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EISA-486 WB

CALIBER COMPUTER

EISA-486 WB

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/50(internal)/50/66(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/128/256/512KB

BIOS

AMI

Dimensions

330mm x 215mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J4

Reset switch

S9

Power LED & keylock

J5

Turbo switch

SW

Turbo LED

LED

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

EXRDY/CHRDY for ISA cards select normal operation

JP0

Open

 

EXRDY/CHRDY for ISA cards select non-standard ISA cards

JP0

Closed

Monitor type select color

JP4

Closed

 

Monitor type select monochrome

JP4

Open

CPU speed select iOSC/1

JP8

pins 1 & 2 closed

 

CPU speed select iOSC/2

JP8

pins 2 & 3 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

64MB

(4) 16M x 9

NONE

68MB

(4) 1M x 9

(4) 16M x 9

80MB

(4) 4M x 9

(4) 16M x 9

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

512KB

(4) 128K x 8

NONE

CACHE TAG CONFIGURATION

Size

TAG (U49)

TAG (U50)

TAG (U51)

TAG (U64)

64KB

(4) 8K x 8

(1) 16K x 1

NONE

(1) 64K x 1

128KB

(4) 8K x 8

(1) 16K x 1

NONE

(1) 64K x 1

256KB

(1) 16K x 1

(1) 8K x 8

(1) 8K x 8

(1) 64K x 1

512KB

NONE

(1) 32K x 8

NONE

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

JP5

JP10

JP11

JP12

JP13

JP14

JP15

64KB

2 & 3

Open

Open

Open

Open

Open

Open

128KB

1 & 2

Open

Open

Closed

Open

Closed

Open

256KB

2 & 3

Open

Closed

Closed

Closed

Closed

Open

512KB

1 & 2

Closed

Closed

Closed

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP6

20MHz

Closed

25MHz

Open

33MHz

Open

50iMHz

Open

50MHz

Open

66iMHz

Open

CPU TYPE CONFIGURATION

Type

JP7

JP9

80486SX

pins 2 & 3 closed

Open

80487SX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

80486DX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

80486DX2

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

EISA BUS SPEED CONFIGURATION

Speed

JP1

JP2

JP3

20MHz

Open

Open

pins 2 & 3 closed

25MHz

Open

Open

pins 1 & 2 closed

33MHz

Closed

Open

pins 1 & 2 closed

50MHz

Closed

Closed

pins 1 & 2 closed