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





OPTimum 486DXBB - 4A4B1

NOVACOR, INC.

OPTimum 486DXBB - 4A4B1

Processor

80486SX/80486DX

Processor Speed

25/33/50MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

SRAM Cache

None

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

CR1

Speaker

J20

External battery

J1

Turbo switch

JP6

Power LED & keylock

J19

Reset switch

SW1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

Password select enabled

JP2

closed

 

Password select disabled

JP2

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

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(4) 4M x 9

(4) 4M x 9

CPU TYPE CONFIGURATION

Type

JP3

JP4

JP5

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

closed

80487SX

pins 2 & 3 closed

pins 1 & 2 closed

closed

80486DX

open

pins 2 & 3 closed

open