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PENTIUM (P54C) PCI MAINBOARD

SOYO COMPUTER CO., LTD.

PENTIUM (P54C) PCI MAINBOARD

Processor

Pentium

Processor Speed

90/100MHz

Chip Set

Unidentified

Max. Onboard DRAM

512MB

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI bus slots (4), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J17

Green PC connector

J21

Speaker

J18

Green PC LED

J22

Reset switch

J19

32-bit PCI bus slots

SL1 - SL4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ppeline address disabled

J24

Open

 

Pipeline address enabled

J24

Closed

Cache type select write back

J29

Open

 

Cache type select write through

J29

Closed

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

CMOS memory normal operation

JP5

Open

 

CMOS memory clear

JP5

Closed

Factory configured - do not alter

JP36

Closed

Factory configured - do not alter

JP37

Closed

Factory configured - do not alter

JP38

Closed

Factory configured - do not alter

JP39

Open

Factory configured - do not alter

JP40

Open

Factory configured - do not alter

JP41

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

4MB

(2) 512K x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

68MB

(2) 512K x 36

(2) 8M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

NONE

256MB

(2) 16M x 36

(2) 16M x 36

256MB

(2) 32M x 36

NONE

512MB

(2) 32M x 36

(2) 32M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

256KB

(4) 32K x 8

(4) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

CACHE JUMPER CONFIGURATION

Size

J25

J26

256KB

pins 2 & 3 closed

pins 1 & 2 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP31

JP34

JP35

90MHz

Closed

Open

Open

100MHz

Open

Closed

Closed

PCI IRQ CONFIGURATION (IRQ 10)

PIRQ

J44

J51

PIRQ 0

Open

pins 1 & 2 closed

PIRQ 1

Open

pins 2 & 3 closed

PIRQ 2

pins 1 & 2 closed

Open

PIRQ 3

pins 2 & 3 closed

Open

PCI IRQ CONFIGURATION (IRQ 11)

PIRQ

J45

J52

PIRQ 0

Open

pins 1 & 2 closed

PIRQ 1

Open

pins 2 & 3 closed

PIRQ 2

pins 1 & 2 closed

Open

PIRQ 3

pins 2 & 3 closed

Open

PCI IRQ CONFIGURATION (IRQ 12)

PIRQ

J46

J53

PIRQ 0

Open

pins 1 & 2 closed

PIRQ 1

Open

pins 2 & 3 closed

PIRQ 2

pins 1 & 2 closed

Open

PIRQ 3

pins 2 & 3 closed

Open

PCI IRQ CONFIGURATION (IRQ 14)

PIRQ

J47

J54

PIRQ 0

Open

pins 1 & 2 closed

PIRQ 1

Open

pins 2 & 3 closed

PIRQ 2

pins 1 & 2 closed

Open

PIRQ 3

pins 2 & 3 closed

Open

PCI IRQ CONFIGURATION (IRQ 15)

PIRQ

J48

J55

PIRQ 0

Open

pins 1 & 2 closed

PIRQ 1

Open

pins 2 & 3 closed

PIRQ 2

pins 1 & 2 closed

Open

PIRQ 3

pins 2 & 3 closed

Open

HOST BUS PREQUENCY CONFIGURATION

Setting

J30

Full speed

Open

2/3 speed

pins 1 & 2 closed

1/2 speed

pins 2 & 3 closed