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





MPXS486

MYLEX CORPORATION

MPXS486

Processor

80486SX/ODP486/CX486DX/(SL)AM486DX/SL80486DX/CX486DX2/ CX486DX2V/UMC U5S/AM486DX2/(SL)AM486DX2/SL80486DX2/ AM486DX4/80486DX4/P24D/P24T

Processor Speed

25/33/40/50(internal)/50/63(internal)/66(internal)/75(internal)/ 80(internal)/83(internal)/100(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

250mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

IDE interface LED 2

JP15

Serial port 1

CN2

Green PC connector

JP29

Serial port 2

CN3

Green PC LED

JP27

Game interface

CN4

Turbo switch

JP35

Parallel port

CN5

Turbo LED

JP36

IDE interface 2

CN6

Speaker

JP37

IDE interface 1

CN7

Reset switch

JP44

External battery

JP12

Power LED & keylock

JP45

IDE interface LED 1

JP14

32-bit PCI slots

PC1 Ė PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

Ľ

CMOS memory normal operation

JP13

Pins 1 & 2 closed

 

CMOS memory clear

JP13

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

None

None

None

2MB

(1) 512K x 36

None

None

None

2MB

(1) 256K x 36

(1) 256K x 36

None

None

3MB

(1) 512K x 36

(1) 256K x 36

None

None

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

None

4MB

(1) 1M x 36

None

None

None

4MB

(1) 512K x 36

(1) 512K x 36

None

None

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

5MB

(1) 1M x 36

(1) 256K x 36

None

None

5MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

None

6MB

(1) 1M x 36

(1) 512K x 36

None

None

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

None

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 2M x 36

None

None

None

8MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

9MB

(1) 2M x 36

(1) 256K x 36

None

None

10MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

None

10MB

(1) 2M x 36

(1) 512K x 36

None

None

10MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

11MB

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

None

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

12MB

(1) 2M x 36

(1) 1M x 36

None

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

14MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

17MB

(1) 4M x 36

(1) 256K x 36

None

None

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

None

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

None

20MB

(1) 4M x 36

(1) 1M x 36

None

None

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 1M x 36

(1) 4M x 36

None

None

22MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

24MB

(1) 4M x 36

(1) 2M x 36

None

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 2M x 36

(1) 4M x 36

None

None

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 8M x 36

None

None

None

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

33MB

(1) 8M x 36

(1) 256K x 36

None

None

34MB

(1) 8M x 36

(1) 512K x 36

None

None

35MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

None

36MB

(1) 8M x 36

(1) 1M x 36

None

None

38MB

(1) 8M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

None

40MB

(1) 8M x 36

(1) 2M x 36

None

None

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

None

48MB

(1) 8M x 36

(1) 4M x 36

None

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

56MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

None

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

None

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

100MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

104MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

None

(1) 8K x 8

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

None

(1) 32K x 8

512KB (A)

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB (B)

(4) 128K x 8

None

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 64K x 8

CACHE JUMPER CONFIGURATION

Size

JP17

JP18

JP19

JP20

JP25

JP26

128KB

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

256KB (A)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

256KB (B)

1 & 2

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

512KB (A)

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

512KB (B)

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION

Speed

JP22

JP23

25MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

33MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

40MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

50iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

50MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

63iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

66iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

75iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

80iMHz

Pins 1 & 2 closed

Pins 2 & 3 closed

83iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

100iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

J2

J3

J4

J5

J6

J7

80486SX

Closed

Open

Open

Open

Closed

Open

ODP486

Open

Closed

Open

Open

Closed

Open

CX486DX

Open

Closed

Open

Closed

Open

Open

(SL) AM486DX

Open

Closed

Open

Open

Closed

Open

SL80486DX

Open

Closed

Open

Open

Closed

Open

CX486DX2

Open

Closed

Open

Closed

Open

Open

CX486DX2V

Open

Closed

Open

Closed

Open

Open

UMC U5S

Closed

Open

Open

Open

Closed

Open

AM486DX2

Open

Closed

Open

Open

Closed

Open

(SL) AM486DX2

Open

Closed

Open

Open

Closed

Open

SL80486DX2

Open

Closed

Open

Open

Closed

Open

AM486DX4

Open

Closed

Open

Open

Closed

Open

80486DX4

Open

Closed

Open

Open

Closed

Open

P24D

Open

Open

Closed

Open

Open

Closed

P24T

Open

Open

Closed

Open

Open

Closed

CPU TYPE SELECTION (CONíT)

Type

JP31

JP39

JP40

JP42

JP43

80486SX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

ODP486

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

CX486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

(SL) AM486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

SL80486DX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

CX486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

CX486DX2V

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

UMC U5S

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

AM486DX2

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

(SL) AM486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

SL80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

AM486DX4

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

80486DX4

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

P24D

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

P24T

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (80486DX4 ONLY)

Multiplier

JP41

2x

Pins 2 & 3 closed

3x

Open

CPU VOLTAGE SELECTION

Voltage

JP32A

JP32B

JP32C

JP38

 

3.3v

Open

Open

Open

Pins 1 & 2 closed

 

4v

Open

Open

Open

Pins 2 & 3 closed

Ľ

5v

Closed

Closed

Closed

Pins 2 & 3 closed

PCI BUS SPEED SELECTION

Speed

JP21

<= 33MHz

Pins 1 & 2 closed

>33 MHz

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JP1

JP2

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed