SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-637

Device Type

Mainboard

Processor

Pentium II

Processor Speed

233/266/300/333MHz

Chip Set

Intel 440LX

Maximum Onboard Memory

512MB (EDO & SDRAM supported)

Cache

256/512KB (located on Pentium II CPU)

BIOS

Award

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Reset switch

J32

ATX power connector

ATX

USB connector 1

J33

EISCA connector

C1

USB connector 2

J34

IDE interface 1

J13

AGP fan power

J43

IDE interface 2

J14

IR connector

JP4

Parallel port

J19

Speaker

JP24

Serial port 1

J20

Chassis fan power

JP28

Serial port 2

J21

CPU fan power

JP29

Floppy drive interface

J22

Soft off power supply

S1

PS/2 mouse port

J24

IDE interface LED

S3

Power LED & keylock

J27

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

J17

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

J17

Pins 2 & 3 closed

»

CMOS memory normal operation

JP19

Pins 1 & 2 closed

 

CMOS memory clear

JP19

Pins 2 & 3 closed

»

Hard drive select any drive installed

JP32

Pins 1 & 2 closed

 

Hard drive select Seagate 5v only

JP32

Pins 2 & 3 closed

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(1) 1M x 64

None

None

None

16MB

(1) 2M x 64

None

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

None

24MB

(1) 2M x 64

(1) 1M x 64

None

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

None

32MB

(1) 4M x 64

None

None

None

32MB

(1) 2M x 64

(1) 2M x 64

None

None

32MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

40MB

(1) 4M x 64

(1) 1M x 64

None

None

48MB

(1) 4M x 64

(1) 2M x 64

None

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

None

64MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

None

None

64MB

(1) 4M x 64

(1) 4M x 64

None

None

72MB

(1) 8M x 64

(1) 1M x 64

None

None

80MB

(1) 8M x 64

(1) 2M x 64

None

None

96MB

(1) 8M x 64

(1) 4M x 64

None

None

DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

None

128MB

(1) 16M x 64

None

None

None

128MB

(1) 8M x 64

(1) 8M x 64

None

None

128MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

136MB

(1) 16M x 64

(1) 1M x 64

None

None

144MB

(1) 16M x 64

(1) 2M x 64

None

None

152MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

None

176MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

None

224MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 16M x 64

None

None

256MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 16M x 64

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

288MB

(1) 16M x 64

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

320MB

(1) 16M x 64

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

320MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

None

512MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

Note: Board accepts EDO & SDRAM memory.

CACHE CONFIGURATION

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

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP35/pins

1 & 2

JP35/pins

3 & 4

JP35/pins

5 & 6

JP35/pins

7 & 8

233MHz

66MHz

3.5x

Open

Open

Open

Open

266MHz

66MHz

4x

Open

Open

Open

Open

300MHz

66MHz

4.5x

Open

Open

Open

Open

333MHz

66MHz

5x

Open

Open

Open

Open

CPU SPEED SELECTION (CON'T)

CPU speed

Clock speed

Multiplier

JP37/pins

1 & 2

JP37/pins

3 & 4

JP37/pins

5 & 6

JP37/pins

7 & 8

233MHz

66MHz

3.5x

Closed

Open

Closed

Open

266MHz

66MHz

4x

Open

Closed

Closed

Closed

300MHz

66MHz

4.5x

Open

Closed

Closed

Open

333MHz

66MHz

5x

Open

Open

Closed

Closed