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





486U-PIO

EFA CORPORATION

486U-PIO

Processor

CX486SX/UMC486SX/80486SX/SL80486SX/CX486SX2/UMC486SX2/ 80486SX2/SL80486SX2/CX486DX/UMC486DX/AM486DX/(SL)AM486DX/ 80486DX/SL80486DX/CX486DX2/UMC486DX2/AM486DX2/(SL)AM486DX2/ 80486DX2/SL80486DX2/P24D/AM486DX4/(SL)AM486DX4/80486DX4/ Pentium Overdrive/CXM1

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

128MB

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

280mm x 220mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

J1

Power LED & keylock

J8

Parallel port

J2

Speaker

J9

Serial port 1

J3

External battery

J10

Serial port 2

J4

Reset switch

J12

IDE interface 2

J5

Turbo switch

J13

IDE interface 1

J6

Turbo LED

J14

IDE interface LED

J7

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

Ľ

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

Ľ

Flash BIOS voltage select 5v

JP3

pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP3

pins 2 & 3 closed

 

PS/2 mouse IRQ12 enabled

JP4

Closed

 

PS/2 mouse IRQ12 disabled

JP4

Open

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

3MB

(1) 256K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

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

5MB

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

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

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

7MB

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 2M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

NONE

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

9MB

(1) 256K x 36

(1) 2M 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

10MB

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

NONE

10MB

(1) 512K x 36

(1) 2M x 36

NONE

NONE

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

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

12MB

(1) 1M x 36

(1) 2M x 36

NONE

NONE

13MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

14MB

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

14MB

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M 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

17MB

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

NONE

18MB

(1) 4M x 36

(1) 512K x 36

NONE

NONE

18MB

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

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) 2M x 36

(1) 2M x 36

NONE

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

25MB

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

26MB

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

28MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M 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

33MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

NONE

33MB

(1) 256K x 36

(1) 8M x 36

NONE

NONE

34MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

NONE

34MB

(1) 8M x 36

(1) 512K x 36

NONE

NONE

34MB

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

NONE

34MB

(1) 512K x 36

(1) 8M 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

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M 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

40MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

NONE

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

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

48MB

(1) 4M x 36

(1) 8M x 36

NONE

NONE

49MB

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

50MB

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

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

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

65MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

NONE

66MB

(1) 512K x 36

(1) 8M x 36

(1) 8M x 36

NONE

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

NONE

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

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

97MB

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

98MB

(1) 512K x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

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) 32K 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 or (1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP12

JP13

JP14

128KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB (A)

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB (B)

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

512KB (A)

pins 2 & 3 closed

pins 2 & 3 closed

pins 4 & 5 closed

512KB (B)

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

pins 5 & 6 closed

CPU TYPE CONFIGURATION

Type

JP15

JP16

JP17

JP18

JP19

CX486SX

1 & 2

Open

2 & 3

1 & 2

2 & 3, 4 & 5

UMC486SX

Open

Open

1 & 2

2 & 3

Open

80486SX

Open

Open

1 & 2

1 & 2

Open

SL80486SX

Open

Open

1 & 2

1 & 2

3 & 4, 5 & 6

CX486SX2

1 & 2

Open

2 & 3

1 & 2

2 & 3, 4 & 5

UMC486SX2

Open

Open

1 & 2

2 & 3

Open

80486SX2

Open

Open

1 & 2

1 & 2

Open

SL80486SX2

Open

Open

1 & 2

1 & 2

3 & 4, 5 & 6

CX486DX

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3, 4 & 5

UMC486DX

Open

1 & 2

1 & 2

2 & 3

Open

AM486DX

Open

1 & 2

1 & 2

2 & 3

1 & 2

(SL)AM486DX

2 & 3

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

80486DX

Open

1 & 2

1 & 2

1 & 2

Open

SL80486DX

Open

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

CX486DX2

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3, 4 & 5

UMC486DX2

Open

1 & 2

1 & 2

2 & 3

Open

CPU TYPE CONFIGURATION (CONíT)

Type

JP15

JP16

JP17

JP18

JP19

AM486DX2

Open

1 & 2

1 & 2

2 & 3

1 & 2

(SL)AM486DX2

2 & 3

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

80486DX2

Open

1 & 2

1 & 2

1 & 2

Open

SL80486DX2

Open

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

P24D

2 & 3

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

AM486DX4

Open

1 & 2

1 & 2

2 & 3

Open

(SL)AM486DX4

2 & 3

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

80486DX4

Open

1 & 2

1 & 2

1 & 2

3 & 4, 5 & 6

P24T

2 & 3

2 & 3

1 & 2

1 & 2

3 & 4, 5 & 6

CXM1

2 & 3

1 & 2, 3 & 4

1 & 2

1 & 2

3 & 4, 5 & 6

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CONíT)

Type

JP22

JP23

JP24

JP25

CX486SX

2 & 3, 4 & 5

2 & 3

1 & 2

Open

UMC486SX

Open

2 & 3

2 & 3

Open

80486SX

Open

2 & 3

2 & 3

Open

SL80486SX

5 & 6

2 & 3

1 & 2

Open

CX486SX2

2 & 3, 4 & 5

2 & 3

1 & 2

Open

UMC486SX2

Open

2 & 3

2 & 3

Open

80486SX2

Open

2 & 3

2 & 3

Open

SL80486SX2

5 & 6

2 & 3

1 & 2

Open

CX486DX

2 & 3, 4 & 5

1 & 2, 3 & 4

1 & 2

Open

UMC486DX

Open

1 & 2, 3 & 4

2 & 3

Open

AM486DX

Open

1 & 2, 3 & 4

2 & 3

Open

(SL)AM486DX

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

Open

80486DX

Open

1 & 2, 3 & 4

2 & 3

Open

SL80486DX

5 & 6

1 & 2, 3 & 4

1 & 2

Open

CX486DX2

2 & 3, 4 & 5

1 & 2, 3 & 4

1 & 2

Open

UMC486DX2

Open

1 & 2, 3 & 4

2 & 3

Open

AM486DX2

Open

1 & 2, 3 & 4

2 & 3

Open

(SL)AM486DX2

1 & 2, 3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

Open

80486DX2

Open

1 & 2, 3 & 4

2 & 3

Open

SL80486DX2

5 & 6

1 & 2, 3 & 4

1 & 2

Open

P24D

3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

Open

AM486DX4

Open

1 & 2, 3 & 4

2 & 3

Open

(SL)AM486DX4

3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

Open

80486DX4

5 & 6

1 & 2, 3 & 4

1 & 2

Open

P24T

5 & 6

1 & 2, 3 & 4

1 & 2

Open

CXM1

3 & 4, 5 & 6

1 & 2, 3 & 4

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP9

JP10

JP11

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

50iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

66iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

75iMHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

80iMHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

100iMHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

120iMHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

CPU VOLTAGE CONFIGURATION

Voltage

JP20

JP21

3.3v

pins 2 & 3, 4 & 5 closed

pins 1 & 2 closed

3.45v

pins 2 & 3, 4 & 5 closed

pins 2 & 3 closed

3.8v

pins 2 & 3, 4 & 5 closed

pins 4 & 5 closed

4v

pins 2 & 3, 4 & 5 closed

pins 5 & 6 closed

5v

pins 1 & 2 , 5 & 6 closed

pins 2 & 3 closed

DMA CONFIGURATION

Ľ DMA

JP5

JP6

Ľ

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed

Ľ

DMA 5

pins 1 & 2 closed

pins 1 & 2 closed