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GMB-P54SPS (VER. 2.00)

GEMLIGHT COMPUTER, LTD.

GMB-P54SPS (VER. 2.00)

Processor

CX M1/Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

SIS

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512/1024KB

BIOS

Award

Dimensions

270mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

J1

IDE interface 1

J9

IDE interface LED

J2

Serial port 1

J12

Power LED & keylock

J3

Serial port 2

J13

Speaker

J4

Game interface

J14

Turbo switch

J5

Parallel port

J15

Turbo LED

J6

Floppy drive interface

J16

Reset switch

J7

Green PC connector

JP11

IDE interface 2

J8

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP1

Pins 1 & 2 closed

 

CMOS memory clear

JP1

Pins 2 & 3 closed

»

Cache write cycle invalid during write cycle

JP4

Pins 2 & 3 closed

 

Cache write cycle always invalid

JP4

Pins 1 & 2 closed

»

CPU pipeline mode disabled

JP5

Pins 1 & 2 closed

 

CPU pipeline mode enabled

JP5

Pins 2 & 3 closed

»

CPU internal cache write select write back

JP6

Pins 1 & 2 closed

 

CPU internal cache write select write through

JP6

Pins 2 & 3 closed

»

Monitor type select color

JP12

Closed

 

Monitor type select monochrome

JP12

Open

»

Parallel port IRQ select IRQ7

JP18

Pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP18

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

4MB

(2) 512K x 36

None

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 2M x 36

(2) 512K 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

34MB

(2) 4M x 36

(2) 256K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

36MB

(2) 4M x 36

(2) 512K x 36

40MB

(2) 1M x 36

(2) 4M 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

66MB

(2) 8M x 36

(2) 256K x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 16M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory. Banks are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K/16K x 8

512KB

(8) 64K x 8

(1) 16K/32K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

Open

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

Closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP0

S0

S1

S2

75MHz

50MHz

1.5x

1 & 2

Open

Open

Closed

90MHz

60MHz

1.5x

1 & 2

Open

Closed

Open

100MHz

66MHz

1.5x

1 & 2

Closed

Open

Closed

120MHz

60MHz

2x

2 & 3

Open

Closed

Open

133MHz

66MHz

2x

2 & 3

Closed

Open

Closed

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP01

CX M1

Closed

P54C/CS/C-VR

Closed

P54CT/C-VRE

Open

DMA CHANNEL SELECTION

Channel

JP22

JP23

»

Printer

Open

Open

 

1

Pins 1 & 3 closed

Pins 1 & 3 closed

 

3

Pins 2 & 4 closed

Pins 2 & 4 closed

BIOS SELECTION

Type

JP2

JP3

»

EPROM

Pins 2 & 3 closed

Pins 2 & 3 closed

 

12v flash

Pins 1 & 2 closed

Pins 1 & 2 closed

 

5v flash

Pins 2 & 3 closed

Pins 1 & 2 closed