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SOLTEK COMPUTER, INC.

SL-53A2, SL-53A5

Device Type

Mainboard

Processor

CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/ Pentium MMX

Processor Speed

75/90/100/120/133/150/166/180/200/233MHz

Chip Set

Intel 430VX

Maximum Onboard Memory

128MB DRAM (EDO supported)

Cache

256/512KB

BIOS

Award

I/O Options

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

Dimensions

250mm x 220mm

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

IR connector

J1B

Parallel port

CN2

Green PC connector

J1C

Floppy drive interface

CN3

Speaker

J2A

Serial port 1

CN4

Reset switch

J2B

Serial port 2

CN5

Power LED & keylock

J2C

IDE interface 1

CN6

Turbo LED

J2D

IDE interface 2

CN7

32-bit PCI slots

PC1 - PC4

IDE interface LED

J1A

USB connector

USB

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS normal operation

JP6

Pins 1 & 2 closed

 

CMOS clear

JP6

Pins 2 & 3 closed

»

Factory configured - do not alter

JP14

Pins 1 & 2 closed

»

Factory configured - do not alter

JP19

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1MB x 36

None

16MB

(2) 1MB x 36

(2) 1MB x 36

16MB

(2) 2MB x 36

None

24MB

(2) 2MB x 36

(2) 1MB x 36

32MB

(2) 2MB x 36

(2) 2MB x 36

32MB

(2) 4MB x 36

None

40MB

(2) 4MB x 36

(2) 1MB x 36

48MB

(2) 4MB x 36

(2) 2MB x 36

64MB

(2) 4MB x 36

(2) 4MB x 36

64MB

(2) 8MB x 36

None

72MB

(2) 8MB x 36

(2) 1MB x 36

80MB

(2) 8MB x 36

(2) 2MB x 36

96MB

(2) 8MB x 36

(2) 4MB x 36

128MB

(2) 8MB x 36

(2) 8MB x 36

CPU SPEED SELECTION (CX 6X86)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

120MHz

50MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

1&2, 4&5

1&2, 4&5

133MHz

55MHz

2x

2 & 3

2 & 3

2 & 3

1 & 2

1&2, 4&5

1&2, 4&5

150MHz

60MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

1&2, 4&5

1&2, 4&5

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

1&2, 4&5

1&2, 4&5

Note: Numbers designate pins that should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

120MHz

50MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

2&3, 5&6

2&3, 5&6

133MHz

55MHz

2x

2 & 3

2 & 3

2 & 3

1 & 2

2&3, 5&6

2&3, 5&6

150MHz

60MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

2&3, 5&6

2&3, 5&6

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

2&3, 5&6

2&3, 5&6

Note: Numbers designate pins that should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

166MHz

60MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2&3, 5&6

2&3, 5&6

200MHz

66MHz

2.5x

2 & 3

1 & 2

1 & 2

2 & 3

2&3, 5&6

2&3, 5&6

233MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

2&3, 5&6

2&3, 5&6

Note: Numbers designate pins that should be in the closed position.

CPU SPEED SELECTION (AM K5)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

90MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

100MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

120MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

133MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

150MHz

60MHz

2x

2 & 3

1 & 2

2 & 3

2 & 3

1&2, 4&5

1&2, 4&5

166MHz

66MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

1&2, 4&5

1&2, 4&5

Note: Numbers designate pins that should be in the closed position.

CPU SPEED SELECTION (AM K6)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2&3, 5&6

2&3, 5&6

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

2 & 3

2&3, 5&6

2&3, 5&6

233MHz

66MHz

3.5x

2 & 3

1 & 2

1 & 2

1 & 2

2&3, 5&6

2&3, 5&6

Note: Numbers designate pins that should be in the closed position.

CPU SPEED SELECTION (PENTIUM)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

90MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

100MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

1 & 2

1&2, 4&5

1&2, 4&5

120MHz

60MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

1&2, 4&5

1&2, 4&5

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

1&2, 4&5

1&2, 4&5

150MHz

60MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

1&2, 4&5

1&2, 4&5

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

1&2, 4&5

1&2, 4&5

180MHz

60MHz

3x

1 & 2

2 & 3

1 & 2

2 & 3

1&2, 4&5

1&2, 4&5

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

2 & 3

1&2, 4&5

1&2, 4&5

Note: Numbers designate pins that should be in the closed position.

CPU SPEED SELECTION (PENTIUM MMX)

Speed

Clock speed

Multiplier

JP2

JP3

JP11

JP12

JP21

JP22

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2&3, 5&6

2&3, 5&6

200MHz

60MHz

3x

2 & 3

1 & 2

1 & 2

2 & 3

2&3, 5&6

2&3, 5&6

233MHz

66MHz

3.5x

2 & 3

1 & 2

1 & 2

1 & 2

2&3, 5&6

2&3, 5&6

Note: Numbers designate pins that should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP14

JP23

 

3.38v

Pins 2 & 3 closed

Pins 1 & 2 closed

»

3.52v

Pins 1 & 2 closed

Pins 4 & 5 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP14

JP23

3.52v

2.8v

Pins 1 & 2 closed

Pins 5 & 6 closed

3.52v

2.9v

Pins 1 & 2 closed

Pins 2 & 3 closed