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HOSTESS I/S 2

COMTROL CORPORATION

HOSTESS I/S 2

Card Type

I/O controller

Chipset/Controller

Texas Instruments (UART)

I/O Options

Serial ports (2)

Maximum DRAM

8MB

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

External reset connector 1

CN3

Serial port 2

CN2

External reset connector 2

CN4

RS-232/RS-422 MODE SELECTION

Mode

JP1/A-H

JP2/A-H

RS-422

Pins 2 & 3 closed

Pins 2 & 3 closed

RS-232

Pins 1 & 2 closed

Pins 1 & 2 closed

I/O ADDRESS CONFIGURATION

Address

SW1/1

SW1/2

SW1/3

SW1/4

218h

Off

Off

Off

Off

21Ch

On

Off

Off

Off

238h

Off

On

Off

Off

23Ch

On

On

Off

Off

318h

Off

Off

On

Off

31Ch

On

Off

On

Off

338h

Off

On

On

Off

33Ch

On

On

On

Off

618h

Off

Off

Off

On

61Ch

On

Off

Off

On

638h

Off

On

Off

On

63Ch

On

On

Off

On

718h

Off

Off

On

On

71Ch

On

Off

On

On

738h

Off

On

On

On

73Ch

On

On

On

On

DRAM CONFIGURATION

Size

Bank 0

512KB

(2) 256K x 9

2MB

(2) 1M x 9

8MB

(2) 4M x 9