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386/25 CACHE

UNIDENTIFIED

386/25 CACHE

Processor

80386SX

Processor Speed

25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

32/64KB (location unidentified)

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

Memory card

NPU Options

80387SX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J14 (pins 7 & 8)

Speaker

J14 (pins 1 - 4)

Power LED & keylock

J15

Reset switch

J14 (pins 5 & 6)

External memory card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Battery type select external

J1

Closed

 

Battery type select internal

J1

pins 2 & 3 closed

 

Monitor type select color

J2

Closed

 

Monitor type select monochrome

J2

Open

Factory configured - do not alter

J4

pins 2 & 3 closed

Factory configured - do not alter

J10

pins 1 & 2 closed

Factory configured - do not alter

J11

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

2.5MB

(2) 256K x 9

(2) 1M x 9

NONE

NONE

2.5MB

(2) 1M x 9

(2) 256K x 9

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

3MB

(2) 256K x 9

(2) 1M x 9

(2) 256K x 9

NONE

3MB

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

NONE

3.5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 256K x 9

3.5MB

(2) 256K x 9

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

3.5MB

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

4.5MB

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

NONE

4.5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

NONE

4.5MB

(2) 1M x 9

(2) 256K x 9

(2) 1M x 9

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

5MB

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

5MB

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

(2) 256K x 9

10MB

(2) 1M x 9

(2) 256K x 9

(2) 1M x 9

(2) 256K x 9

6.5MB

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

6.5MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 256K x 9

6.5MB

(2) 1M x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

Note: The location of CACHE is unidentified.

CACHE JUMPER CONFIGURATION

Size

J5

J8

J9

32KB

pins 1 & 2 closed

Open

pins 1 & 2 closed

64KB

pins 2 & 3 closed

Closed

pins 2 & 3 closed

CACHE MEMORY LINE CONFIGURATION

Size

J6

J7

4 Bytes

Closed

pins 1 & 2 closed

8 Bytes

Closed

pins 2 & 3 closed

16 Bytes

Open

pins 2 & 3 closed

BIOS ROM TYPE CONFIGURATION

TYPE

J3

32Kb x 8

pins 2 & 3 closed

64KB x 8

pins 1 & 2 closed