ICP Electronics JUKI-6752, Manual

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35
B.2 DMA channel assignments
Channel
Function
0 Available
1
Audio*
2
Floppy disk (8-bit transfer)
3
Parallel**
4 Cascade for DMA controller 1
5
Audio*
6
Available
7
Available
**
parallel port DMA default setting: DMA 3
parallel port DMA select: DMA 1.3
36
B.3 Interrupt assignments
Interrupt # Interrupt source
NMI Parity error detected
IRQ 0 System timer
IRQ 1 Keyboard
IRQ 2 Interrupt from controller 2 (cascade)
IRQ 8 Real-time clock
IRQ 9 Available
IRQ 10 Available
IRQ 11 Available
IRQ 12 PS/2 mouse
IRQ 13 Numeric data processor
IRQ 14 Fixed disk controller
IRQ 15 USB controller
IRQ 3 Available
IRQ 4 Serial communication port 1
IRQ 5 Audio*
IRQ 6 Diskette controller (FDC)
IRQ 7 Parallel port 1 (print port)
* Audio default setting: IRQ5
Ethernet IRQ is automatic set by the system
B.4 1
st
MB memory map
Address Description
F000h-FFFFh System ROM
D800h-EFFFh Unused
D000h-D7FFh Unused
C000h-C9FFh Expansion ROM*
B800h-BFFFh
CGA/EGA/VGA text
B000h-B7FFh Unused
A000h-AFFFh EGA/VGA graphics
0000h-9FFFh Base memory
* Default setting