U 6921

ATC/UNITRON COMPUTERS & COMPUTER PARTS

U 6921

Processor

umc486/(SL)AM486SX/80486SX/SL80486SX/CXM7/AM486DX/(SL)AM486DX/80486DX/SL80486DX/AM486DX2/(SL)AM486D2/80486DX2/SL80486DX2/ AM486DX4/(SL)486DX4/80486DX4/SL80486DX4/CXM9/P24D/P24T

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Award

Dimensions

220mm x 220mm

I/O Options

32-bit PCI slots (3), green PC connector, IDE interfaces (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Turbo LED

JP38

IDE interface 2

JP7

Reset switch

JP39

IDE interface 1

JP8

Turbo switch

JP40

Speaker

JP28

Power LED & keylock

JP41

IDE interface LED

JP32

Green PC LED

LED1

Green PC connector

JP36

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP6

Closed

Monitor type select monochrome

JP6

Open

»

Factory configured - do not alter

JP14

N/A

»

Factory configured - do not alter

JP15

N/A

»

Flash BIOS EPROM

JP21

Open

Flash BIOS voltage select 12v

JP21

Pins 1 & 2 closed

Flash BIOS voltage select 5v

JP21

Pins 2 & 3 closed

Turbo enabled

JP40

Pins 2 & 3 closed

Turbo disabled

JP40

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

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

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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

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

TAG

128KB

(4) 32K x 8

(1) 8K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP9

JP10

128KB

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 2 & 3 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP11

JP12

JP17

JP18

JP19

UMC486

2 & 3

Open

Open

Open

Open

(SL)AM486SX

2 & 3

2 & 3

Open

2 & 3

1 & 2

804846SX

Open

2 & 3

Open

Open

Open

SL804846SX

Open

2 & 3

Open

Open

Open

CXM7

2 & 3

2 & 3

Open

Open

Open

AM486DX

2 & 3

2 & 3

Open

Open

1 & 2

(SL)AM486DX

2 & 3

2 & 3

Open

2 & 3

1 & 2

80486DX

2 & 3

2 & 3

Open

Open

1 & 2

SL80486DX

2 & 3

2 & 3

Open

Open

Open

AM486DX2

2 & 3

2 & 3

Open

Open

2 & 3

(SL)AM486DX2

2 & 3

2 & 3

Open

2 & 3

1 & 2

80486DX2

2 & 3

2 & 3

Open

Open

Open

SL80486DX2

2 & 3

2 & 3

Open

Open

Open

AM486DX4

2 & 3

2 & 3

Open

Open

1 & 2

(SL)AM486DX4

2 & 3

2 & 3

Open

2 & 3

1 & 2

80486DX4 (2x)

2 & 3

2 & 3

Open

Open

1 & 2

SL80486DX4 (2x)

2 & 3

2 & 3

Open

Open

Open

80486DX4 (2.5x)

2 & 3

2 & 3

Open

Open

1 & 2

SL80486DX4 (2.5x)

2 & 3

2 & 3

Open

Open

Open

80486DX4 (3x)

2 & 3

2 & 3

Open

Open

1 & 2

SL80486DX4 (3x)

2 & 3

2 & 3

Open

Open

Open

CXM9 (2x)

2 & 3

1 & 2

Open

1 & 2

Open

CXM9 (3x)

2 & 3

1 & 2

Open

1 & 2

Open

P24D (WB)

2 & 3

1 & 2

Open

1 & 2

1 & 2

P24D (WT)

2 & 3

1 & 2

Open

1 & 2

2 & 3

P24T (WB)

1 & 2

1 & 2

2 & 3

Open

Open

P24T (WT)

1 & 2

1 & 2

1 & 2

Open

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP20

JP22

JP23

JP24

JP25

UMC486

Open

Open

Open

Open

Open

(SL)AM486SX

2 & 3

Closed

Open

4 & 5

4 & 5

804846SX

Open

Open

Open

Open

Open

SL804846SX

2 & 3

Closed

Open

1 & 2

4 & 5

CXM7

1 & 2

Closed

Open

Open

2 & 3

AM486DX

Open

Open

Open

Open

4 & 5

(SL)AM486DX

2 & 3

Closed

Open

4 & 5

4 & 5

80486DX

Open

Open

Open

Open

4 & 5

SL80486DX

2 & 3

Closed

Open

1 & 2

4 & 5

AM486DX2

Open

Open

Open

Open

4 & 5

(SL)AM486DX2

2 & 3

Closed

Open

4 & 5

4 & 5

80486DX2

2 & 3

Closed

Open

1 & 2

4 & 5

SL80486DX2

2 & 3

Closed

Open

1 & 2

4 & 5

AM486DX4

Open

Open

Open

Open

4 & 5

(SL)AM486DX4

2 & 3

Closed

Open

4 & 5

4 & 5

80486DX4 (2x)

