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80386SX-33/40 (ALIM1217-40)

UNIDENTIFIED

80386SX-33/40 (ALIM1217-40)

Processor

80386SX

Processor Speed

25/33/40MHz

Chip Set

ALI

Video Chip Set

None

Maximum Onboard Memory

16MB

Maximum Video Memory

None

Cache

None

BIOS

AMI

Dimensions

220mm x 170mm

I/O Options

None

NPU Options

80387SX

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

J4

Unidentified

Factory configured - do not alter

J6

Unidentified

Factory configured - do not alter

J7

Unidentified

Factory configured - do not alter

J8

Unidentified

Factory configured - do not alter

J9

Unidentified

 

NPU synchronous with CPU

JP2

Pins 1 & 2 closed

 

NPU asynchronous with CPU

JP2

Pins 2 & 3 closed

CMOS memory normal operation

JP3

Open

 

CMOS memory clear

JP3

Closed

 

Monitor type select color

JP4

Pins 2 & 3 closed

 

Monitor type select monochrome

JP4

Pins 1 & 2 closed

 

Parity check enabled

JP6

Open

 

Parity check disabled

JP6

Closed

Factory configured - do not alter

JP7

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

None

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

None

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

None

16MB

(2) 4M x 9

(2) 4M x 9

CPU SPEED SELECTION

Speed

JP1

JP5

25MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

33MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

40MHz

Pins 1 & 2 closed

Pins 1 & 2 closed