UP8812 AIO

ELITEGROUP COMPUTER SYSTEMS, INC.

UP8812 AIO

Processor

CX486S/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/ SL80486DX(WB)/80486DX(WT)/CX486DX2/AM486DX2/ AM486DX2(SV8B)/80486DX2/SL80486DX2(WB)/SL80486DX2(WT)/ 80486DX2(ODPR)/CX486DX4/AM486DX4(NV8T)/AM486DX4(SV8B)/ 80486DX4(WB)/80486DX4(WT)/P24T/CX5X86/AM5X86

Processor Speed

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

Chip Set

UMC

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J3

Turbo LED

JP31 pins 2 & 3

Serial port 2

J4

Green PC connector

JP31 pins 4 & 5

Parallel port

J5

Turbo switch

JP31 pins 6 & 7

IDE interface 2

J9

Reset switch

JP31 pins 9 & 10

IDE interface 1

J10

Power LED & keylock

JP31 pins 11 - 15

Floppy drive interface

J11

Speaker

JP31 pins 17 - 19

IDE interface LED

J13

32-bit PCI slots

PC1 – PC3

PS/2 mouse interface

J14

USER CONFIGURABLE SETTINGS

Function

Label

Position

BIOS select EPROM

JP1

Open

Flash BIOS voltage select 12v

JP1

Pins 2 & 3 closed

Flash BIOS voltage select 5v

JP1

Pins 1 & 2 closed

»

Factory configured - do not alter

JP2

Unidentified

On board I/O enabled

JP3

Pins 1 & 2 closed

On board I/O disabled

JP3

Pins 2 & 3 closed

»

Factory configured - do not alter

JP4

Unidentified

»

Factory configured - do not alter

JP20

Unidentified

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) 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) 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

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

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

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

16MB

(1) 4M x 36

None

None

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

18MB

(1) 4M x 36

(1) 512K 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

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

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

40MB

(1) 8M x 36

(1) 2M x 36

None

None

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

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M 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

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

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) 64K x 8

None

(1) 32K x 8

256KB (B)

(4) 32K x 8

(4) 32K x 8

(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) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP14

JP19

JP24

128KB

Open

Open

Open

Open

Open

2 & 3

256KB (A)

Closed

Open

Open

Open

1 & 2

2 & 3

256KB (B)

Closed

Open

Open

Open

Open

1 & 2

512KB (A)

Closed

Closed

Open

Open

2 & 3

1 & 2

512KB (B)

Closed

Closed

Open

1 & 2

1 & 2

2 & 3

1MB

Closed

Closed

Closed

2 & 3

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION

Speed

JP5

25MHz

Pins 1 & 2 closed

33MHz

Pins 1 & 2, 3 & 4, 5 & 6 closed

40MHz

Pins 1 & 2, 3 & 4 closed

50MHz

Pins 5 & 6 closed

50iMHz

Pins 1 & 2 closed

66iMHz

Pins 1 & 2, 3 & 4, 5 & 6 closed

75iMHz

Pins 1 & 2 closed

80iMHz

Pins 1 & 2, 3 & 4 closed

100iMHz

Pins 1 & 2, 3 & 4, 5 & 6 closed

120iMHz

Pins 1 & 2, 3 & 4 closed

CPU TYPE SELECTION

Type

JP9

JP10

JP12

JP13

JP15

CX486S

Open

Open

1 & 2

2 & 3

2 & 3

80486SX

Open

Open

1 & 2

1 & 2

Open

SL80486SX

Open

Open

1 & 2

1 & 2

Open

CX486DX

Open

Open

1 & 2

2 & 3

2 & 3

AM486DX

Open

Open

1 & 2

1 & 2

Open

80486DX

Open

Open

1 & 2

1 & 2

Open

SL80486DX (WB)

1 & 2

Open

1 & 2

1 & 2

Open

SL80486DX (WT)

2 & 3

Open

1 & 2

1 & 2

Open

CX486DX2

Open

Open

1 & 2

2 & 3

2 & 3

AM486DX2

Open

Open

1 & 2

1 & 2

Open

AM486DX2 (SV8B)

1 & 2

Open

1 & 2

1 & 2

Open

80486DX2

Open

Open

1 & 2

1 & 2

Open

SL80486DX2 (WB)

1 & 2

Open

1 & 2

1 & 2

Open

SL80486DX2 (WT)

2 & 3

Open

1 & 2

1 & 2

Open

80486DX2 (ODPR)

