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SL-55A2, SL-55A5

SOLTEK COMPUTER, INC.

SL-55A2, SL-55A5

Processor

CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

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 port, serial ports (2), cache slot, IR connector, USB connectors (2), ATX power connector, soft on power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Speaker

JC1

Serial port 2

CN1

Reset switch

JC2

Parallel port

CN2

Power LED & keylock

JC3

PS/2 mouse port

CN3

Turbo LED

JC4

Serial port 1

CN4

Green PC connector

JC5

Floppy drive interface

CN5

Soft on power connector

JP15

IDE interface 2

CN6

32-bit PCI slots

PC1 - PC4

IDE interface 1

CN7

Cache slot

SL1

IDE interface LED

HD1

USB connector 1

USB1

IR connector

IR1

USB connector 2

USB2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP5

Closed

»

CMOS memory normal operation

JP24

Open

 

CMOS memory clear

JP24

Closed

»

Monitor type select color

JP25

Closed

 

Monitor type select monochrome

JP25

Open

Note: The location of JP5 is unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

None

None

(1) 1M x 64

None

8MB

(2) 1M x 36

None

None

None

16MB

None

None

(1) 2M x 64

None

16MB

None

None

(1) 1M x 64

(1) 1M x 64

16MB

(2) 2M x 36

None

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

24MB

None

None

(1) 2M x 64

(1) 1M x 64

24MB

(2) 1M x 36

(2) 2M x 36

None

None

32MB

None

None

(1) 4M x 64

None

32MB

None

None

(1) 2M x 64

(1) 2M x 64

32MB

(2) 4M x 36

None

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

None

40MB

None

None

(1) 4M x 64

(1) 1M x 64

40MB

(2) 4M x 36

(2) 1M x 36

None

None

48MB

None

None

(1) 4M x 64

(1) 2M x 64

48MB

(2) 4M x 36

(2) 2M x 36

None

None

64MB

None

None

(1) 8M x 64

None

64MB

None

None

(1) 4M x 64

(1) 4M x 64

64MB

(2) 8M x 36

None

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

None

None

(1) 8M x 64

(1) 1M x 64

72MB

(2) 8M x 36

(2) 1M x 36

None

None

80MB

None

None

(1) 8M x 64

(1) 2M x 64

80MB

(2) 8M x 36

(2) 2M x 36

None

None

96MB

None

None

(1) 8M x 64

(1) 4M x 64

96MB

(2) 8M x 36

(2) 4M x 36

None

None

128MB

None

None

(1) 8M x 64

(1) 8M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

None

Note: Board accepts EDO memory. Banks are 0 & 1, 2 & 3 are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB

(2) 32K x 32

Not installed

Unidentified

512KB

(2) 32K x 32

256KB module installed

Unidentified

CACHE JUMPER CONFIGURATION

Size

JP10

256KB

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP13

JP14

JP17

JP18

120MHz

50MHz

2x

Closed

Open

1 & 2

1 & 2

133MHz

55MHz

2x

Closed

Open

2 & 3

1 & 2

150MHz

60MHz

2x

Closed

Open

1 & 2

2 & 3

166MHz

66MHz

2x

Closed

Open

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP13

JP14

JP17

JP18

75MHz

50MHz

1.5x

Open

Open

1 & 2

1 & 2

90MHz

55MHz

1.5x

Open

Open

2 & 3

1 & 2

90MHz

60MHz

1.5x

Open

Open

1 & 2

2 & 3

100MHz

50MHz

1.5x

Open

Open

1 & 2

1 & 2

100MHz

55MHz

1.5x

Open

Open

2 & 3

1 & 2

100MHz

66MHz

1.5x

Open

Open

2 & 3

2 & 3

120MHz

60MHz

2x

Open

Open

1 & 2

2 & 3

133MHz

66MHz

2x

Open

Open

2 & 3

2 & 3

150MHz

60MHz

2x

Closed

Open

1 & 2

2 & 3

166MHz

66MHz

2x

Closed

Open

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP13

JP14

JP17

JP18

75MHz

50MHz

1.5x

Open

Open

1 & 2

1 & 2

90MHz

60MHz

1.5x

Open

Open

1 & 2

2 & 3

100MHz

66MHz

1.5x

Open

Open

2 & 3

2 & 3

120MHz

60MHz

2x

Closed

Open

1 & 2

2 & 3

133MHz

66MHz

2x

Closed

Open

2 & 3

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

1 & 2

2 & 3

166MHz

66MHz

2.5x

Closed

Closed

2 & 3

2 & 3

180MHz

60MHz

3x

Open

Closed

1 & 2

2 & 3

200MHz

66MHz

3x

Open

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP3

JP4

JP7

JP8

2.5v (dual voltage)

1 & 2

1 & 2

1 & 3, 2 & 4

1 & 3, 2 & 4

2.8v (dual voltage)

2 & 3

1 & 2

1 & 3, 2 & 4

1 & 3, 2 & 4

3.38v (single voltage)

1 & 2

2 & 3

3 & 5, 4 & 6

3 & 5, 4 & 6

3.52v (single voltage)

2 & 3

2 & 3

3 & 5, 4 & 6

3 & 5, 4 & 6

Note: Pins designated should be in the closed position.