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SI54A Motherboard Settings and Configuration






RELIALOGIC CORPORATION PRIVATE, LTD.

SI54A

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

J4

Reset switch

J11

Serial port 1

J5

Speaker

J12

Serial port 2

J6

Power LED & keylock

J13

Floppy drive interface

J7

Turbo LED

LED1

IDE interface (secondary)

J8

IDE interface LED

LED2

IDE interface (primary)

J9

32-bit PCI slots

PCI - PC4

Turbo switch

J10

   

Note: The location of LED1 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

On board I/O enabled

JP3

pins 1 & 2 closed

 

On board I/O disabled

JP3

pins 2 & 3 closed

IDE interface enabled

JP4

Open

 

IDE interface disabled

JP4

Closed

Parity check enabled

JP5

Closed

 

Parity check disabled

JP5

Open

Factory configured - do not alter

JP9

N/A

Cache invalidation select always invalidated

JP13

pins 1 & 2 closed

 

Cache invalidation select writes to invalidated

JP13

pins 2 & 3 closed

Cache write select write back

JP14

pins 1 & 2 closed

 

Cache write select write through

JP14

pins 2 & 3 closed

Factory configured - do not alter

JP15

N/A

Factory configured - do not alter

JP16

N/A

Factory configured - do not alter

JP17

N/A

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

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

NONE

DRAM JUMPER CONFIGURATION

Type

JP7

Single side SIMMs only

pins 2 & 3 closed

Bank 0 = single side SIMMs & Bank 1 = double side SIMMs

pins 1 & 2, 3 & 4 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(4) 32K x 8

(4) 32K x 8

(2) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(2) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(2) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP11

JP12

256KB

Open

Open

512KB

Closed

Closed

1MB

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JP8

75MHz

pins 2 & 3, 5 & 6, 7 & 8 closed

90MHz

pins 2 & 3, 4 & 5, 8 & 9 closed

100MHz

pins 1 & 2, 5 & 6, 7 & 8 closed

BIOS CONFIGURATION

Type

JP6

EPROM

pins 1 & 2 closed

Flash 5v

pins 1 & 2 closed

Flash 12v

pins 2 & 3 closed

DACK/DRQ CONFIGURATION

DACK/DRQ

JP1

JP2

DACK1/DRQ1

pins 1 & 2 closed

pins 2 & 3 closed

DACK3/DRQ3

pins 2 & 3 closed

pins 1 & 2 closed








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