I/O Map - Xycom XVME-653 Manual

XVME-653/658 Manual

I/O Map

Reference the Intel HX PCI chip set data book for detailed information.
Serial and parallel port addresses are controlled in the BIOS Setup Menu
and they may be changed or disabled. Changing the setting will change
the I/O location. Therefore, these addresses may be used for some appli-
cations and not for others.
4-2
Table 4-2 XVME-653/658 I/O Map
Address Range
000-01F DMA controller 1, 8237A-5 equivalent
020-021 Interrupt controller 1, 8259 equivalent
022-023 Available
025-02F Interrupt controller 1, 8259 equivalent*
040-05F Timer, 8254-2 equivalent
060-06F Keyboard, 8742 equivalent
070-07F Real-time clock, bit 7 NMI mask*
080-091 DMA page register*
93-9F DMA page register*
0A0-0BF Interrupt controller 2, 8259 equivalent*
0C0-0DF DMA controller 2, 8237A-5 equivalent*
0F0-0FF Numeric Data Processor
100 Available
101-1EF Available
1F0-1F7 IDE controller (AT drive)
1F8-217 Available
218 XA TEMP/ABORT port
219 XA LED/BIOS port
220-232 Available
233 XA Watchdog timer port
234 XA NVRAM and DiskOnChip port
280-2F7 Available
2F8-2FF Serial port 2**
378-37F Parallel port 1**
3E0-3EF Available
3F0-3F7 Primary floppy disk controller
3F8-3FF Serial port 1**
Device
*Note
**Note