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Digital CELEBRIS Pentium PC
Device Mapping
MCS Logistics Engineering - Nijmegen
79
Computer Interrupt Levels
Interrupt Number
Interrupt Source
IRQ0
Timer tick
IRQ1
Keyboard controller
IRQ2
Cascade interrupt
IRQ3
COM2, COM4 (if enabled)
IRQ4
COM1, COM3 (if enabled)
IRQ5
LPT2
IRQ6
Diskette drive (if enabled)
IRQ7
LPT1, LPT3 (if enabled)
IRQ8
RTC
IRQ9-IRQ11
Reserved
IRQ12
Mouse interrupt (if enabled)
IRQ13
Math co-processor
IRQ14
IDE primary (if enabled)
IRQ15
IDE secondary (if enabled)
DMA Channel Assignment
Channel
Controller
Function
0
1
Refresh
1
1
Not used
2
1
Diskette controller (if enabled)
3
1
Not used
4
2
Cascade DMA
5
2
Not used
6
2
Not used
7
2
Not used
PCI Configure Space Address Map
Device Number (hex)
Function
00
CPU bridge
01
ISA bridge
08
Onboard PCI IDE
09
Onboard PCI VGA
0B
PCI slot 1
0C
PCI slot 2
Содержание CELEBRIS 5100
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