SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-681

Device Type

Mainboard

Processor

Celeron

Processor Speed

300/333/350/366/400/433/450/466/500MHz

Chip Set

Intel 440BX

Maximum Onboard Memory

768MB (SDRAM supported)

Cache

128KB (located on the Celeron CPU)

BIOS

Award

Dimensions

305mm x 190mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Chassis fan power

J9

ATX power connector

ATX

Chassis fan power

J12

Parallel port

CN1

Chassis fan power

JP1

Serial port 1

CN2

Chassis fan power

JP3

Serial port 2

CN3

SB-link connector

JP8

USB connector 1

CN4

IDE interface LED

JP10/pins 2 & 3

USB connector 2

CN5

Green PC connector

JP10/pins 4 & 5

PS/2 mouse port

CN6

Green PC LED

JP10/pins 6 & 7

IDE interface 2

CN7

Soft off power supply

JP10/pins 8 & 9

IDE interface 1

CN8

Reset switch

JP10/pins 10 & 11

Floppy drive interface

CN9

Power LED

JP10/pins 12 - 14

Wake on LAN connector

CN10

Speaker

JP10/pins 15 - 18

IR connector

J3

32-bit PCI slots

PC1 - PC4

EISCA connector

J6

 

 


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP9

Pins 1 & 2 closed

 

CMOS memory clear

JP9

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP11

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP11

Pins 1 & 2 closed


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 2M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 2M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

40MB

(1) 4M x 64

(1) 1M x 64

None

40MB

(1) 2M x 64

(1) 2M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

56MB

(1) 4M x 64

(1) 2M x 64

(1) 1M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

72MB

(1) 8M x 64

(1) 1M x 64

None


DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

72MB

(1) 4M x 64

(1) 4M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

88MB

(1) 8M x 64

(1) 2M x 64

(1) 1M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

136MB

(1) 16M x 64

(1) 1M x 64

None

136MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

152MB

(1) 16M x 64

(1) 2M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

160MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

168MB

(1) 16M x 64

(1) 4M x 64

(1) 1M x 64

176MB

(1) 16M x 64

(1) 4M x 64

(1) 2M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

200MB

(1) 16M x 64

(1) 8M x 64

(1) 1M x 64

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 32M x 64

(1) 2M x 64

None

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

None

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

None

384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 32M x 64

(1) 16M x 64

None

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

Note: Board accepts SDRAM memory.


CACHE CONFIGURATION

Note: 128KB cache is located on the Celeron 300A & 333 CPU.


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP5/pins 1 & 2

JP5/pins 3 & 4

JP5/pins 5 & 6

300MHz

66MHz

4.5x

Open

Open

Closed

333MHz

66MHz

5x

Open

Open

Closed

350MHz

100MHz

3.5x

Open

Open

Open

366MHz

66MHz

5.5x

Open

Open

Closed

400MHz

66MHz

6x

Open

Open

Closed

400MHz

100MHz

4x

Open

Open

Open

433MHz

66MHz

6.5x

Open

Open

Closed

450MHz

100MHz

4.5x

Open

Open

Open

466MHz

66MHz

7x

Open

Open

Closed

500MHz

66MHz

7.5x

Open

Open

Closed

500MHz

100MHz

5x

Open

Open

Open


CPU SPEED SELECTION, CON'T

CPU speed

Clock speed

Multiplier

JP6/pins

1 & 6

JP6/pins

2 & 7

JP6/pins

3 & 8

JP6/pins

4 & 9

300MHz

66MHz

4.5x

Open

Closed

Closed

Open

333MHz

66MHz

5x

Open

Open

Closed

Closed

350MHz

100MHz

3.5x

Closed

Open

Closed

Open

366MHz

66MHz

5.5x

Open

Open

Closed

Open

400MHz

66MHz

6x

Closed

Closed

Open

Closed

400MHz

100MHz

4x

Open

Closed

Closed

Closed

433MHz

66MHz

6.5x

Closed

Closed

Open

Open

450MHz

100MHz

4.5x

Open

Closed

Closed

Open

466MHz

66MHz

7x

Closed

Open

Open

Closed

500MHz

66MHz

7.5x

Closed

Open

Open

Open

500MHz

100MHz

5x

Open

Open

Closed

Closed


CPU OVER CLOCK SELECTION

Setting

JP4

66MHz

Closed

100MHz

Open


KEYBOARD/MOUSE POWER ON SELECTION

Setting

JP2

Power on disabled

Pins 3 & 5, 4 & 6 closed

Power on enabled

Pins 1 & 3, 4 & 6 closed

Mouse power on enabled

Pins 2 & 4, 3 & 5 closed