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AMI 386SX CACHE

AMERICAN MEGATRENDS, INC.

AMI 386SX CACHE

Processor

80386SX

Processor Speed

20/25MHz

Chip Set

AMI

Max. Onboard DRAM

8MB

Cache

32KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Power LED & keylock

J6

Reset switch

J4

Speaker

J7

Turbo LED

J5

Turbo switch

J10

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Battery select internal

J1

Closed

 

Battery select external

J1

Open

 

DRAM address sequence select bank 1, then bank 2

J3

pins 1 & 2, 3 & 4 closed

 

DRAM address sequence select bank 2, then bank 1

J3

pins 2 & 3, 4 & 5 closed

Factory configured - do not alter

J8

N/A

CMOS memory normal operation

J9

Open

 

CMOS memory clear

J9

Closed

Factory configured - do not alter

J11

N/A

Factory configured - do not alter

J12

N/A

Factory configured - do not alter

J13

N/A

Factory configured - do not alter

SW1/1

Off

Monitor type select monochrome

SW1/2

Off

 

Monitor type select color

SW1/2

On

 

Note : Cache is factory installed , and is not configurable. The size and location of cache and tag are unidentified.

DRAM CONFIGURATION

Size

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9