Open

Open

Open

Open

4 & 5

SL80486DX4 (2x)

2 & 3

Closed

Open

1 & 2

4 & 5

80486DX4 (2.5x)

Open

Open

Open

Open

4 & 5

SL80486DX4 (2.5x)

2 & 3

Closed

Open

1 & 2

4 & 5

80486DX4 (3x)

Open

Open

Open

Open

4 & 5

SL80486DX4 (3x)

2 & 3

Closed

Open

1 & 2

4 & 5

CXM9 (2x)

Open

Closed

Open

2 & 3

2 & 3

CXM9 (3x)

Open

Closed

Open

2 & 3

2 & 3

P24D (WB)

2 & 3

Closed

Open

2 & 3

4 & 5

P24D (WT)

2 & 3

Closed

Open

2 & 3

4 & 5

P24T (WB)

2 & 3

Closed

Open

Open

1 & 2

P24T (WT)

2 & 3

Closed

Open

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP26

JP27

JP29

JP33

JP34

UMC486

2 & 3

Open

Open

Open

Open

(SL)AM486SX

2 & 3

3 & 4

Open

Open

1 & 2

804846SX

2 & 3

Open

Open

Open

Open

SL804846SX

2 & 3

3 & 4

Open

Open

Open

CXM7

1 & 2, 3 & 4

2 & 3

Open

2 & 3

2 & 3

AM486DX

1 & 2, 3 & 4

3 & 4

Open

Open

Open

(SL)AM486DX

1 & 2, 3 & 4

3 & 4

Open

Open

1 & 2

80486DX

1 & 2, 3 & 4

3 & 4

Open

Open

Open

SL80486DX

1 & 2, 3 & 4

3 & 4

Open

Open

Open

AM486DX2

1 & 2, 3 & 4

3 & 4

Open

Open

Open

(SL)AM486DX2

1 & 2, 3 & 4

3 & 4

Open

Open

1 & 2

80486DX2

1 & 2, 3 & 4

3 & 4

Open

Open

Open

SL80486DX2

1 & 2, 3 & 4

3 & 4

Open

Open

Open

AM486DX4

1 & 2, 3 & 4

3 & 4

Open

Open

Open

(SL)AM486DX4

1 & 2, 3 & 4

3 & 4

Open

Open

1 & 2

80486DX4 (2x)

1 & 2, 3 & 4

3 & 4

2 & 3

Open

Open

SL80486DX4 (2x)

1 & 2, 3 & 4

3 & 4

2 & 3

Open

Open

80486DX4 (2.5x)

1 & 2, 3 & 4

3 & 4

1 & 2

Open

Open

SL80486DX4 (2.5x)

1 & 2, 3 & 4

3 & 4

1 & 2

Open

Open

80486DX4 (3x)

1 & 2, 3 & 4

3 & 4

Open

Open

Open

SL80486DX4 (3x)

1 & 2, 3 & 4

3 & 4

Open

Open

Open

CXM9 (2x)

1 & 2, 3 & 4

1 & 2, 3 & 4

2 & 3

Open

1 & 2

CXM9 (3x)

1 & 2, 3 & 4

1 & 2, 3 & 4

Open

Open

1 & 2

P24D (WB)

1 & 2, 3 & 4

1 & 2, 3 & 4

Open

Open

1 & 2

P24D (WT)

1 & 2, 3 & 4

1 & 2, 3 & 4

Open

Open

1 & 2

P24T (WB)

1 & 2, 3 & 4

3 & 4

Open

1 & 2

1 & 2

P24T (WT)

