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PREMIO PCI 486AL3

COMPUTREND SYSTEMS, INC.

PREMIO PCI 486AL3

Processor

80486SX/SL80486SX/AM486DX/80486DX/SL80486DX/TICXDX2/CX486DX2/ AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/80486DX4/ P24D/P24T

Processor Speed

25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)/133(internal)/160(internal)MHz

Chip Set

ALI

Max. Onboard DRAM

64MB

Cache

128/256KB

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

32-bit PCI slots (3), 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

Power LED & keylock

JFP pins 1 - 5

Serial port 2

CN2

Speaker

JFP pins 7 - 10

Floppy drive interface

CN3

Turbo LED

JFP pins 12 & 13

Parallel port

CN4

Turbo switch

JFP pins 15 - 17

IDE interface 2

CN5

Reset switch

JFP pins 19 & 20

IDE interface 1

CN6

IDE interface LED

JFPA

Chassis fan power

FAN

Green PC connector

JG1

External battery

JBAT

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Parallel port IRQ select 378H or 3BCH

JIRQ

Pins 1 & 2 closed

 

Parallel port IRQ select 278H

JIRQ

Pins 2 & 3 closed

Factory configured - do not alter

JS3

N/A

Note: JIRQ may not be present on all boards. The location is unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(1) 1M x 36

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

8MB

(1) 2M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 2M x 36

NONE

16MB

(1) 4M x 36

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

16MB

(1) 1M x 36

(1) 2M x 36

(1) 1M x 36

20MB

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

24MB

(1) 4M x 36

(1) 2M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

32MB

(1) 8M x 36

NONE

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

40MB

(1) 2M x 36

(1) 8M x 36

NONE

40MB

(1) 4M x 36

(1) 2M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 8M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

64MB

(1) 4M x 36

(1) 8M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

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

256KB (A)

(4) 32K x 8

(4) 32K x 8

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

256KB (B)

(4) 64K x 8

NONE

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

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS4

128KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

256KB (A)

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB (B)

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC4

JC5

80486SX

Open

Open

Open

1 & 2

2 & 3

SL80486SX

Open

Open

Open

1 & 2

2 & 3

AM486DX

Open

Open

Open

2 & 3

1 & 2

80486DX

Open

Open

Open

2 & 3

1 & 2

SL80486DX

Open

Open

Open

2 & 3

1 & 2

ticxdx2

Open

Closed

Open

2 & 3

1 & 2

CX486DX2

Open

Closed

Open

2 & 3

1 & 2

AM486DX2

Open

Open

Open

2 & 3

1 & 2

(SL)AM486DX2

Open

Open

Open

2 & 3

1 & 2

(SL)AM486DX2 (WB)

1 & 2, 3 & 4

Open

Open

2 & 3

1 & 2

80486DX2

Open

Open

Open

2 & 3

1 & 2

SL80486DX2

Open

Open

Open

2 & 3

1 & 2

AM486DX4

Open

Open

Open

2 & 3

1 & 2

AM486DX4 (WB)

1 & 2, 3 & 4

Open

Open

2 & 3

1 & 2

80486DX4

Open

Open

Open

2 & 3

1 & 2

P24D

1 & 2, 3 & 4

Open

Open

2 & 3

1 & 2

P24T

1 & 2, 3 & 4

Open

Open

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONT)

Type

RN1

RN2

RN3

80486SX

pins 1 - 10 installed

Not installed

Not installed

SL80486SX

pins 3 - 12 installed

Not installed

Not installed

AM486DX

pins 1 - 10 installed

Not installed

Not installed

80486DX

pins 1 - 10 installed

Not installed

Not installed

SL80486DX

pins 3 - 12 installed

Not installed

Not installed

ticxdx2

Not installed

Installed

Not installed

CX486DX2

Not installed

Installed

Not installed

AM486DX2

pins 1 - 10 installed

Not installed

Not installed

(SL)AM486DX2

pins 1 - 10 installed

Not installed

Not installed

(SL)AM486DX2 (WB)

pins 5 - 14 installed

Not installed

Not installed

80486DX2

pins 1 - 10 installed

Not installed

Not installed

SL80486DX2

pins 3 - 12 installed

Not installed

Not installed

AM486DX4

pins 1 - 10 installed

Not installed

Not installed

AM486DX4 (WB)

pins 5 - 14 installed

Not installed

Not installed

80486DX4

pins 3 - 12 installed

Not installed

Not installed

P24D

pins 5 - 14 installed

Not installed

Not installed

P24T

pins 5 - 14 installed

Not installed

Not installed

CPU SPEED CONFIGURATION

Speed

JK1

JK2

25MHz

Open

Pins 1 & 2 closed

33MHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

40MHz

Pins 1 & 2 closed

Pins 2 & 3, 4 & 5 closed

50iMHz

Open

Pins 1 & 2 closed

66iMHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

75iMHz

Open

Pins 1 & 2 closed

80iMHz

Pins 1 & 2 closed

Pins 2 & 3, 4 & 5 closed

100iMHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

120iMHz

Pins 1 & 2 closed

Pins 2 & 3, 4 & 5 closed

133iMHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

160iMHz

Pins 1 & 2 closed

Pins 2 & 3, 4 & 5 closed

CPU VOLTAGE CONFIGURATION

Voltage

JP1

JV1

3v

Open

Open

 

4v

Closed

Open

 

5v

Open

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

DMA CONFIGURATION

DMA

JP3

JP4

DMA 1

Pins 2 & 3 closed

Pins 2 & 3 closed

DMA 3

Pins 1 & 2 closed

Pins 1 & 2 closed