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80386S

UNIDENTIFIED

80386S

Processor

80386SX

Processor Speed

20/25MHz

Chip Set

C & T

Max. Onboard DRAM

16MB (8MB on memory card)

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387SX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Power LED & keylock

J16

Turbo LED

J13

Speaker

J17

Reset switch

J14

32-bit external memory card

SL1

Turbo switch

J15

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

BIOS type select AMI/Award

J2

pins 1 & 2 closed

 

BIOS type select Phoenix

J2

pins 2 & 3 closed

Monitor type select color

J3

Closed

 

Monitor type select monochrome

J3

Open

CMOS memory normal operation

J4

pins 2 & 3 closed

 

CMOS memory clear

J4

pins 1 & 2 closed

NPU type select Weitek 3167

J10

pins 1 & 2 closed

 

NPU type select Intel 80387

J10

pins 2 & 3 closed

NPU enabled

J11

Closed

 

NPU disabled

J11

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

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

Note: This board may have either SIPP or SIMM banks installed.

DRAM CONFIGURATION (MEMORY CARD)

Size

Bank 2

Bank 3

1MB

(36) 41256

NONE

2MB

(36) 41256

(36) 41256

4MB

(36) 411000

NONE

8MB

(36) 411000

(36) 411000

Note: If the memory card is used without on board memory installed, Banks 2 & 3 are called Banks 1 & 2.

DRAM JUMPER CONFIGURATION

Type

J5

J6

J7

J8

On board base memory only

1 & 2

1 & 2

1 & 2

1 & 2

On board base memory & memory card installed

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

WAIT STATE CONFIGURATION

Wait states

J9

0 wait states

Closed

1 wait state

Open