UNIDENTIFIED

MAT 286 MICRO AT (BA15D)

Processor

80286

Processor Speed

16/20MHz

Chip Set

None

Max. Onboard DRAM

4MB

Cache

None

BIOS

Quadtel

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP3

Power LED & keylock

JP9

Turbo switch

JP7

Speaker

JP10

Reset switch

JP8

Turbo LED

JP11

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Turbo switch default high speed

JP1

pins 2 & 3 closed

 

Turbo switch default low speed

JP1

pins 1 & 2 closed

»

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

»

ATCLK source select crystal Y3/4

JP12

Closed

 

ATCLK source select crystal Y2/4

JP12

Open

»

NPU clock source select crystal Y3/3

JP13

pins 1 & 2 closed

 

NPU clock source select crystal Y4/3

JP13

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(4) 44256

NONE

NONE

NONE

512KB

NONE

NONE

(2) 256K x 9

NONE

640KB

(4) 44256

(4) 4464

NONE

NONE

1MB

(4) 44256

(4) 44256

NONE

NONE

2MB

NONE

NONE

(2) 1M x 9

NONE

2MB

(4) 441000

NONE

NONE

NONE

2.5MB

(4) 44256

(4) 441000

NONE

NONE

2.5MB

(4) 44256

NONE

(2) 1M x 9

NONE

4MB

(4) 441000

(4) 441000

NONE

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9