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PB635 Motherboard Settings and Configuration






PACKARD BELL

PB635

Processor

80286

Processor Speed

12MHz

Chip Set

C & T

Max. Onboard DRAM

1MB

Cache

None

BIOS

MH

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Speaker

J3

Keylock

J2

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU mode select synchronous with CPU

J19

pins 1 & 2 closed

 

NPU mode select asynchronous with CPU

J19

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

NONE

NONE

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

3MB

(18) 41256

(18) 41256

(2) 1M x 9

NONE

5MB

(18) 41256

(18) 41256

(2) 1M x 9

(2) 1M x 9

Note:Banks 2 & 3 are used when an external memory card is installed.








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