IBM CORPORATION

PS/2 MODEL 70 386 16/20RS

Processor

80386DX

Processor Speed

16/20MHz

Chip Set

IBM

Max. Onboard DRAM

6MB

Cache

None

BIOS

IBM

Dimensions

355mm x 240mm

I/O Options

Serial port, parallel port, pointing device connector, proprietary hard/floppy drive controller connector, proprietary 16-bit MCA video adapter slot, VGA port

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Battery/speaker

J1

Keyboard

J5

Serial port

J2

Hard/floppy drive

J6

Parallel port

J3

Video adapter slot

J7

Pointing device

J4

Display connector

J8

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(1) 256K x 36

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

2MB

(1) 512K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

5MB

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

Notes:SIMMs are a proprietary IBM design, standard 36-bit SIMMs can not be used. Onboard memory does not need to be installed in order to use memory expansion cards.