J-446A (V2.0)

J-MARK COMPUTER CORPORATION

J-446A (V2.0)

Processor

80486SX/AM486DX2/CX486DX2/80486DX2/CX486DX4/AM486DX4/

AM486DX4(WB)/AM486DX4(WT)/80486DX4(WB)/80486DX4(WT)/

P24D/P24T/CX5X86/AM5X86

Processor Speed

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

Chip Set

SIS

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256KB

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, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

IDE interface LED

JP33

IDE interface 2

CN2

Green PC connector

JP35

IDE interface 1

CN3

Turbo LED

JP37

Floppy drive interface

CN4

Reset switch

JP38

Serial port 1

CN5

Turbo switch

JP39

Serial port 2

CN6

Power LED & keylock

JP40

External battery

JP1

Green PC LED

LED1

Speaker

JP27

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select color

JP6

Closed

Monitor type select monochrome

JP6

Open

»

Factory configured - do not alter

JP13

Unidentified

»

BIOS type select EPROM

JP19

Open

BIOS type select 5v flash

JP19

Pins 2 & 3 closed

BIOS type select 12v flash

JP19

Pins 1 & 2 closed

»

Factory configured - do not alter

JP21

Unidentified

Turbo enabled

JP39

Pins 2 & 3 closed

Turbo disabled

JP39

Pins 1 & 2 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

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

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

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) 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

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

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

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

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

35MB

(1) 8M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

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

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

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

TAG

128KB

(4) 32K x 8

(1) 8K x 8

256KB

(4) 64K x 8

(1) 16K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

128KB

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 1 & 2 closed

Pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP11

JP12

25MHz

Open

Pins 1 & 2 closed

33MHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

40MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

50iMHz

Open

Pins 1 & 2 closed

50MHz

Pins 3 & 4 closed

Pins 2 & 3 closed

66iMHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

80iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

100iMHz

Pins 1 & 2, 3 & 4 closed

Pins 1 & 2 closed

120iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

JP9

JP10

JP14

JP15

JP16

80486SX

Open

2 & 3

Open

Open

Open

AM486DX2

2 & 3

2 & 3

Open

Open

2 & 3

CX486DX2

2 & 3

2 & 3

Open

Open

Open

80486DX2

2 & 3

2 & 3

Open

Open

Open

CX486DX4

2 & 3

2 & 3

Open

Open

Open

AM486DX4

2 & 3

1 & 2

Open

1 & 2

1 & 2

AM486DX4 (WB)

2 & 3

1 & 2

Open

1 & 2

1 & 2

AM486DX4 (WT)

2 & 3

2 & 3

Open

Open

1 & 2

80486DX4 (WB)

2 & 3

1 & 2

Open

1 & 2

1 & 2

80486DX4 (WT)

2 & 3

2 & 3

Open

Open

Open

P24D

2 & 3

1 & 2

Open

1 & 2

1 & 2

P24T

1 & 2

1 & 2

1 & 2

Open

Open

CX5X86

2 & 3

2 & 3

Open

1 & 2

Open

AM5X86

2 & 3

1 & 2

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP17

JP20

JP23

JP24

JP25

80486SX

2 & 3

Closed

1 & 2

4 & 5

2 & 3

AM486DX2

Open

Open

Open

4 & 5

1 & 2, 3 & 4

CX486DX2

1 & 2

Closed

Open

2 & 3

1 & 2, 3 & 4

80486DX2

2 & 3

Closed

1 & 2

4 & 5

1 & 2, 3 & 4

CX486DX4

1 & 2

Closed

Open

2 & 3

1 & 2, 3 & 4

AM486DX4

2 & 3

Closed

2 & 3

4 & 5

1 & 2, 3 & 4

AM486DX4 (WB)

2 & 3

Closed

2 & 3

4 & 5

1 & 2, 3 & 4

AM486DX4 (WT)

Open

Open

Open

4 & 5

1 & 2, 3 & 4

80486DX4 (WB)

2 & 3

Closed

2 & 3

4 & 5

1 & 2, 3 & 4

80486DX4 (WT)

