COMPUTER MODULES, INC.

PCRTC

Card Type

Clock/calendar card

Chipset

National Semiconductor

Data Bus

8-bit ISA

BASE I/O ADDRESS

Setting

SW1/1

SW1/2

SW1/3

SW1/4

200h

Off

Off

Off

Off

220h

On

Off

Off

Off

240h

Off

On

Off

Off

260h

On

On

Off

Off

280h

Off

Off

On

Off

2A0h

On

Off

On

Off

2C0h

Off

On

On

Off

2E0h

On

On

On

Off

300h

Off

Off

Off

On

320h

On

Off

Off

On

340h

Off

On

Off

On

360h

On

On

Off

On

380h

Off

Off

On

On

3A0h

On

Off

On

On

3C0h

Off

On

On

On

3E0h

On

On

On

On