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PCI PENTIUM AL4

COMPUTREND SYSTEMS, INC.

PCI PENTIUM AL4

Processor

Pentium

Processor Speed

75/90/100/120MHz

Chip Set

ALI

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Turbo LED

JFP pins 12 & 13

Serial port 2

CN2

Turbo switch

JFP pins 15 - 17

Parallel port

CN3

Reset switch

JFP pins 19 & 20

Floppy drive interface

CN4

IDE interface LED

JFPA

IDE interface 2

CN5

Green PC connector (monitor)

JG1

IDE interface 1

CN6

Green PC LED

JG2

External battery

JB1

Green PC connector

JG3

Power LED & keylock

JFP pins 1 - 5

Chassis fan power

JP10

Speaker

JFP pins 7 - 10

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

JB1

Pins 2 & 3 closed

 

Battery type select external

JB1

Closed

 

CMOS memory clear

JB1

Pins 3 & 4 closed

»

Flash BIOS voltage select 12v

JP2

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP2

Pins 2 & 3 closed

»

Power good signal detect from board

JP5

Pins 2 & 3 closed

 

Power good signal detect from power supply

JP5

Pins 1 & 2 closed

 

IDE interface enabled

JP7

Open

 

IDE interface disabled

JP7

Closed

»

Factory configured - do not alter

JP8

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 512K x 36

(2) 256K x 36

6MB

(2) 256K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

10MB

(2) 256K x 36

(2) 1M x 36

12MB

(2) 1M x 36

(2) 512K x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

18MB

(2) 256K x 36

(2) 2M x 36

20MB

(2) 2M x 36

(2) 512K x 36

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 4M x 36

(2) 256K x 36

34MB

(2) 256K x 36

(2) 4M x 36

36MB

(2) 4M x 36

(2) 512K x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

66MB

(2) 8M x 36

(2) 256K x 36

66MB

(2) 256K x 36

(2) 8M x 36

68MB

(2) 8M x 36

(2) 512K x 36

68MB

(2) 512K x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K x 8

512KB

(8) 64K x 8

(1) 16K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS2

JS3

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 1 & 2 closed

Pins 2 & 3 closed

1MB

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JK1

JR1

75MHz

Open

Open

90MHz

Pins 1 & 2 closed

Open

100MHz

Pins 1 & 2, 3 & 4 closed

Open

120MHz

Pins 1 & 2 closed

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JP12

3.4v

Closed

3.5v

Open

DMA CONFIGURATION

DMA

CP2

CP3

CP4

CP5

DMA 1

Open

Closed

Open

Closed

DMA 3

Closed

Open

Closed

Open