2 & 3

Open

1 & 2

1 & 2

Open

CX486DX4

Open

Open

1 & 2

2 & 3

2 & 3

AM486DX4 (NV8T)

Open

Open

1 & 2

1 & 2

Open

AM486DX4 (SV8B)

1 & 2

Open

1 & 2

1 & 2

Open

SL80486DX4 (WB)

1 & 2

Open

1 & 2

1 & 2

Open

SL80486DX4 (WT)

2 & 3

Open

1 & 2

1 & 2

Open

80486DX4 (ODPR)

2 & 3

Open

1 & 2

1 & 2

Open

P24T

Open

Open

1 & 2

1 & 2

1 & 2

CX5X86

1 & 2

Open

1 & 2

1 & 2

Open

AM5X86

1 & 2

Open

1 & 2

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP16

JP17

JP18

JP21

JP23

CX486S

2 & 3

1 & 2

2 & 3

Open

Open

80486SX

Open

Open

1 & 2

Open

Open

SL80486SX

Open

1 & 2

2 & 3

Open

Open

CX486DX

2 & 3

1 & 2

2 & 3

Open

Open

AM486DX

Open

Open

1 & 2

Open

Open

80486DX

Open

Open

1 & 2

Open

Open

SL80486DX (WB)

Open

1 & 2

2 & 3

Open

Open

SL80486DX (WT)

Open

1 & 2

2 & 3

Open

Open

CX486DX2

2 & 3

1 & 2

2 & 3

Open

Open

AM486DX2

Open

Open

1 & 2

Open

Open

AM486DX2 (SV8B)

Open

1 & 2

2 & 3

Open

Open

80486DX2

Open

Open

1 & 2

Open

Open

SL80486DX2 (WB)

Open

1 & 2

2 & 3

Open

Open

SL80486DX2 (WT)

Open

1 & 2

2 & 3

Open

Open

80486DX2 (ODPR)

Open

1 & 2

2 & 3

Open

Open

CX486DX4

2 & 3

1 & 2

2 & 3

Open

Open

AM486DX4 (NV8T)

Open

Open

1 & 2

Open

Open

AM486DX4 (SV8B)

Open

1 & 2

2 & 3

Open

Open

SL80486DX4 (WB)

Open

1 & 2

2 & 3

Open

Open

SL80486DX4 (WT)

Open

1 & 2

2 & 3

Open

Open

80486DX4 (ODPR)

Open

1 & 2

2 & 3

Open

Open

P24T

Open

1 & 2

1 & 2

Open

Closed

CX5X86

Open

1 & 2

2 & 3

Open

Open

AM5X86

Open

1 & 2

2 & 3

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP25

JP26

JP27

JP28

JP29

CX486S

2 & 3

Open

2 & 3

2 & 3

1 & 2, 3 & 4

80486SX

Open

Open

Open

2 & 3

Open

SL80486SX

1 & 2

Open

Open

2 & 3

2 & 3, 4 & 5

CX486DX

2 & 3

1 & 2

2 & 3

1 & 2, 3 & 4

1 & 2, 3 & 4

AM486DX

Open

1 & 2

Open

1 & 2, 3 & 4

Open

80486DX

Open

1 & 2

Open

1 & 2, 3 & 4

Open

SL80486DX (WB)

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

SL80486DX (WT)

1 & 2

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

CX486DX2

2 & 3

1 & 2

2 & 3

1 & 2, 3 & 4

1 & 2, 3 & 4

AM486DX2

Open

1 & 2

Open

1 & 2, 3 & 4

Open

AM486DX2 (SV8B)

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

80486DX2

Open

1 & 2

Open

1 & 2, 3 & 4

Open

SL80486DX2 (WB)

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

SL80486DX2 (WT)

1 & 2

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

80486DX2 (ODPR)

1 & 2

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

CX486DX4

2 & 3

1 & 2

2 & 3

1 & 2, 3 & 4

1 & 2, 3 & 4

AM486DX4 (NV8T)

Open

1 & 2

Open

1 & 2, 3 & 4

Open

AM486DX4 (SV8B)

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

SL80486DX4 (WB)

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

SL80486DX4 (WT)

1 & 2

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

80486DX4 (ODPR)

