HwMuseum | Index

GEMLIGHT COMPUTER, LTD.

GMB-P57IAA (VER. 1.00)

Processor

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

Processor Speed

90/100/120/133/150/166/200/233/266MHz

Chip Set

Intel

Video Chip Set

ATI

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

4MB

Cache

256/512KB

BIOS

Award

Dimensions

304mm x 245mm

I/O Options

32-bit PCI slots (3), floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, USB connectors (2), ATX power connector, microphone in, line in, speaker out, AMC/VFC connector, TV out connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Parallel port

CN7

TV out connector

C1

USB connector 1

CN8

AMC/VFC connector

C2

USB connector 2

CN9

Game/MIDI port

CN1

PS/2 mouse port

CN10

Microphone in

CN2

IDE interface 1

CN11

Line in

CN3

IDE interface 2

CN12

Speaker out

CN4

Floppy drive interface

CN13

VGA port

CN5

Serial port 2

CN14

Serial port 1

CN6

32-bit PCI slots

PCI – PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Flash BIOS voltage select 12v

JP4

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP4

Pins 2 & 3 closed

 

VGA IRQ enabled

JP10

Pins 2 & 3 closed

 

VGA IRQ disabled

JP10

Pins 1 & 2 closed

 

On board video enabled

JP11

Pins 2 & 3 closed

 

On board video disabled

JP11

Pins 1 & 2 closed

»

Factory configured - do not alter

JP15

Open

 

Ring in select COM1

JP21

Pins 2 & 3 closed

 

Ring in select COM2

JP21

Pins 1 & 2 closed

 

On board audio enabled

JP22

Closed

 

On board audio disabled

JP22

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

None

16MB

(2) 2M x 32

None

16MB

(2) 1M x 32

(2) 1M x 32

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 4M x 32

None

32MB

(2) 2M x 32

(2) 2M x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 8M x 32

None

64MB

(2) 4M x 32

(2) 4M x 32

72MB

(2) 8M x 32

(2) 1M x 32

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

128MB

(2) 16M x 32

None

136MB

(2) 16M x 32

(2) 1M x 32

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

144MB

(2) 16M x 32

(2) 2M x 32

160MB

(2) 16M x 32

(2) 4M x 32

192MB

(2) 16M x 32

(2) 8M x 32

256MB

(2) 16M x 32

(2) 16M x 32

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 0

Bank 1

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

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

VIDEO MEMORY CONFIGURATION

Note: Board accepts 1MB/2MB/4MB video memory. The configuration is unidentified.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

133MHz

55MHz

2x

Off

On

On

Off

150MHz

60MHz

2x

Off

On

On

Off

166MHz

66MHz

2x

Off

On

On

On

CPU SPEED SELECTION (CX 6X86, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

133MHz

55MHz

2x

Off

On

On

Off

150MHz

60MHz

2x

Off

On

Off

Off

166MHz

66MHz

2x

Off

On

Off

Off

CPU SPEED SELECTION (CX 6X86L/MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

166MHz

66MHz

2x

Off

On

On

Off

200MHz

75MHz

2x

Off

On

On

Off

CPU SPEED SELECTION (CX 6X86L/MX, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

166MHz

66MHz

2x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

On

Off

Off

120MHz

60MHz

1.5x

Off

On

Off

Off

133MHz

66MHz

2x

Off

On

On

Off

150MHz

60MHz

1.5x

Off

On

Off

Off

166MHz

66MHz

2.5x

Off

On

On

On

CPU SPEED SELECTION (AM K5, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

1.5x

Off

On

Off

Off

133MHz

66MHz

2x

Off

Off

Off

Off

150MHz

60MHz

1.5x

Off

Off

Off

Off

166MHz

66MHz

2.5x

Off

Off

Off

Off

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

166MHz

66MHz

2.5x

Off

On

On

On

200MHz

66MHz

3x

Off

On

Off

On

233MHz

66MHz

3.5x

Off

On

Off

Off

CPU SPEED SELECTION (AM K6, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

166MHz

66MHz

2.5x

Off

Off

Off

Off

200MHz

66MHz

3x

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

On

Off

Off

120MHz

60MHz

2x

Off

On

On

Off

133MHz

66MHz

2x

Off

On

On

Off

150MHz

60MHz

2.5x

Off

On

On

On

166MHz

66MHz

2.5x

Off

On

On

On

200MHz

66MHz

3x

Off

On

Off

On

233MHz

66MHz

3.5x

Off

On

Off

Off

266MHz

66MHz

3.5x

Off

On

Off

Off

CPU SPEED SELECTION (INTEL, CON’T)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

90MHz

60MHz

1.5x

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

On

Off

Off

133MHz

66MHz

2x

Off

Off

Off

Off

150MHz

60MHz

2.5x

Off

On

Off

Off

166MHz

66MHz

2.5x

Off

Off

Off

Off

200MHz

66MHz

3x

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

266MHz

66MHz

3.5x

Off

Off

Off

Off

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP18

JP19

3.3v

Open

1 & 2, 5 & 6, 7 & 8

3.5v

Open

1 & 2, 3 & 4, 5 & 6, 7 & 8

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP18

JP19

3.3v

2.8v

1 & 3, 2 & 4

7 & 8

3.3v

2.9v

1 & 3, 2 & 4

1 & 2, 7 & 8

3.3v

3.2v

1 & 3, 2 & 4

5 & 6, 7 & 8

Note: Pins designated should be in the closed position.