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