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PC340

POSITIVE CORPORATION

PC340

Processor

80386DX

Processor Speed

33/40MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

32/64/128/256KB

BIOS

AMI/MR

Dimensions

330mm x 218mm

I/O Options

External memory card

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J10

External memory card

SL1

Power LED & keylock

J23

Reset switch

SW1

Speaker

J24

Turbo switch

SW2

Turbo LED

JP4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Password disabled (MR BIOS only)

JP1

Open

 

Password enabled (MR BIOS only)

JP1

Closed

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 closed

I/O bus speed select ATCLK/6

JP3

Open

 

I/O bus speed select ATCLK/8

JP3

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

24MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

NONE

24MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

NONE

28MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

28MB

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

28MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

NONE

36MB

(4) 4M x 9

(4) 1M x 9

(4) 4M x 9

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

40MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

40MB

(4) 4M x 9

(4) 1M x 9

(4) 4M x 9

(4) 1M x 9

40MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

52MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

52MB

(4) 4M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

52MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

Note: Banks 2 & 3 are located on the external memory card.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG 0

TAG 1

32KB

(4) 8K x 8

NONE

(2) 16K x 4

(1) 16K x 1

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

(1) 16K x 1

128KB

(4) 32K x 8

NONE

(2) 16K x 4

(1) 16K x 1

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

(1) 16K x 1

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

JP7

JP8

JP9

JP10

32KB

1 & 2

1 & 2

1 & 2

Open

2 & 3

2 & 3

64KB

2 & 3

1 & 2

1 & 2

Open

2 & 3

1 & 2

128KB

2 & 3

1 & 2

2 & 3

Closed

2 & 3

1 & 2

256KB

2 & 3

2 & 3

2 & 3

Closed

1 & 2

1 & 2

Note: Pins designated should be in the closed position.