2 & 3

Closed

1 & 2

4 & 5

1 & 2, 3 & 4

P24D

2 & 3

Closed

2 & 3

4 & 5

1 & 2, 3 & 4

P24T

2 & 3

Closed

Open

1 & 2

1 & 2, 3 & 4

CX5X86

2 & 3

Closed

2 & 3

4 & 5

1 & 2, 3 & 4

AM5X86

2 & 3

Closed

2 & 3

4 & 5

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP26

JP28

JP29

JP30

80486SX

3 & 4

Open

Open

Open

AM486DX2

3 & 4

Open

Open

Open

CX486DX2

2 & 3

2 & 3

2 & 3

Open

80486DX2

3 & 4

Open

Open

Open

CX486DX4

2 & 3

2 & 3

2 & 3

Open

AM486DX4

1 & 2, 3 & 4

Open

1 & 2

Open

AM486DX4 (WB)

1 & 2, 3 & 4

Open

1 & 2

Open

AM486DX4 (WT)

3 & 4

Open

Open

Open

80486DX4 (WB)

1 & 2, 3 & 4

Open

1 & 2

Open

80486DX4 (WT)

3 & 4

Open

Open

Open

P24D

1 & 2, 3 & 4

Open

1 & 2

Open

P24T

3 & 4

1 & 2

1 & 2

Open

CX5X86

1 & 2, 3 & 4

Open

1 & 2

Open

AM5X86

1 & 2, 3 & 4

Open

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE CONFIGURATION

Voltage

JP31

JP32

JP34

3.3v

Pins 2 & 3 closed

Pins 5 & 6 closed

Pins 2 & 3 closed

3.45v

Pins 2 & 3 closed

Pins 3 & 4 closed

Pins 2 & 3 closed

4v

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

N/A

Pins 1 & 2 closed

GREEN PC CONFIGURATION

Setting

JP36

Doze mode

Pins 1 & 2 closed

Suspend mode

Pins 3 & 4 closed

Standby mode

Pins 5 & 6, 7 & 8 closed

CMOS CONFIGURATION

Setting

JP2

JP3

CMOS memory normal operation

Pins 1 & 2 closed

Pins 1 & 2 closed

CMOS memory clear

Pins 2 & 3 closed

Pins 2 & 3 closed

DAM CHANNEL SELECTION

Channel

JP18

JP22

1

Pins 1 & 3 closed

Pins 1 & 3 closed

3

Pins 2 & 4 closed

Pins 2 & 4 closed

Processor	80486SX/AM486DX2/CX486DX2/80486DX2/CX486DX4/AM486DX4/ AM486DX4(WB)/AM486DX4(WT)/80486DX4(WB)/80486DX4(WT)/ P24D/P24T/CX5X86/AM5X86
Processor Speed	25/33/40/50(internal)/50/66(internal)/80(internal)/100(internal)/ 120(internal)MHz
Chip Set	SIS
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256KB
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, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	CN1	IDE interface LED	JP33
IDE interface 2	CN2	Green PC connector	JP35
IDE interface 1	CN3	Turbo LED	JP37
Floppy drive interface	CN4	Reset switch	JP38
Serial port 1	CN5	Turbo switch	JP39
Serial port 2	CN6	Power LED & keylock	JP40
External battery	JP1	Green PC LED	LED1
Speaker	JP27	32-bit PCI slots	PC1 - PC3

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Monitor type select color	JP6	Closed
	Monitor type select monochrome	JP6	Open
»	Factory configured - do not alter	JP13	Unidentified
»	BIOS type select EPROM	JP19	Open
	BIOS type select 5v flash	JP19	Pins 2 & 3 closed
	BIOS type select 12v flash	JP19	Pins 1 & 2 closed
»	Factory configured - do not alter	JP21	Unidentified
	Turbo enabled	JP39	Pins 2 & 3 closed
	Turbo disabled	JP39	Pins 1 & 2 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
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
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

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
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
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) 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
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
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
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
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
35MB	(1) 8M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 8K x 8
256KB	(4) 64K x 8	(1) 16K x 8

CACHE JUMPER CONFIGURATION
Size	JP7	JP8
128KB	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB	Pins 1 & 2 closed	Pins 2 & 3 closed

