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HOSTESS I8

COMTROL CORPORATION

HOSTESS I8

Card Type

I/O controller

Chipset/Controller

NEC Corporation

I/O Options

Serial ports (8 or 16)

Maximum DRAM

8MB

CONNECTIONS

Purpose

Location

Purpose

Location

100 Pin interface connector

CN1

Upgrade connector 4

P1

Upgrade connector 1

J1

Upgrade connector 5

P2

Upgrade connector 2

J2

Upgrade connector 6

P4

Upgrade connector 3

J4

 

 

Note: Connectors J1, J2 and J4 interface with connectors P1, P2 and P4 respectively.

I/O ADDRESS SELECTION

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

RS-232 MODE SELECTION

Port

RS-232

JP1-16

Pins 1 & 2 closed

RS-422 MODE SELECTION

Jumper

RS-422

JP1-4/1

Pins 2 & 3 closed

JP1-4/2

Pins 2 & 3 closed

JP1-4/3

Pins 2 & 3 closed

JP1-4/4

Pins 1 & 2 closed

JP5-8

Pins 2 & 3 closed

JP9-16

Pins 2 & 3 closed

RS-485 MODE SELECTION

Port

RS-485

JP1-16

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

512KB

(2) 256K x 9

2MB

(2) 1M x 9

8MB

(2) 4M x 9