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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

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

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 (CONT)

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 (CONT)

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 (CONT)

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 (CONT)

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 (CONT)

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

DMA

JP5

JP6

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed

DMA 5

pins 1 & 2 closed

pins 1 & 2 closed