EFA CORPORATION

P54CSPIO

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Auxiliary keyboard & PS/2 mouse

J1

IDE interface LED

J11

Parallel port

J2

Power LED & keylock

J12

Serial port 2

J3

Turbo LED

J13

Serial port 1

J4

Speaker

J14

Floppy drive interface

J6

IR function connector

J17

IDE interface - secondary

J7

Reset switch

JP20

IDE interface - primary

J8

Turbo switch

JP21

3.3v CPU connector

J9

32-bit PCI slots

PC1 - PC4

External battery

J10

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP1

N/A

»

Factory configured - do not alter

JP2

N/A

»

Factory configured - do not alter

JP3

N/A

»

IDE disabled - controlled by Sostware

JP4

Closed

 

IDE enabled

JP4

Open

»

On board IDE is primary

JP5

Closed

 

Other IDE is primary

JP5

Open

»

On board IDE is secondary

JP6

Closed

 

Other IDE is secondary

JP6

Open

»

Factory configured - do not alter

JP13

N/A

»

Factory configured - do not alter

JP16

Open

»

Factory configured - do not alter

JP17

pins 2 & 3 closed

»

Factory configured - do not alter

JP18

pins 2 & 3 closed

»

BIOS type select EPROM

JP22

pins 1 & 2 closed

 

BIOS type select flash BIOS

JP22

pins 2 & 3 closed

»

Factory configured - do not alter

JP23

Closed

»

CMOS memory normal operation

JP24

Open

 

CMOS memory clear

JP24

Closed

»

Monitor type select color

JP25

Closed

 

Monitor type select monochrome

JP25

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

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

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

72MB

(2) 1M 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

DRAM JUMPER CONFIGURATION

Bank 0

Bank 1

JP7

JP8

Single side

Single side

pins 1 & 2 closed

pins 1 & 2 closed

Double side

Double side

pins 2 & 3 closed

pins 2 & 3 closed

Double side

Single side

pins 2 & 3 closed

pins 2 & 3 closed

Single side

Double side

pins 1 & 2 closed

pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 32K x 8

512KB

(8) 64K x 8

(1) 64K x 8

1MB

(8) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP14

JP15

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 CONFIGURATION

System speed

CPU speed

JP11

JP12

JP19

50MHz

75MHz

pins 1 & 2 closed

pins 1 & 2 closed

Open

50MHz

100MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

60MHz

90MHz

pins 1 & 2 closed

pins 2 & 3 closed

Open

66MHz

100MHz

pins 2 & 3 closed

pins 2 & 3 closed

Open

DMA CONFIGURATION

DMA channel

JP9

JP10

Channel 3

pins 2 & 3 closed

pins 2 & 3 closed

Channel 5

pins 1 & 2 closed

pins 1 & 2 closed