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PS/2 MODEL 25 TYPE 1

IBM CORPORATION

PS/2 MODEL 25 TYPE 1

Processor

8086

Processor Speed

8MHz

Chip Set

None

Max. Onboard DRAM

640KB

Cache

None

BIOS

IBM

Dimensions

355mm x 304mm

I/O Options

Serial port, parallel port, pointing device connector, video port, IDE interface, floppy drive interface, earphone connector

NPU Options

8087

CONNECTIONS

Purpose

Location

Purpose

Location

Pointing device

J1

Fan

J8

Keyboard

J2

Keylock

J10

Parallel port

J3

IDE interface

J11

Video port

J4

Floppy drive interface

J12

Serial port

J5

Earphone connector

J13

Riser card

J6

   

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Parity (P-1)

512KB

(2) 256K x 9

NONE

NONE

640KB

(2) 256K x 9

(4) 4464

(2) 4164