I/O Port Addresses; Hardware Interrupts; Dma Channels - Epson Equity Ie Product Information Manual

I/O Port Addresses

Interrupt Controllrr
Timer / Cwntsr
I/O Ports
OSO-OSF
lnterrupt Controller Extsnsion
OBO-OBF
Parallel Port
3FS - 3FF
l
Writs hex. SO to I/O address hex. A0 (snabls NM)
Write hex. 00 to l/O addrsss hex. A0 (snabla NM)
I/O Address hex Ooo to OFF are rssarved for the

DMA Channels

0
1 Spare
2 FDD Controller
3 HDD Controller
Equity Series Computers

Hardware Interrupts

Number
4/3/89
EQUITY le
Timer Output
Hard Disk
floppy Disk
Parallel Port
EQle - 3