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UMC 386

UNIDENTIFIED

UMC 386

Processor

80386DX

Processor Speed

25MHz

Chip Set

UMC

Max. Onboard DRAM

12MB

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

JP1

External battery

JP9

Turbo switch

JP2

Speaker

JP10

Reset switch

JP8

Power LED & keylock

JP11

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP3

Closed

Monitor type select color

JP4

Closed

 

Monitor type select monochrome

JP4

Open

Factory configured - do not alter

JP5

N/A

NPU enabled

JP6

Closed

 

NPU disabled

JP6

Open

NPU type select 80387

JP7

Closed

 

NPU type select 3167

JP7

Open

Factory configured - do not alter

JP15

N/A

Factory configured - do not alter

JP16

N/A

BIOS type select 27128

JP17

pins 1 & 2 closed

 

BIOS type select 27256

JP17

pins 2 & 3 closed

Factory configured - do not alter

JP18

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1 M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

DRAM JUMPER CONFIGURATION

Size

JP12

JP13

JP14

1MB

Closed

Closed

Closed

2MB

Open

Closed

Closed

3MB

Open

Closed

Open

4MB

Closed

Open

Closed

8MB

Open

Open

Closed

12MB

Open

Open

Open