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A-B341/A-B341Q

MAGITRONICS

A-B341/A-B341Q

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

SRAM Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330.2mm x 218.4mm

I/O Options

32-bit proprietary expansion slot

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J10

32-bit proprietary expansion slot

S1

Power LED & keylock

J23

Reset switch

SW1

Speaker

J24

Turbo switch

SW2

Turbo LED

JP4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP1

closed

 

Monitor type select monochrome

JP1

open

CMOS memory normal operation (Internal battery)

JP2

pins 2 & 3 closed

 

CMOS memory normal operation (external battery)

JP2

open

 

CMOS memory clear

JP2

pins 1 & 2 closed

 

Bus speed select iOSC/8 (CPU=40MHz)

JP3

closed

 

Bus speed select iOSC/6 (CPU=33MHz)

JP3

open

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) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

32KB

(4) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

JP7

JP8

JP9

JP10

32KB

1 & 2

1 & 2

1 & 2

open

2 & 3

2 & 3

64KB

2 & 3

1 & 2

1 & 2

open

2 & 3

1 & 2

128KB

2 & 3

1 & 2

2 & 3

closed

2 & 3

1 & 2

256KB

2 & 3

2 & 3

2 & 3

closed

1 & 2

1 & 2

Notes:Pins designated should be in the closed position.

Jumper J3 is present only on earlier versions of the main board