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A-B345G/A-B345H

MAGITRONICS

A-B345G/A-B345H

Processor

80386DX

Processor Speed

40MHz

Chip Set

OPTi

Max. Onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

JP12

Power LED & keylock

J18

Turbo switch

JP11

Speaker

J19

Reset switch

SW1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

ISA bus clock iOSC/4 (10MHz)

JP2

closed

 

ISA bus clock iOSC/5 (8MHz)

JP2

open

CMOS memory normal operation

J3

pins 2 & 3 closed

 

CMOS memory clear

J3

pins 1 & 2 closed

Monitor type select color

J4

closed

 

Monitor type select monochrome

J4

open

SRAM JUMPER CONFIGURATION

Size

JP6

JP8

JP9

JP10

JP17

JP18

64KB

open

open

open

pins 2 & 3

open

open

128KB

closed

closed

open

pins 1 & 2

open

closed

256KB

closed

closed

closed

pins 2 & 3

closed

closed

SRAM CONFIGURATION

Size

Cache

Location

TAG

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9