HwMuseum | Index

MAGITRONICS

A-B341H

Processor

80386DX

Processor Speed

40MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

SRAM Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Function

Location

Function

Location

External battery

J1

Reset switch

J4

Turbo LED

J2

Speaker

J5

Turbo switch

J3

Power LED & keylock

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Battery select internal

W1

closed

 

Battery select external

W1

open

»

Monitor type select color

W2

closed

 

Monitor type select monochrome

W2

open

»

NPU disabled

W4

open

 

NPU enabled

W4

closed

»

CMOS memory normal operation

W20

open

 

CMOS memory clear

W20

closed

Note:Location of jumper W2 is unknown.

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

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

SRAM CONFIGURATION

Size

Cache

Location

TAG

32KB

(4) 8K x 8

Bank 0

(1) 8K x 8

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

SRAM JUMPER CONFIGURATION

Size

W8

W9

W10

W11

W12

W13

W14

W15

32KB

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

open

64KB

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

open

128KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

Note:Pins designated should be in the closed position.