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 (CON’T)

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 (CON’T)

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 (CON’T)

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 (CON’T)

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 (CON’T)

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

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 (CON’T)
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

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 (CON’T)
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 (CON’T)
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