette controller (FDC)
16 IRQ7 Release
Table B.17: 1st MB Memory Map
Addr. range (Hex) Device
E0000h - FFFFFh BIOS
CC000h - DFFFFh Unused
C0000h - CBFFFh VGA BIOS
A0000h - BFFFFh Video Memory
00000h - 9FFFFh Base memory