ABIT COMPUTER CORPORATION

PK5 (REV. 1.1)

Processor

Pentium

Processor Speed

90/100/120/133MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Green PC connector

JP14

Reset switch

JW4

Power LED & keylock

JW1

Turbo LED

JW5

Speaker

JW2

32-bit PCI slots

PC1 - PC3

Turbo switch

JW3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP5

Open

 

CMOS memory clear

JP5

Closed

»

Monitor type select color

JP18

Closed

 

Monitor type select monochrome

JP18

Open

»

Factory configured - do not alter

JP28

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 256K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 256K x 36

(2) 2M x 36

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 256K x 36

(2) 4M x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

DRAM CONFIGURATION

Type

JP4

Bank 0 = single side SIMM & Bank 1 = any SIMM

pins 1 & 2, 3 & 4 closed

Bank 0 = double side SIMM & Bank 1 = any SIMM

pins 2 & 3, 4 & 5 closed

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K x 8

512KB

(8) 64K x 8

(1) 32K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP11

256KB

pins 2 & 3, 5 & 6 closed

512KB

pins 1 & 2, 5 & 6 closed

1MB

pins 1 & 2, 4 & 5 closed

CPU SPEED CONFIGURATION

Speed

JP7

JP8

JP9

JP27

75MHz

Closed

Open

Open

Open

90MHz

Open

Closed

Open

Open

100MHz

Closed

Open

Closed

Open

120MHz

Open

Closed

Open

Closed

133MHz

Closed

Open

Closed

Closed