SOYO TECHNOLOGY COMPANY, LTD.

PENTIUM (P54C) EISA 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 slots (4)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J17

Turbo LED

J22

Speaker

J18

32-bit PCI slots

PCI1 - PCI4

Reset switch

J19

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

»

Pipeline mode disabled

JP7

Open

 

Pipeline mode enabled

JP7

Closed

»

CPU cache type select write back

JP12

Open

 

CPU cache type select write through

JP12

Closed

»

Single processor enabled

JP16

pins 1 & 2 closed

 

Dual processor enabled

JP16

pins 2 & 3 closed

DRAM 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

6MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

8MB

(2) 512K x 36

(2) 512K x 36

NONE

8MB

(2) 1M x 36

NONE

NONE

12MB

(2) 512K x 36

(2) 512K x 36

(2) 512K x 36

12MB

(2) 1M x 36

(2) 512K x 36

NONE

16MB

(2) 1M x 36

(2) 512K x 36

(2) 512K x 36

16MB

(2) 1M x 36

(2) 1M x 36

NONE

16MB

(2) 2M x 36

NONE

NONE

20MB

(2) 1M x 36

(2) 1M x 36

(2) 512K x 36

20MB

(2) 2M x 36

(2) 512K x 36

NONE

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 512K x 36

(2) 512K x 36

24MB

(2) 2M x 36

(2) 1M x 36

NONE

32MB

(2) 4M x 36

NONE

NONE

32MB

(2) 2M x 36

(2) 2M x 36

NONE

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M 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

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 8M x 36

NONE

NONE

64MB

(2) 4M x 36

(2) 4M x 36

NONE

64MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

68MB

(2) 512K x 36

(2) 8M x 36

NONE

80MB

(2) 2M x 36

(2) 8M x 36

NONE

96MB

(2) 8M x 36

(2) 4M x 36

NONE

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

NONE

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 16M x 36

NONE

NONE

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

256MB

(2) 16M x 36

(2) 16M x 36

NONE

256MB

(2) 32M x 36

NONE

NONE

384MB

(2) 16M x 36

(2) 16M x 36

(2) 16M x 36

512MB

(2) 32M x 36

(2) 32M x 36

NONE

DRAM VOLTAGE CONFIGURATION

Setting

J4

J5

J6

J7

J8

J9

3.33v SRAM

Closed

Closed

Closed

Open

Open

Open

Mixed SRAM

Open

Open

Open

Closed

Closed

Closed

CACHE CONFIGURATION

Size

Bank 1

256KB

(8) 32K x 8

512KB

(8) 64K x 8

CACHE JUMPER CONFIGURATION

Size

JP15

256KB

pins 2 & 3 closed

512KB

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP9

JP10

JP11

90MHz

Open

Closed

Open

100MHz

Closed

Open

Closed

BIOS CONFIGURATION

Setting

JP40

JP41

EPROM

pins 1 & 2 closed

pins 1 & 2 closed

Flash

pins 2 & 3 closed

pins 2 & 3 closed

PCI IRQ CONFIGURATION

Setting

JP30

JP31

JP32

JP33

IRQ9/PIRQ0

pins 1 & 2 closed

Open

Open

Open

IRQ9/PIRQ1

pins 2 & 3 closed

Open

Open

Open

IRQ10/PIRQ0

Open

pins 1 & 2 closed

Open

Open

IRQ10/PIRQ1

Open

pins 2 & 3 closed

Open

Open

IRQ14/PIRQ0

Open

Open

pins 1 & 2 closed

Open

IRQ14/PIRQ1

Open

Open

pins 2 & 3 closed

Open

IRQ15/PIRQ0

Open

Open

Open

pins 1 & 2 closed

IRQ15/PIRQ1

Open

Open

Open

pins 2 & 3 closed

PCI IRQ CONFIGURATION

Setting

JP34

JP35

JP36

JP37

IRQ9/PIRQ2

pins 1 & 2 closed

Open

Open

Open

IRQ9/PIRQ3

pins 2 & 3 closed

Open

Open

Open

IRQ10/PIRQ2

Open

pins 1 & 2 closed

Open

Open

IRQ10/PIRQ3

Open

pins 2 & 3 closed

Open

Open

IRQ14/PIRQ2

Open

Open

pins 1 & 2 closed

Open

IRQ14/PIRQ3

Open

Open

pins 2 & 3 closed

Open

IRQ15/PIRQ2

Open

Open

Open

pins 1 & 2 closed

IRQ15/PIRQ3

Open

Open

Open

pins 2 & 3 closed