CPU SPEED CONFIGURATION
Speed	JP11	JP12
25MHz	Open	Pins 1 & 2 closed
33MHz	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2 closed
40MHz	Pins 1 & 2 closed	Pins 1 & 2 closed
50iMHz	Open	Pins 1 & 2 closed
50MHz	Pins 3 & 4 closed	Pins 2 & 3 closed
66iMHz	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2 closed
80iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed
100iMHz	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2 closed
120iMHz	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU TYPE SELECTION
Type	JP9	JP10	JP14	JP15	JP16
80486SX	Open	2 & 3	Open	Open	Open
AM486DX2	2 & 3	2 & 3	Open	Open	2 & 3
CX486DX2	2 & 3	2 & 3	Open	Open	Open
80486DX2	2 & 3	2 & 3	Open	Open	Open
CX486DX4	2 & 3	2 & 3	Open	Open	Open
AM486DX4	2 & 3	1 & 2	Open	1 & 2	1 & 2
AM486DX4 (WB)	2 & 3	1 & 2	Open	1 & 2	1 & 2
AM486DX4 (WT)	2 & 3	2 & 3	Open	Open	1 & 2
80486DX4 (WB)	2 & 3	1 & 2	Open	1 & 2	1 & 2
80486DX4 (WT)	2 & 3	2 & 3	Open	Open	Open
P24D	2 & 3	1 & 2	Open	1 & 2	1 & 2
P24T	1 & 2	1 & 2	1 & 2	Open	Open
CX5X86	2 & 3	2 & 3	Open	1 & 2	Open
AM5X86	2 & 3	1 & 2	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP17	JP20	JP23	JP24	JP25
80486SX	2 & 3	Closed	1 & 2	4 & 5	2 & 3
AM486DX2	Open	Open	Open	4 & 5	1 & 2, 3 & 4
CX486DX2	1 & 2	Closed	Open	2 & 3	1 & 2, 3 & 4
80486DX2	2 & 3	Closed	1 & 2	4 & 5	1 & 2, 3 & 4
CX486DX4	1 & 2	Closed	Open	2 & 3	1 & 2, 3 & 4
AM486DX4	2 & 3	Closed	2 & 3	4 & 5	1 & 2, 3 & 4
AM486DX4 (WB)	2 & 3	Closed	2 & 3	4 & 5	1 & 2, 3 & 4
AM486DX4 (WT)	Open	Open	Open	4 & 5	1 & 2, 3 & 4
80486DX4 (WB)	2 & 3	Closed	2 & 3	4 & 5	1 & 2, 3 & 4
80486DX4 (WT)	2 & 3	Closed	1 & 2	4 & 5	1 & 2, 3 & 4
P24D	2 & 3	Closed	2 & 3	4 & 5	1 & 2, 3 & 4
P24T	2 & 3	Closed	Open	1 & 2	1 & 2, 3 & 4
CX5X86	2 & 3	Closed	2 & 3	4 & 5	1 & 2, 3 & 4
AM5X86	2 & 3	Closed	2 & 3	4 & 5	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP26	JP28	JP29	JP30
80486SX	3 & 4	Open	Open	Open
AM486DX2	3 & 4	Open	Open	Open
CX486DX2	2 & 3	2 & 3	2 & 3	Open
80486DX2	3 & 4	Open	Open	Open
CX486DX4	2 & 3	2 & 3	2 & 3	Open
AM486DX4	1 & 2, 3 & 4	Open	1 & 2	Open
AM486DX4 (WB)	1 & 2, 3 & 4	Open	1 & 2	Open
AM486DX4 (WT)	3 & 4	Open	Open	Open
80486DX4 (WB)	1 & 2, 3 & 4	Open	1 & 2	Open
80486DX4 (WT)	3 & 4	Open	Open	Open
P24D	1 & 2, 3 & 4	Open	1 & 2	Open
P24T	3 & 4	1 & 2	1 & 2	Open
CX5X86	1 & 2, 3 & 4	Open	1 & 2	Open
AM5X86	1 & 2, 3 & 4	Open	1 & 2	2 & 3
Note: Pins designated should be in the closed position.

CPU VOLTAGE CONFIGURATION
Voltage	JP31	JP32	JP34
3.3v	Pins 2 & 3 closed	Pins 5 & 6 closed	Pins 2 & 3 closed
3.45v	Pins 2 & 3 closed	Pins 3 & 4 closed	Pins 2 & 3 closed
4v	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
5v	Pins 1 & 2 closed	N/A	Pins 1 & 2 closed

GREEN PC CONFIGURATION
Setting	JP36
Doze mode	Pins 1 & 2 closed
Suspend mode	Pins 3 & 4 closed
Standby mode	Pins 5 & 6, 7 & 8 closed

CMOS CONFIGURATION
Setting	JP2	JP3
CMOS memory normal operation	Pins 1 & 2 closed	Pins 1 & 2 closed
CMOS memory clear	Pins 2 & 3 closed	Pins 2 & 3 closed

DAM CHANNEL SELECTION
Channel	JP18	JP22
1	Pins 1 & 3 closed	Pins 1 & 3 closed
3	Pins 2 & 4 closed	Pins 2 & 4 closed