...because we can't all be on the bleeding edge...





OPTIMUM 386SX-16/20/25 REV. A

NOVACOR, INC.

OPTIMUM 386SX-16/20/25 REV. A

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

16/64KB

BIOS

AMI/MR

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo LED

JP7

Speaker

J21

Reset switch

S1

Power LED & keylock

J22

Turbo switch

S3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

Monitor type select color (AMI BIOS)

JP2

Closed

 

Monitor type select monochrome (AMI BIOS)

JP2

Open

Password enabled (MR BIOS)

JP2

Closed

 

Password disabled (MR BIOS)

JP2

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

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

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

CACHE CONFIGURATION

Size

Bank 0

TAG

16KB

(2) 8K x 8

(2) 4K x 4

64KB

(2) 32K x 8

(2) 4K x 4

SRAM JUMPER CONFIGURATION

Size

JP3

JP4

JP5

JP6

16KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Open

64KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

Closed