ABIT COMPUTER CORPORATION

PE5 (REV. 1.2)

Processor

Pentium

Processor Speed

75/90/100/120MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface (secondary)

CN1

Speaker

JW1

IDE interface (primary)

CN2

Power LED & keylock

JW2

Parallel port

CN3

Turbo LED

JW3

Floppy drive interface

CN4

Turbo switch

JW4

PS/2 mouse port

CN5

Reset switch

JW5

Serial port 1

CN6

IDE interface LED

JW6

Serial port 2

CN7

IDE interface LED

JW7

Green PC connector

JP37

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP2

N/A

»

CPU type select STD & VR

JP25

Open

 

CPU type select VRE

JP25

Closed

»

Monitor type select color

JP40

Closed

 

Monitor type select monochrome

JP40

Open

»

CMOS memory normal operation

JP45

pins 1 & 2 closed

 

CMOS memory clear

JP45

pins 2 & 3 closed

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 JUMPER CONFIGURATION

Type

JP61

Bank 0 = single side SIMM Bank 1 = single or double side SIMM

pins 1 & 2, 3 & 4 closed

Bank 0 = double side SIMM Bank 1 = single or double side 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

JP36

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

JP31

JP32

JP34

75MHz

Open

Open

Open

90MHz

Closed

Open

Open

100MHz

Open

Closed

Open

120MHz

Closed

Open

Closed