ST5000 Interrupt Vector Assignments

Change Log
Version Date Comments
1.0 - Initial Release
1.1 13-Jan-2008 Fix 0x3e8 (was 0x338) port addr

ST5000 Interrupt Vector Assignments (Mark II & IID)

Interrupt Vector Port Source Name Comment
0
ACC Chipset - CMV6486 Timer 0 1024 Hz
1
ACC Chipset - CMV6486 Keyboard
2
ACC Chipset - CMV6486 Cascade of IRQ 8-15
3 0x2f8 ACC Chipset - CMV6486 COM2 Serial 2
4 0x3f8 ACC Chipset - CMV6486 COM1 Serial 1
5
ACC Chipset - CMV6486 LPT1 Parallel/Printer Port
6
XT Bus - Floppy Floppy?
7 0x3e8,0x2e8,0x280,0x288 XT Bus - CM313 COM3-6 RS422 ports
8
ACC Chipset - CMV6486 Real Time Clock
9
Mapped to IRQ 2 on XT Bus Available Ethernet?
10 0x102 AT Bus - ST5000 Image Stored RAM has been filled
11 0x106 AT Bus - ST5000 Vertical Sync 30 Hz
12
ACC Chipset - CMV6486 Not Available
14
AT Bus IDE Hard Disk
15 0x10c AT Bus - ST5000 Get Out of Town Precedes the Readout by 1 field time, or 15 ms.