1 & 2, 3 & 4

3 & 4

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP13

JP16

25MHz

Pins 1 & 2 closed

Open

33MHz

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

40MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

50iMHz

Pins 1 & 2 closed

Open

50MHz

Pins 2 & 3 closed

Pins 3 & 4 closed

66iMHz

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

75iMHz

Pins 1 & 2 closed

Open

100iMHz

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

CPU VOLTAGE CONFIGURATION

Voltage

JP30

JP31

JP35

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

Any setting

Pins 1 & 2 closed

BIOS 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

GREEN PC CONFIGURATION

Setting

JP37

Doze mode

Pins 1 & 2 closed

Suspend mode

Pins 3 & 4 closed

Standby mode

Pins 5 & 6, 7 & 8 closed

Processor	umc486/(SL)AM486SX/80486SX/SL80486SX/CXM7/AM486DX/(SL)AM486DX/80486DX/SL80486DX/AM486DX2/(SL)AM486D2/80486DX2/SL80486DX2/ AM486DX4/(SL)486DX4/80486DX4/SL80486DX4/CXM9/P24D/P24T
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	128/256/512KB
BIOS	Award
Dimensions	220mm x 220mm
I/O Options	32-bit PCI slots (3), green PC connector, IDE interfaces (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	JP1	Turbo LED	JP38
IDE interface 2	JP7	Reset switch	JP39
IDE interface 1	JP8	Turbo switch	JP40
Speaker	JP28	Power LED & keylock	JP41
IDE interface LED	JP32	Green PC LED	LED1
Green PC connector	JP36	32-bit PCI slots	PC1 - PC3

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP6	Closed
	Monitor type select monochrome	JP6	Open
»	Factory configured - do not alter	JP14	N/A
»	Factory configured - do not alter	JP15	N/A
»	Flash BIOS EPROM	JP21	Open
	Flash BIOS voltage select 12v	JP21	Pins 1 & 2 closed
	Flash BIOS voltage select 5v	JP21	Pins 2 & 3 closed
	Turbo enabled	JP40	Pins 2 & 3 closed
	Turbo disabled	JP40	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
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
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

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
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
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

