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HOT-541 (REV. 1)

SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-541 (REV. 1)

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

Intel

Maximum Onboard Memory

128MB (EDO supported)

Cache

256/512KB

BIOS

AMI/Award

Dimensions

280mm 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), VRM connector, cache slot

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

Serial port 1

CN1

Turbo switch

JP13

Serial port 2

CN2

Turbo LED

JP14

Parallel port

CN3

Green PC connector

JP19

Floppy drive interface

CN4

IDE interface LED

JP20

IDE interface 2

CN5

PS/2 mouse interface

JP52

IDE interface 1

CN6

Green PC LED

JP74

Speaker

JP7

32-bit PCI slots

PC1 - PC4

Power LED & keylock

JP8

VRM connector

VRM

Reset switch

JP12

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Flash BIOS voltage select 5v

JP9

Open

 

Flash BIOS voltage select 12v

JP9

Pins 2 & 3 closed

»

CMOS memory normal operation

JP11

Open

 

CMOS memory clear

JP11

Closed

»

On board I/O enabled

JP59

Pins 1 & 2 closed

 

On board I/O disabled

JP59

Pins 2 & 3 closed

»

Monitor type select color

JP71

Closed

 

Monitor type select monochrome

JP71

Open

»

Password normal operation

JP72

Open

 

Password clear

JP72

Closed

DRAM

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

None

8MB

None

(2) 1M x 32

16MB

(2) 2M x 32

None

16MB

None

(2) 2M x 32

16MB

(2) 1M x 32

(2) 1M x 32

24MB

(2) 1M x 32

(2) 2M x 32

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 4M x 32

None

32MB

None

(2) 4M x 32

32MB

(2) 2M x 32

(2) 2M x 32

40MB

(2) 1M x 32

(2) 4M x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 2M x 32

(2) 4M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 8M x 32

None

64MB

None

(2) 8M x 32

DRAM (CON’T)

Size

Bank 0

Bank 1

64MB

(2) 4M x 32

(2) 4M x 32

72MB

(2) 1M x 32

(2) 8M x 32

72MB

(2) 8M x 32

(2) 1M x 32

80MB

(2) 2M x 32

(2) 8M x 32

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 4M x 32

(2) 8M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

Note: Board accepts EDO memory.

CACHE SIZE

Size

Bank 0

Bank 1

TAG

SL1

256KB (A)

None

(8) 32K x 8

(1) 32K x 8

Not installed

256KB (B)

None

None

None

Installed

256KB (C)

(2) 32K x 32

None

(1) 32K x 8

Not installed

512KB (A)

None

(8) 64K x 8

(1) 32K x 8

Not installed

CACHE JUMPER

Size

JP4

256KB (A)

Pins 2 & 3 closed

512KB (A)

Pins 1 & 2 closed

CACHE VOLTAGE

Setting

JP32

Mixed mode

Pins 1 & 2 closed

3.3v

Pins 2 & 3 closed

CPU SPEED

Setting

JP15

JP16

75MHz

Open

Open

90MHz

Closed

Closed

100MHz

Open

Closed

120MHz

Closed

Closed

133MHz

Open

Closed

AT BUS CLOCK SPEED

System clock

AT bus clock

JP18

50MHz

6.25MHz

Pins 2 & 3 closed

50MHz

8.33MHz

Pins 1 & 2 closed

60MHz

7.5MHz

Pins 2 & 3 closed

60MHz

10MHz

Pins 1 & 2 closed

66MHz

8.25MHz

Pins 2 & 3 closed

66MHz

11MHz

Pins 1 & 2 closed

CPU MULTIPLIER

Setting

JP3

JP58

1.5x

Open

Open

2x

Closed

Open

2.5x

Closed

Closed

3x

Open

Closed

CPU VOLTAGE

Setting

J8

J9

J10

3.3v

Closed

Open

Open

3.4v

Open

Closed

Open

3.6v

Open

Open

Closed

VRM CONNECTOR

Setting

JP50

JP51

JP56

JP57

On board regulator installed

1 & 3, 2 & 4

Open

Closed

Closed

Add on VRM installed at VRM

Open

1 & 3, 2 & 4

Open

Open

On board regulator and add on VRM installed at VRM

Open

Open

Closed

Closed

Note: Pins designated should be in the closed position.

DMA CHANNEL

Setting

JP60

JP61

DMA1

Pins 1 & 2 closed

Pins 1 & 2 closed

DMA3

Pins 2 & 3 closed

Pins 2 & 3 closed

PS/2 MOUSE

Setting

JP52

12-pin header

Pins 2, 3, 4, 5, 6, 8, 9, 10, 11, 12 closed

6-pin mini

Pins 1 - 6 closed