I/O Map; Table 3: I/O Map - VersaLogic Fox VL-EPM-19 Programmer's Reference Manual

I/O Map

I/O Address Range
0000h – 000Fh
0020h – 0021h
0022h – 0023h
002Eh – 002Fh
0040h – 0043h
0048h – 004Bh
004Eh – 004Fh
0060h
0061h
0062h – 0063h
0064h
0065h
0066h
0067h
0068h – 006Dh
0070h – 0071h
0072h – 0075h
0078h – 007Ch
0080h – 008Fh
0092h
0098h – 009Ch
00A0h – 00A1h
00C0h – 00DFh
00E0h – 00EFh
0170h – 0177h
01F0h – 01F7h
02E8h – 02EFh
02F8h – 02FFh
0376h
03E8h – 03EFh
03F6h
03F8h – 03FFh
0480h – 048Fh
0490h – 0499h
04D0h – 04D1h
0CF8h – 0CFFh
DE00h – DEFFh
FC00h – FC05h
FC08h – FC0Dh
EPM-19 Programmer's Reference Manual

Table 3: I/O Map

Device/Owner
DMA 8237-1
8259-1 programmable interrupt controller
Indirect access registers (6117D configuration port)
Forward to LPC bus
8254 timer/counter
8254 counter (Reserved)
Forward to LPC bus
Keyboard/Mouse data port
Port B + NMI control port
8051 download 4K address counter
Keyboard/mouse command/status port
Watchdog0 reload counter
8051 download 8-bit data port
Watchdog1 reload counter
Watchdog1 control counter
CMOS RAM port
MTBF control register
GPIO port 0/1/2/3/4 default setup
DMA page register
System control register
GPIO direction control
8259-2 programmable interrupt controller
DMA 8237-2
DOS 4G page access
IDE1 (IRQ15)
IDE0 (IRQ14)
COM4 (IRQ11)
COM2 (IRQ10)
IDE1 ATAPI device control write only register
COM3 (IRQ3)
IDE0 ATAPI device control write only register
COM1 (IRQ4)
DMA high page register
Instruction counter register
8259 Edge/level control register
PCI configuration port
On-board LAN
SPI Flash BIOS control register
External SPI bus control register
System Resources and Maps
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