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 8K x 8
256KB	(4) 64K x 8	(1) 32K x 8
512KB	(4) 128K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP9	JP10
128KB	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB	Pins 2 & 3 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JP11	JP12	JP17	JP18	JP19
UMC486	2 & 3	Open	Open	Open	Open
(SL)AM486SX	2 & 3	2 & 3	Open	2 & 3	1 & 2
804846SX	Open	2 & 3	Open	Open	Open
SL804846SX	Open	2 & 3	Open	Open	Open
CXM7	2 & 3	2 & 3	Open	Open	Open
AM486DX	2 & 3	2 & 3	Open	Open	1 & 2
(SL)AM486DX	2 & 3	2 & 3	Open	2 & 3	1 & 2
80486DX	2 & 3	2 & 3	Open	Open	1 & 2
SL80486DX	2 & 3	2 & 3	Open	Open	Open
AM486DX2	2 & 3	2 & 3	Open	Open	2 & 3
(SL)AM486DX2	2 & 3	2 & 3	Open	2 & 3	1 & 2
80486DX2	2 & 3	2 & 3	Open	Open	Open
SL80486DX2	2 & 3	2 & 3	Open	Open	Open
AM486DX4	2 & 3	2 & 3	Open	Open	1 & 2
(SL)AM486DX4	2 & 3	2 & 3	Open	2 & 3	1 & 2
80486DX4 (2x)	2 & 3	2 & 3	Open	Open	1 & 2
SL80486DX4 (2x)	2 & 3	2 & 3	Open	Open	Open
80486DX4 (2.5x)	2 & 3	2 & 3	Open	Open	1 & 2
SL80486DX4 (2.5x)	2 & 3	2 & 3	Open	Open	Open
80486DX4 (3x)	2 & 3	2 & 3	Open	Open	1 & 2
SL80486DX4 (3x)	2 & 3	2 & 3	Open	Open	Open
CXM9 (2x)	2 & 3	1 & 2	Open	1 & 2	Open
CXM9 (3x)	2 & 3	1 & 2	Open	1 & 2	Open
P24D (WB)	2 & 3	1 & 2	Open	1 & 2	1 & 2
P24D (WT)	2 & 3	1 & 2	Open	1 & 2	2 & 3
P24T (WB)	1 & 2	1 & 2	2 & 3	Open	Open
P24T (WT)	1 & 2	1 & 2	1 & 2	Open	Open
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP20	JP22	JP23	JP24	JP25
UMC486	Open	Open	Open	Open	Open
(SL)AM486SX	2 & 3	Closed	Open	4 & 5	4 & 5
804846SX	Open	Open	Open	Open	Open
SL804846SX	2 & 3	Closed	Open	1 & 2	4 & 5
CXM7	1 & 2	Closed	Open	Open	2 & 3
AM486DX	Open	Open	Open	Open	4 & 5
(SL)AM486DX	2 & 3	Closed	Open	4 & 5	4 & 5
80486DX	Open	Open	Open	Open	4 & 5
SL80486DX	2 & 3	Closed	Open	1 & 2	4 & 5
AM486DX2	Open	Open	Open	Open	4 & 5
(SL)AM486DX2	2 & 3	Closed	Open	4 & 5	4 & 5
80486DX2	2 & 3	Closed	Open	1 & 2	4 & 5
SL80486DX2	2 & 3	Closed	Open	1 & 2	4 & 5
AM486DX4	Open	Open	Open	Open	4 & 5
(SL)AM486DX4	2 & 3	Closed	Open	4 & 5	4 & 5
80486DX4 (2x)	Open	Open	Open	Open	4 & 5
SL80486DX4 (2x)	2 & 3	Closed	Open	1 & 2	4 & 5
80486DX4 (2.5x)	Open	Open	Open	Open	4 & 5
SL80486DX4 (2.5x)	2 & 3	Closed	Open	1 & 2	4 & 5
80486DX4 (3x)	Open	Open	Open	Open	4 & 5
SL80486DX4 (3x)	2 & 3	Closed	Open	1 & 2	4 & 5
CXM9 (2x)	Open	Closed	Open	2 & 3	2 & 3
CXM9 (3x)	Open	Closed	Open	2 & 3	2 & 3
P24D (WB)	2 & 3	Closed	Open	2 & 3	4 & 5
P24D (WT)	2 & 3	Closed	Open	2 & 3	4 & 5
P24T (WB)	2 & 3	Closed	Open	Open	1 & 2
P24T (WT)	2 & 3	Closed	Open	Open	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP26	JP27	JP29	JP33	JP34
UMC486	2 & 3	Open	Open	Open	Open
(SL)AM486SX	2 & 3	3 & 4	Open	Open	1 & 2
804846SX	2 & 3	Open	Open	Open	Open
SL804846SX	2 & 3	3 & 4	Open	Open	Open
CXM7	1 & 2, 3 & 4	2 & 3	Open	2 & 3	2 & 3
AM486DX	1 & 2, 3 & 4	3 & 4	Open	Open	Open
(SL)AM486DX	1 & 2, 3 & 4	3 & 4	Open	Open	1 & 2
80486DX	1 & 2, 3 & 4	3 & 4	Open	Open	Open
SL80486DX	1 & 2, 3 & 4	3 & 4	Open	Open	Open
AM486DX2	1 & 2, 3 & 4	3 & 4	Open	Open	Open
(SL)AM486DX2	1 & 2, 3 & 4	3 & 4	Open	Open	1 & 2
80486DX2	1 & 2, 3 & 4	3 & 4	Open	Open	Open
SL80486DX2	1 & 2, 3 & 4	3 & 4	Open	Open	Open
AM486DX4	1 & 2, 3 & 4	3 & 4	Open	Open	Open
(SL)AM486DX4	1 & 2, 3 & 4	3 & 4	Open	Open	1 & 2
80486DX4 (2x)	1 & 2, 3 & 4	3 & 4	2 & 3	Open	Open
SL80486DX4 (2x)	1 & 2, 3 & 4	3 & 4	2 & 3	Open	Open
80486DX4 (2.5x)	1 & 2, 3 & 4	3 & 4	1 & 2	Open	Open
SL80486DX4 (2.5x)	1 & 2, 3 & 4	3 & 4	1 & 2	Open	Open
80486DX4 (3x)	1 & 2, 3 & 4	3 & 4	Open	Open	Open
SL80486DX4 (3x)	1 & 2, 3 & 4	3 & 4	Open	Open	Open
CXM9 (2x)	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3	Open	1 & 2
CXM9 (3x)	1 & 2, 3 & 4	1 & 2, 3 & 4	Open	Open	1 & 2
P24D (WB)	1 & 2, 3 & 4	1 & 2, 3 & 4	Open	Open	1 & 2
P24D (WT)	1 & 2, 3 & 4	1 & 2, 3 & 4	Open	Open	1 & 2
P24T (WB)	1 & 2, 3 & 4	3 & 4	Open	1 & 2	1 & 2
P24T (WT)	1 & 2, 3 & 4	3 & 4	Open	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP13	JP16
25MHz	Pins 1 & 2 closed	Open
33MHz	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4 closed
40MHz	Pins 2 & 3 closed	Pins 1 & 2 closed
50iMHz	Pins 1 & 2 closed	Open
50MHz	Pins 2 & 3 closed	Pins 3 & 4 closed
66iMHz	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4 closed
75iMHz	Pins 1 & 2 closed	Open
100iMHz	Pins 1 & 2 closed	Pins 1 & 2, 3 & 4 closed

CPU VOLTAGE CONFIGURATION
Voltage	JP30	JP31	JP35
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	Any setting	Pins 1 & 2 closed

BIOS 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

GREEN PC CONFIGURATION
Setting	JP37
Doze mode	Pins 1 & 2 closed
Suspend mode	Pins 3 & 4 closed
Standby mode	Pins 5 & 6, 7 & 8 closed