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HOT-555A

SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-555A

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/AM K5/Pentium

Processor Speed

75/90/100/120/125/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

230mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

Power LED & keylock

J14

Serial port 1

CN2

PS/2 mouse interface

J99

Serial port 2

CN3

Chassis fan power

JP1

Parallel port

CN4

IR connector

JP3

IDE interface 1

J6

Reset switch

JP12

IDE interface 2

J7

Green PC connector

JP15

USB connector

J10

Green PC LED

JP17

USB connector

J11

IDE interface LED

JP22

Speaker

J12

32-bit PCI slots

PC1 PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

JP18

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP18

Pins 2 & 3 closed

CMOS memory normal operation

JP45

Closed

 

CMOS memory clear

JP45

Open

SIMM 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) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

120MHz

50MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4, 5 & 6

133MHz

55MHz

2x

1 & 2

2 & 3

3 & 4, 5 & 6

150MHz

60MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4

166MHz

66MHz

2x

1 & 2

2 & 3

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

120MHz

50MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4, 5 & 6

133MHz

55MHz

2x

1 & 2

2 & 3

3 & 4, 5 & 6

150MHz

60MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4

166MHz

66MHz

2x

1 & 2

2 & 3

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

120MHz

50MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4, 5 & 6

133MHz

55MHz

2x

1 & 2

2 & 3

3 & 4, 5 & 6

150MHz

60MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4

166MHz

66MHz

2x

1 & 2

2 & 3

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86L)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

120MHz

50MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4, 5 & 6

133MHz

55MHz

2x

1 & 2

2 & 3

3 & 4, 5 & 6

150MHz

60MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4

166MHz

66MHz

2x

1 & 2

2 & 3

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

75MHz

50MHz

1.5x

2 & 3

2 & 3

1 & 2, 3 & 4, 5 & 6

90MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2, 3 & 4

100MHz

66MHz

1.5x

2 & 3

2 & 3

1 & 2, 5 & 6

120MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2, 3 & 4

133MHz

66MHz

1.5x

2 & 3

2 & 3

1 & 2, 5 & 6

150MHz

60MHz

1.75x

1 & 2

1 & 2

1 & 2, 3 & 4

166MHz

66MHz

1.75x

1 & 2

1 & 2

1 & 2, 5 & 6

200MHz

66MHz

2x

1 & 2

2 & 3

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

75MHz

50MHz

1.5x

2 & 3

2 & 3

1 & 2, 3 & 4, 5 & 6

90MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2, 3 & 4

100MHz

66MHz

1.5x

2 & 3

2 & 3

1 & 2, 5 & 6

120MHz

60MHz

2x

1 & 2

2 & 3

1 & 2, 3 & 4

125MHz

50MHz

2.5x

1 & 2

1 & 2

1 & 2, 3 & 4, 5 & 6

133MHz

66MHz

2x

1 & 2

2 & 3

1 & 2, 5 & 6

150MHz

60MHz

2.5x

1 & 2

1 & 2

1 & 2, 3 & 4

166MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2, 5 & 6

180MHz

60MHz

3x

2 & 3

1 & 2

1 & 2, 3 & 4

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JPA

JPB

JP37

166MHz

66MHz

2.5x

1 & 2

1 & 2

1 & 2, 5 & 6

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP33

JP34

JP39

JP43

2.8v

Open

Closed

Open

Pins 1 & 2 closed

2.9v

Open

Closed

Pins 2 & 4 closed

Pins 1 & 2 closed

3.1v

Open

Closed

Pins 3 & 4 closed

Pins 1 & 2 closed

3.3v

Open

Closed

Pins 1 & 3 closed

Pins 1 & 2 closed

3.5v

Open

Closed

Pins 1 & 3, 2 & 4 closed

Pins 1 & 2 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP33

JP34

JP39

JP43

3.3v

2.8v

3 & 4, 5 & 6

Open

Open

1 & 2

3.3v

2.9v

3 & 4, 5 & 6

Open

2 & 4

1 & 2

3.3v

3.1v

3 & 4, 5 & 6

Open

3 & 4

1 & 2

3.4v

2.8v

3 & 4, 5 & 6

Open

Open

2 & 4

3.4v

2.9v

3 & 4, 5 & 6

Open

2 & 4

2 & 4

3.4v

3.1v

3 & 4, 5 & 6

Open

3 & 4

2 & 4

Note: Pins designated should be in the closed position.