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OPTI-P9

UNIDENTIFIED

OPTI-P9

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J1

Speaker

J4

Turbo LED

J2

Power LED & keylock

J5

Reset switch

J3

External battery

JP2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Turbo mode enabled

J1

Open

 

Normal mode enabled CLK2/6 OR CLK2/4

J1

Closed

Monitor type select monochrome

JP1

Open

 

Monitor type select color

JP1

Closed

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 3 & 4 closed

NPU asynchronous with CPU

JP3

Closed

 

NPU synchronous with CPU

JP3

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

NONE

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

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

DRAM CONFIGURATION

Size

Bank 0

Parity 0

Bank 1

Parity 1

Bank 2

Parity 2

Bank 3

Parity 3

256KB

               

256KB

               

512KB

               

512KB

               

576KB

               

576KB

               

640KB

               

640KB

               

Note:When using 44256 or 4464 chips, insert the chips into the dual-size sockets.

CACHE CONFIGURATION

Size

Max Cachable

Bank 0

Bank 1

TAG

64KB

8MB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

16MB

(4) 32K x 8

NONE

(2) 16K x 4

256KB

32MB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

CACHE JUMPER CONFIGURATION

Size

W3

W4

W5

W6

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

VESA CPU TYPE (ID0 & ID1) CONFIGURATION

CPU Type

JP1 (ID0)

JP2 (ID1)

80386

pins 2 & 3 closed

pins 1 & 2 closed

80486

pins 1 & 2 closed

pins 2 & 3 closed

VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

CPU speed

Wait states

JP4 (ID3)

JP5 (ID2)

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed

VESA ID4 CONFIGURATION

Setting

JP6 (ID4)

Reserved for future use

pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

Note:Pins designated should be in the closed position.