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A-B305 Motherboard Settings and Configuration






MAGITRONICS

A-B305

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

Unidentified

Max. Onboard DRAM

8MB

Cache

None

BIOS

Unidentified

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Speaker

J4

Turbo switch

J2

Power LED & keylock

J5

Turbo LED

J3

External battery

JP9

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP8

pins 1 & 2 closed

 

Monitor type select color

JP8

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(1) 1M x 9

(2) 1M x 9








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