1 & 2

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

P24T

1 & 2

2 & 3

1 & 2

1 & 2, 3 & 4

2 & 3, 4 & 5

CX5X86

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

AM5X86

1 & 2, 3 & 4

1 & 2

Open

1 & 2, 3 & 4

2 & 3, 4 & 5

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP30

JP32

JP33

3.3v

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

3.45v

Pins 3 & 4 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

3.6v

Pins 5 & 6 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

4v

Pins 7 & 8 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

Processor	CX486S/80486SX/SL80486SX/CX486DX/AM486DX/80486DX/ SL80486DX(WB)/80486DX(WT)/CX486DX2/AM486DX2/ AM486DX2(SV8B)/80486DX2/SL80486DX2(WB)/SL80486DX2(WT)/ 80486DX2(ODPR)/CX486DX4/AM486DX4(NV8T)/AM486DX4(SV8B)/ 80486DX4(WB)/80486DX4(WT)/P24T/CX5X86/AM5X86
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz
Chip Set	UMC
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256/512/1024KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	J3	Turbo LED	JP31 pins 2 & 3
Serial port 2	J4	Green PC connector	JP31 pins 4 & 5
Parallel port	J5	Turbo switch	JP31 pins 6 & 7
IDE interface 2	J9	Reset switch	JP31 pins 9 & 10
IDE interface 1	J10	Power LED & keylock	JP31 pins 11 - 15
Floppy drive interface	J11	Speaker	JP31 pins 17 - 19
IDE interface LED	J13	32-bit PCI slots	PC1 – PC3
PS/2 mouse interface	J14

USER CONFIGURABLE SETTINGS
Function		Label	Position
	BIOS select EPROM	JP1	Open
	Flash BIOS voltage select 12v	JP1	Pins 2 & 3 closed
	Flash BIOS voltage select 5v	JP1	Pins 1 & 2 closed
»	Factory configured - do not alter	JP2	Unidentified
	On board I/O enabled	JP3	Pins 1 & 2 closed
	On board I/O disabled	JP3	Pins 2 & 3 closed
»	Factory configured - do not alter	JP4	Unidentified
»	Factory configured - do not alter	JP20	Unidentified

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) 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) 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
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

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	None	(1) 32K x 8
256KB (A)	(4) 64K x 8	None	(1) 32K x 8
256KB (B)	(4) 32K x 8	(4) 32K x 8	(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) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP6	JP7	JP8	JP14	JP19	JP24
128KB	Open	Open	Open	Open	Open	2 & 3
256KB (A)	Closed	Open	Open	Open	1 & 2	2 & 3
256KB (B)	Closed	Open	Open	Open	Open	1 & 2
512KB (A)	Closed	Closed	Open	Open	2 & 3	1 & 2
512KB (B)	Closed	Closed	Open	1 & 2	1 & 2	2 & 3
1MB	Closed	Closed	Closed	2 & 3	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION
Speed	JP5
25MHz	Pins 1 & 2 closed
33MHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
40MHz	Pins 1 & 2, 3 & 4 closed
50MHz	Pins 5 & 6 closed
50iMHz	Pins 1 & 2 closed
66iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
75iMHz	Pins 1 & 2 closed
80iMHz	Pins 1 & 2, 3 & 4 closed
100iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
120iMHz	Pins 1 & 2, 3 & 4 closed

