Digital Equipment DIGITAL Server 7100 1200, Service Maintenance Manual, Page: 157 / 162

Device Mapping
7-3
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L
S
erve
r
31
00
/3
20
0
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er7
10
0
I/O Address Map
Range
(hexadecimal)
Function
060 to 064 Keyboard/mouse controller
0F0 to 0FF Math co-processor
1F0 to 1F7 IDE controller (if enabled)
278 to 27F LPT2 (if enabled)
2E8 COM4 (if enabled)
2F8 COM2 (if enabled)
378 to 37F LPT1 (if enabled)
3BC to 3BE LPT3 (if enabled)
3E8 COM3 (if enabled)
3F0 to 3F7 Diskette controller (if enabled)
3F8 COM1 (if enabled)
Server Interrupt Levels
Interrupt Number Interrupt Source
IRQ1 Keyboard controller
IRQ3 COM2, COM4 (if enabled)
IRQ4 COM1, COM3 (if enabled)
IRQ6 Diskette controller (if enabled)
IRQ7 LPT1, LPT2, LPT3 (if enabled)
IRQ12 Mouse interrupt
IRQ13 Math co-processor