HwMuseum | Index

I-BUS

THRESHER

Processor

Pentium Pro

Processor Speed

150/166/180/200MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro CPU)

BIOS

Award

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VRM connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

J1

Auxiliary keyboard connector

J9

IDE interface

J2

Reset switch

J10

Floppy drive interface

J3

USB connector

J11

Chassis fan power

J4

Speaker

J12

Parallel port

J5

External battery

J18

Serial port 1

J6

PS/2 mouse port

J19

Serial port 2

J7

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS write protect disabled

J8

Open

 

Flash BIOS write protect enabled

J8

Closed

 

On board speaker enabled

J12

Pins 1 & 2 closed

 

On board speaker disabled

J12

Open

 

External speaker enabled

J12

Closed

»

Factory configured - do not alter

J15

Unidentified

 

Watch dog timer enabled

J17

Closed

 

Watch dog timer disabled

J17

Open

 

On board speaker enabled

J18

Pins 3 & 4 closed

 

On board speaker disabled

J18

Open

 

External speaker enabled

J18

Closed

»

Factory configured - do not alter

J22

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M 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

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

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) 16M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

136MB

(2) 1M x 36

(2) 16M x 36

144MB

(2) 2M x 36

(2) 16M x 36

160MB

(2) 4M x 36

(2) 16M x 36

192MB

(2) 8M x 36

(2) 16M x 36

256MB

(2) 16M x 36

(2) 16M x 36

512MB

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J13

J14

J21

150MHz

60MHz

2.5x

1 & 3

2 & 4

3 & 4, 5 & 6, 7 & 8

166MHz

66MHz

2.5x

2 & 4

1 & 3

3 & 4, 5 & 6, 7 & 8

180MHz

60MHz

3x

1 & 3

2 & 4

1 & 2, 3 & 4, 7 & 8

200MHz

66MHz

3x

2 & 4

1 & 3

1 & 2, 3 & 4, 7 & 8

Note: Pins designated should be in the closed position.

WATCH DOG TIMER/ISA BUS SELECTION

Setting

J20

»

IRQ11 for ISA bus only

Pins 3 & 4 closed

 

IRQ11 for watch dog timer and ISA bus

Pins 1 & 3, 2 & 4 closed

 

IRQ11 for watch dog timer only

Pins 1 & 3 closed