CPU TYPE SELECTION
Type	JP9	JP10	JP12	JP13	JP15
CX486S	Open	Open	1 & 2	2 & 3	2 & 3
80486SX	Open	Open	1 & 2	1 & 2	Open
SL80486SX	Open	Open	1 & 2	1 & 2	Open
CX486DX	Open	Open	1 & 2	2 & 3	2 & 3
AM486DX	Open	Open	1 & 2	1 & 2	Open
80486DX	Open	Open	1 & 2	1 & 2	Open
SL80486DX (WB)	1 & 2	Open	1 & 2	1 & 2	Open
SL80486DX (WT)	2 & 3	Open	1 & 2	1 & 2	Open
CX486DX2	Open	Open	1 & 2	2 & 3	2 & 3
AM486DX2	Open	Open	1 & 2	1 & 2	Open
AM486DX2 (SV8B)	1 & 2	Open	1 & 2	1 & 2	Open
80486DX2	Open	Open	1 & 2	1 & 2	Open
SL80486DX2 (WB)	1 & 2	Open	1 & 2	1 & 2	Open
SL80486DX2 (WT)	2 & 3	Open	1 & 2	1 & 2	Open
80486DX2 (ODPR)	2 & 3	Open	1 & 2	1 & 2	Open
CX486DX4	Open	Open	1 & 2	2 & 3	2 & 3
AM486DX4 (NV8T)	Open	Open	1 & 2	1 & 2	Open
AM486DX4 (SV8B)	1 & 2	Open	1 & 2	1 & 2	Open
SL80486DX4 (WB)	1 & 2	Open	1 & 2	1 & 2	Open
SL80486DX4 (WT)	2 & 3	Open	1 & 2	1 & 2	Open
80486DX4 (ODPR)	2 & 3	Open	1 & 2	1 & 2	Open
P24T	Open	Open	1 & 2	1 & 2	1 & 2
CX5X86	1 & 2	Open	1 & 2	1 & 2	Open
AM5X86	1 & 2	Open	1 & 2	1 & 2	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP16	JP17	JP18	JP21	JP23
CX486S	2 & 3	1 & 2	2 & 3	Open	Open
80486SX	Open	Open	1 & 2	Open	Open
SL80486SX	Open	1 & 2	2 & 3	Open	Open
CX486DX	2 & 3	1 & 2	2 & 3	Open	Open
AM486DX	Open	Open	1 & 2	Open	Open
80486DX	Open	Open	1 & 2	Open	Open
SL80486DX (WB)	Open	1 & 2	2 & 3	Open	Open
SL80486DX (WT)	Open	1 & 2	2 & 3	Open	Open
CX486DX2	2 & 3	1 & 2	2 & 3	Open	Open
AM486DX2	Open	Open	1 & 2	Open	Open
AM486DX2 (SV8B)	Open	1 & 2	2 & 3	Open	Open
80486DX2	Open	Open	1 & 2	Open	Open
SL80486DX2 (WB)	Open	1 & 2	2 & 3	Open	Open
SL80486DX2 (WT)	Open	1 & 2	2 & 3	Open	Open
80486DX2 (ODPR)	Open	1 & 2	2 & 3	Open	Open
CX486DX4	2 & 3	1 & 2	2 & 3	Open	Open
AM486DX4 (NV8T)	Open	Open	1 & 2	Open	Open
AM486DX4 (SV8B)	Open	1 & 2	2 & 3	Open	Open
SL80486DX4 (WB)	Open	1 & 2	2 & 3	Open	Open
SL80486DX4 (WT)	Open	1 & 2	2 & 3	Open	Open
80486DX4 (ODPR)	Open	1 & 2	2 & 3	Open	Open
P24T	Open	1 & 2	1 & 2	Open	Closed
CX5X86	Open	1 & 2	2 & 3	Open	Open
AM5X86	Open	1 & 2	2 & 3	Closed	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP25	JP26	JP27	JP28	JP29
CX486S	2 & 3	Open	2 & 3	2 & 3	1 & 2, 3 & 4
80486SX	Open	Open	Open	2 & 3	Open
SL80486SX	1 & 2	Open	Open	2 & 3	2 & 3, 4 & 5
CX486DX	2 & 3	1 & 2	2 & 3	1 & 2, 3 & 4	1 & 2, 3 & 4
AM486DX	Open	1 & 2	Open	1 & 2, 3 & 4	Open
80486DX	Open	1 & 2	Open	1 & 2, 3 & 4	Open
SL80486DX (WB)	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
SL80486DX (WT)	1 & 2	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
CX486DX2	2 & 3	1 & 2	2 & 3	1 & 2, 3 & 4	1 & 2, 3 & 4
AM486DX2	Open	1 & 2	Open	1 & 2, 3 & 4	Open
AM486DX2 (SV8B)	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
80486DX2	Open	1 & 2	Open	1 & 2, 3 & 4	Open
SL80486DX2 (WB)	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
SL80486DX2 (WT)	1 & 2	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
80486DX2 (ODPR)	1 & 2	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
CX486DX4	2 & 3	1 & 2	2 & 3	1 & 2, 3 & 4	1 & 2, 3 & 4
AM486DX4 (NV8T)	Open	1 & 2	Open	1 & 2, 3 & 4	Open
AM486DX4 (SV8B)	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
SL80486DX4 (WB)	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
SL80486DX4 (WT)	1 & 2	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
80486DX4 (ODPR)	1 & 2	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
P24T	1 & 2	2 & 3	1 & 2	1 & 2, 3 & 4	2 & 3, 4 & 5
CX5X86	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
AM5X86	1 & 2, 3 & 4	1 & 2	Open	1 & 2, 3 & 4	2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	JP30	JP32	JP33
3.3v	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
3.45v	Pins 3 & 4 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
3.6v	Pins 5 & 6 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
4v	Pins 7 & 8 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
5v	Open	Pins 1 & 2 closed	Pins 1 & 2 closed