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80486-33A

CALIBER COMPUTER

80486-33A

Processor

80486DX

Processor Speed

33MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330.2mm x 218.4mm

I/O Options

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J10

32-bit external memory card

S1

Power LED & keylock

J23

Reset switch

SW1

Speaker

J24

Turbo switch

SW2

Turbo LED

JP12

 

 

USER CONFIGURABLE SETTINGS

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

CMOS memory normal operation

JP2

pins 2 & 3 closed

 

CMOS memory clear

JP2

pins 1 & 2 closed

Bus speed select iOSC/4

JP3

Open

 

Bus speed select iOSC/6

JP3

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

TAG (U33)

TAG (U34)

64KB

(8) 8K x 8

(1) 32K x 1

(1) 8K x 8

256KB

(8) 32K x 8

(1) 32K x 1

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP8

JP9

JP10

JP11

64KB

Open

Open

Open

Open

256KB

Closed

Closed

Open

Closed

CPU TYPE CONFIGURATION

Type

JP5

JP6

JP7

80486SX

Open

pins 2 & 3 closed

Open

80487SX

pins 1 & 2 closed

pins 1 & 2 closed

Closed

80486DX

pins 2 & 3 closed

pins 1 & 2 closed

Closed