EPOX COMPUTER CO., LTD.

P54C-SP

Device Type

Mainboard

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

SIS 501

Maximum Onboard Memory

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), Legacy connector

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Green PC LED

J6

Speaker

J2

CPU fan power

J7

Reset switch

J3

32-bit PCI slots

PC1 – PC4

Turbo switch

J4

Legacy connector

W1

Turbo LED

J5

   


USER CONFIGURABLE SETTINGS

Function

Label

Position

 

BIOS type select flash BIOS

JP6

Pins 1 & 2, 5 & 6 closed

 

BIOS type select EPROM

JP6

Pins 2 & 3, 4 & 5 closed


SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

2MB

(2) 256K x 36

None

None

4MB

(2) 256K x 36

(2) 256K x 36

None

4MB

(2) 512K x 36

None

None

8MB

(2) 512K x 36

(2) 512K x 36

None

10MB

(2) 1M x 36

(2) 256K x 36

None

12MB

(2) 512K x 36

(2) 1M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

(2) 2M x 36

None

None

18MB

(2) 2M x 36

(2) 256K x 36

None

18MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

20MB

(2) 1M x 36

(2) 1M x 36

(2) 512K x 36

20MB

(2) 2M x 36

(2) 512K x 36

None

22MB

(2) 2M x 36

(2) 512K x 36

(2) 256K x 36

24MB

(2) 2M x 36

(2) 1M x 36

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

26MB

(2) 2M x 36

(2) 1M x 36

(2) 256K x 36

28MB

(2) 2M x 36

(2) 1M x 36

(2) 512K x 36

32MB

(2) 4M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

34MB

(2) 4M x 36

(2) 256K x 36

None

38MB

(2) 4M x 36

(2) 256K x 36

(2) 512K x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

40MB

(2) 4M x 36

(2) 512K x 36

(2) 512K x 36

42MB

(2) 4M x 36

(2) 1M x 36

(2) 256K x 36

44MB

(2) 4M x 36

(2) 1M x 36

(2) 512K x 36

48MB

(2) 4M x 36

(2) 2M x 36

None

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

50MB

(2) 4M x 36

(2) 2M x 36

(2) 256K x 36

52MB

(2) 4M x 36

(2) 2M x 36

(2) 512K x 36

56MB

(2) 4M x 36

(2) 2M x 36

(2) 1M x 36

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

66MB

(2) 8M x 36

(2) 256K x 36

None

66MB

(2) 4M x 36

(2) 4M x 36

(2) 256K x 36


SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

68MB

(2) 8M x 36

(2) 512K x 36

None

68MB

(2) 4M x 36

(2) 4M x 36

(2) 512K x 36

70MB

(2) 8M x 36

(2) 256K x 36

(2) 512K x 36

72MB

(2) 8M x 36

(2) 512K x 36

(2) 512K x 36

74MB

(2) 8M x 36

(2) 1M x 36

(2) 256K x 36

76MB

(2) 8M x 36

(2) 512K x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

None

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

82MB

(2) 8M x 36

(2) 2M x 36

(2) 256K x 36

84MB

(2) 8M x 36

(2) 2M x 36

(2) 512K x 36

88MB

(2) 8M x 36

(2) 2M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 4M x 36

None

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

98MB

(2) 8M x 36

(2) 4M x 36

(2) 256K x 36

100MB

(2) 8M x 36

(2) 4M x 36

(2) 512K x 36

104MB

(2) 8M x 36

(2) 4M x 36

(2) 1M x 36

112MB

(2) 8M x 36

(2) 4M x 36

(2) 2M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None


CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(4) 32K x 8

None

(2) 8K x 8

512KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 8

1MB

(4) 64K x 8

(4) 64K x 8

(2) 32K x 8


CACHE JUMPER CONFIGURATION

Size

JP12

JP13

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JPS1

JPS2

75MHz

50MHz

1.5x

Open

Open

90MHz

60MHz

1.5x

Open

Closed

100MHz

66MHz

1.5x

Closed

Closed