COMPUTREND SYSTEMS, INC.

PCI PENTIUM AL1 (586ALI)

Processor

Pentium

Processor Speed

60/66MHz

Chip Set

ALI

Max. Onboard DRAM

160MB

Cache

256/512/1024KB

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

32-bit PCI slots (4), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JB

Reset switch

JFP pins 19 & 20

Chassis fan power

JFAN

Green PC connector (monitor)

JG1

Power LED & keylock

JFP pins 1 - 5

Green PC LED

JG2

Speaker

JFP pins 7 - 10

Green PC connector

JG3

Turbo LED

JFP pins 12 & 13

32-bit PCI slots

PC1 - PC4

Turbo switch

JFP pins 15 - 17

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Power good signal detect from board

JP1

Pins 2 & 3 closed

 

Power good signal detect from power supply

JP1

Pins 1 & 2 closed

»

Flash BIOS voltage select 12v

JP2

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP2

Pins 2 & 3 closed

»

ADS normal operation

JP5

Pins 1 & 2 closed

 

ADS delay

JP5

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

2MB

(2) 256K x 36

NONE

NONE

4MB

(2) 256K x 36

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

NONE

6MB

(2) 256K x 36

(2) 512K x 36

NONE

8MB

(2) 512K x 36

(2) 512K x 36

NONE

10MB

(2) 1M x 36

(2) 256K x 36

NONE

12MB

(2) 512K x 36

(2) 1M x 36

NONE

14MB

(2) 256K x 36

(2) 512K x 36

(2) 1M x 36

16MB

(2) 1M x 36

(2) 1M x 36

NONE

16MB

(2) 2M x 36

NONE

NONE

18MB

(2) 2M x 36

(2) 256K x 36

NONE

18MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

20MB

(2) 1M x 36

(2) 1M x 36

(2) 512K x 36

20MB

(2) 2M x 36

(2) 512K x 36

NONE

22MB

(2) 2M x 36

(2) 512K x 36

(2) 256K x 36

24MB

(2) 2M x 36

(2) 1M x 36

NONE

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

26MB

(2) 2M x 36

(2) 1M x 36

(2) 256K x 36

28MB

(2) 2M x 36

(2) 1M x 36

(2) 512K x 36

32MB

(2) 4M x 36

NONE

NONE

32MB

(2) 2M x 36

(2) 2M x 36

NONE

34MB

(2) 4M x 36

(2) 256K x 36

NONE

38MB

(2) 4M x 36

(2) 256K x 36

(2) 512K x 36

40MB

(2) 4M x 36

(2) 1M x 36

NONE

40MB

(2) 4M x 36

(2) 512K x 36

(2) 512K x 36

42MB

(2) 4M x 36

(2) 1M x 36

(2) 256K x 36

44MB

(2) 4M x 36

(2) 1M x 36

(2) 512K x 36

48MB

(2) 4M x 36

(2) 2M x 36

NONE

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

50MB

(2) 4M x 36

(2) 2M x 36

(2) 256K x 36

52MB

(2) 4M x 36

(2) 2M x 36

(2) 512K x 36

56MB

(2) 4M x 36

(2) 2M x 36

(2) 1M x 36

64MB

(2) 8M x 36

NONE

NONE

64MB

(2) 4M x 36

(2) 4M x 36

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

66MB

(2) 8M x 36

(2) 256K x 36

NONE

66MB

(2) 4M x 36

(2) 4M x 36

(2) 256K x 36

68MB

(2) 8M x 36

(2) 512K x 36

NONE

68MB

(2) 4M x 36

(2) 4M x 36

(2) 512K x 36

70MB

(2) 8M x 36

(2) 256K x 36

(2) 512K x 36

72MB

(2) 8M x 36

(2) 512K x 36

(2) 512K x 36

74MB

(2) 8M x 36

(2) 1M x 36

(2) 256K x 36

76MB

(2) 8M x 36

(2) 512K x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

NONE

80MB

(2) 8M x 36

(2) 1M x 36

(2) 1M x 36

82MB

(2) 8M x 36

(2) 2M x 36

(2) 256K x 36

84MB

(2) 8M x 36

(2) 2M x 36

(2) 512K x 36

88MB

(2) 8M x 36

(2) 2M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 4M x 36

NONE

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

98MB

(2) 8M x 36

(2) 4M x 36

(2) 256K x 36

100MB

(2) 8M x 36

(2) 4M x 36

(2) 512K x 36

104MB

(2) 8M x 36

(2) 4M x 36

(2) 1M x 36

112MB

(2) 8M x 36

(2) 4M x 36

(2) 2M x 36

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

NONE

130MB

(2) 8M x 36

(2) 8M x 36

(2) 256K x 36

130MB

(2) 16M x 36

(2) 256K x 36

NONE

132MB

(2) 8M x 36

(2) 8M x 36

(2) 512K x 36

136MB

(2) 8M x 36

(2) 8M x 36

(2) 1M x 36

160MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K/16K/32K x 8

512KB

(8) 64K x 8

(1) 16K/32K x 8

1MB

(8) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

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

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

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

Speed

JK1

60MHz

Open

66MHz

Closed