...because we can't all be on the bleeding edge...





PM486PU-S3 PCI

UNIDENTIFIED

PM486PU-S3 PCI

Processor

CX486SX/UMC486SX/80486SX/CX486DX/AM486DX/80486DX/CX486DX2/ AM486DX2/80486DX2/CX486DX4/AM486DX4/AM486DX4(WB)/80486DX4/ P24D/Pentium Overdrive/CXM1

Processor Speed

20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz

Chip Set

UMC

Max. Onboard DRAM

64MB

Cache

128/256/512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

CN1

Green PC connector

JP1

Serial port 2

CN2

Turbo switch

JP2

Serial port 1

CN3

Turbo LED

JP3

Parallel port

CN4

Reset switch

JP4

Floppy drive interface

CN5

Speaker

JP5

IDE interface 2

CN6

Power LED & keylock

JP6

IDE interface 1

CN7

32-bit PCI slots

PC1 - PC3

IDE interface LED

J1

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

Factory configured - do not alter

J20

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

NONE

2MB

(1) 256K x 36

(1) 256K x 36

2MB

(1) 512K x 36

NONE

3MB

(1) 256K x 36

(1) 512K x 36

4MB

(1) 512K x 36

(1) 512K x 36

4MB

(1) 1M x 36

NONE

5MB

(1) 256K x 36

(1) 1M x 36

6MB

(1) 512K x 36

(1) 1M x 36

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

NONE

10MB

(1) 512K x 36

(1) 2M x 36

12MB

(1) 1M x 36

(1) 2M x 36

16MB

(1) 2M x 36

(1) 2M x 36

20MB

(1) 1M x 36

(1) 4M x 36

24MB

(1) 2M x 36

(1) 4M x 36

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

40MB

(1) 2M x 36

(1) 8M x 36

48MB

(1) 4M x 36

(1) 8M x 36

64MB

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K or (1) 32K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J8

128KB

Open

256KB

pins 1 & 2 closed

512KB

pins 1 & 2, 3 & 4 closed

CPU TYPE CONFIGURATION

Type

J2

J3

J5

J6

J7

CX486SX

2 & 3

1 & 2

Open

1 & 2, 3 & 4

3 & 4

UMC486SX

1 & 2

2 & 3

Open

Open

1 & 2

80486SX

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4

CX486DX

2 & 3

1 & 2

Open

1 & 2, 3 & 4

3 & 4

AM486DX

1 & 2

2 & 3

Open

Open

1 & 2

80486DX

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4

CX486DX2

2 & 3

1 & 2

Open

1 & 2, 3 & 4

3 & 4

AM486DX2

1 & 2

2 & 3

2 & 3

Open

1 & 2

80486DX2

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4

CX486DX4

2 & 3

1 & 2

Open

1 & 2, 3 & 4

3 & 4

AM486DX4

1 & 2

2 & 3

Open

Open

1 & 2

AM486DX4 (WB)

1 & 2

2 & 3

2 & 3

Open

1 & 2

80486DX4

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4

P24D

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4

P24T

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4, 5 & 6

CXM1

1 & 2

1 & 2

Open

2 & 3, 4 & 5

3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

J9

J10

J12

J13

J14

CX486SX

Open

2 & 3

Open

Open

Open

UMC486SX

1 & 2, 3 & 4

3 & 4

Open

Open

Open

80486SX

Open

Open

Open

Open

Open

CX486DX

3 & 4

2 & 3

Open

Open

Open

AM486DX

1 & 2, 3 & 4

3 & 4

Open

Open

Open

80486DX

3 & 4

Open

Open

Open

Open

CX486DX2

3 & 4

2 & 3

Open

Open

Open

AM486DX2

1 & 2, 3 & 4

3 & 4

Open

Open

Open

80486DX2

3 & 4

Open

Open

Open

Open

CX486DX4

3 & 4

2 & 3

Open

Open

Open

AM486DX4

1 & 2, 3 & 4

3 & 4

Open

Open

Open

AM486DX4 (WB)

1 & 2, 3 & 4

3 & 4

Open

Open

Open

80486DX4

3 & 4

Open

Open

Open

Open

P24D

3 & 4

Open

Closed

Closed

Closed

P24T

2 & 3

1 & 2

Open

Open

Open

CXM1

3 & 4

Open

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

J15

J16

J17

J18

J19

J21

CX486SX

Open

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

UMC486SX

Open

Open

Open

2 & 3

Open

2 & 3

80486SX

Open

1 & 2

Open

1 & 2

Open

2 & 3

CX486DX

Open

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

AM486DX

Open

Open

Open

2 & 3

Open

1 & 2, 3 & 4

80486DX

Open

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

CX486DX2

Open

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

AM486DX2

Open

Open

Open

2 & 3

Open

1 & 2, 3 & 4

80486DX2

Open

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

CX486DX4

Open

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

AM486DX4

Open

Open

Open

2 & 3

Open

1 & 2, 3 & 4

AM486DX4 (WB)

Open

Open

Open

2 & 3

Open

1 & 2, 3 & 4

80486DX4

Open

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

P24D

Open

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

P24T

Open

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2, 3 & 4

CXM1

Open

1 & 2

Open

1 & 2

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

J24 pins 1 & 2

J24 pins 3 & 4

J24 pins 5 & 6

20MHz

Open

Open

Open

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

80iMHz

Open

Closed

Closed

100iMHz

Closed

Closed

Closed

CPU VOLTAGE CONFIGURATION

Voltage

J11

3.3v

pins 2 & 3 closed

3.45v

pins 2 & 3 closed

4v

pins 2 & 3 closed

5v

pins 1 & 2 closed