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SI54P VIO

ELITEGROUP COMPUTER SYSTEMS, INC.

SI54P VIO

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

J1

3.3v connector

J14

Serial port 2

J2

IDE interface LED

JP15

Serial port 1

J3

Turbo LED

JP21 pins 2 - 3

VGA port

J5

Green PC connector

JP21 pins 4 - 5

PS/2 mouse port

J6

Turbo switch

JP21 pins 6 - 7

VGA feature connector

J8

Reset switch

JP21 pins 9 - 10

Floppy drive interface

J11

Power LED & keylock

JP21 pins 11 - 15

IDE interface (secondary)

J12

Speaker

JP21 pins 17 - 20

IDE interface (primary)

J13

Riser Card

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Video memory type select fast page mode

JP1

pins 1 & 2 closed

 

Video memory type select extended data out mode

JP1

pins 2 & 3 closed

SMC 37C665 signal enabled

JP4

pins 1 & 2 closed

 

SMC 37C665 signal disabled

JP4

pins 2 & 3 closed

BIOS type select EPROM

JP5

Open

 

BIOS type select 5v flash

JP5

pins 1 & 2 closed

 

BIOS type select 12v flash

JP5

pins 2 & 3 closed

CMOS memory normal operation

JP6

Open

 

CMOS memory clear

JP6

Closed

Parity check enabled

JP12

pins 2 & 3 closed

 

Parity check disabled

JP12

pins 1 & 2 closed

IDE interface enabled

JP13

Open

 

IDE interface disabled

JP13

Closed

DRAM type select single side in both banks

JP14

pins 2 & 3 closed

 

DRAM type select double side in bank 2 & single side in bank 1

JP14

pins 1 & 2, 3 & 4 closed

Cache type select write back

JP17

pins 1 & 2 closed

 

Cache type select write through

JP17

pins 2 & 3 closed

CPU write to always

JP18

pins 1 & 2 closed

 

CPU write to invalidate

JP18

pins 2 & 3 closed

CPU next address disabled

JP19

pins 1 & 2 closed

 

CPU next address enabled

JP19

pins 2 & 3 closed

Factory configured - do not alter

JP20

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

36MB

(2) 512K 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

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

JP10

JP11

256KB

Open

Open

512KB

Closed

Open

1MB

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JP16

75MHz

pins 1 & 2 closed

90MHz

pins 1 & 2, 5 & 6 closed

100MHz

pins 1 & 2, 3 & 4, 5 & 6 closed

DACK/DRQ CONFIGURATION

DACK/DRQ

JP8

JP9

DACK1/DRQ1

pins 1 & 2 closed

pins 1 & 2 closed

DACK3/DRQ3

pins 2 & 3 closed

pins 2 & 3 closed