54CDP REV. 2.21 Motherboard Settings and Configuration

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166MHz

Chip Set

Intel

Max. Onboard DRAM

512MB

Cache

256/512KB

BIOS

AMI

Dimensions

331mm x 221mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Turbo LED

JC1

Serial port 1

CN2

Speaker

JC2

PS/2 mouse interface

CN3

Turbo switch

JC3

Parallel port

CN4

Power LED & keylock

JC4

Floppy drive interface

CN5

SCSI interface LED

JC5

SCSI-2 interface

CN7

Reset switch

JC6

Wide SCSI-2 interface

CN8

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JS2

Open

CMOS memory clear

JS2

Closed

»

Parallel port IRQ select IRQ7

JS5

pins 1 & 2 closed

Parallel port IRQ select IRQ5

JS5

pins 2 & 3 closed

»

Flash BIOS mode select programming mode

JS15

pins 1 & 2 closed

Flash BIOS mode select normal mode

JS15

pins 2 & 3 closed

»

Factory configured - do not alter

JS16

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

6MB

(2) 256K x 36

(2) 512K x 36

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) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

18MB

(2) 256K x 36

(2) 2M x 36

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

34MB

(2) 256K x 36

(2) 4M 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

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 512K x 36

(2) 8M x 36

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

192MB

(2) 16M x 36

(2) 8M x 36

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

256KB

(8) 32K x 8

512KB

(8) 64K x 8

CACHE JUMPER CONFIGURATION

Size

JS13

256KB

pins 1 & 2 closed

512KB

pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION

Voltage

JS18

JS19

3.3v

pins 1 & 2 closed

pins 1 & 2 closed

3.3v/5v mixed

pins 2 & 3 closed

pins 2 & 3 closed

CPU CONFIGURATION

Setting

JS12

»

Single CPU installed

Closed

»

Dual CPU's installed

Open

CPU SPEED CONFIGURATION

Speed

JS11

JS20

JS21

JS22

JS23

75MHz

Open

Open

Open

Closed

Open

90MHz

Open

Open

Closed

Open

Open

100MHz

Open

Closed

Closed

Open

Open

120MHz

Closed

Open

Closed

Open

Open

133MHz

Closed

Closed

Closed

Open

Open

150MHz

Closed

Open

Closed

Open

Closed

166MHz

Closed

Closed

Closed

Open

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JS17

»

3.37v

pins 2 & 3 closed

»

3.53v

pins 1 & 2 closed

ECP MODE CONFIGURATION

DMA

JS4

JS6

JS7

»

Normal mode

Open

Open

Open

»

DMA 1

Closed

pins 1 & 2 closed

pins 1 & 2 closed

»

DMA 3

Closed

pins 2 & 3 closed

pins 2 & 3 closed

FLOPPY DRIVE CONFIGURATION

Mode

JS1

JS3

»

Normal floppy mode

Open

Open

»

Enhanced floppy mode

pins 2 & 3 closed

Closed

SCSI BUS CONFIGURATION

Type

JS10

»

8-bit ultra fast SCSI

Open

»

8-bit/16-bit ultra fast-wide SCSI

Closed

»

16-bit ultra fast-wide SCSI

Closed

PCI SCSI CONFIGURATION

Setting

JS24

Shared with PCI slot #1

pins 1 & 3, 2 & 4 closed

Shared with PCI slot #4

pins 3 & 5, 4 & 6 closed

PCI SCSI IRQ CONFIGURATION

IRQ

JS8

»

IRQ0

pins 1 & 3 closed

IRQ1

pins 3 & 5 closed

»

IRQ2

pins 2 & 4 closed

»

IRQ3

pins 4 & 6 closed

MISCELLANEOUS TECHNICAL NOTE

Note: The location of some of the pin 1's are unidentified.