
PC/104 CPU Module PFM-535S
Appendix B I/O Information B-3
0092h System control register
0093h - 0097h Empty
0098h - 009Ch GPIO direction control
00A0h - 00A1h PIC 8259-2
00A2h - 00BFh Empty
00C0h - 00DFh DMA 8237-2
00E0h - 00FFh Empty
0100h - 0101h GPCS1 default setting address
0170h - 0177h IDE1 (IRQ 15)
01F0h - 01F7h IDE0 (IRQ 14)
0278h - 027Fh Printer port (IRQ 7, DMA 0)
02E8h - 02EFh COM4 (IRQ 11)
02F8h - 02FFh COM2 (IRQ 3)
0376h IDE1 ATAPI device control write only register
03E8h - 03Efh COM3 (IRQ 10)
03F0h - 03F7h Floppy Disk (IRQ 6, DMA 2)
03F6h IDE0 ATAPI device control write only register
03F8h - 03FFh COM1 (IRQ 4)
0480h - 048Fh DMA High page register
0490h - 0499h Instruction counter register
04D0h - 04D1h 8259 Edge,/ level control register
0CF8h - 0CFFh PCI configuration port
D400h - D4FFh on board LAN
FC00h - FC05h SPI Flash BIOS control register
FC08h - FC0Dh
External SPI BUS control register ( output pin
configurable GPIO3[0-3] )
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