PM4T (REV. 1.0)

ABIT COMPUTER CORPORATION

PM4T (REV. 1.0)

Processor

80486SX/SL80486SX/AM486DX/CX486DX/80486DX/SL80486DX/CX486DX2/ CX486DX2V/AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24D/Pentium Overdrive

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

256MB

Cache

128/256KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface 1

CN1

Speaker

JW2

IDE interface 2

CN2

Turbo LED

JW3

Parallel port

CN3

Turbo switch

JW4

Floppy drive interface

CN4

Reset switch

JW5

Serial port 1

J3

IDE interface LED

JW6

Serial port 2

J4

IDE interface LED

JW7

External battery

JP42

PS/2 mouse port

MS1

Green PC connector

JP43

32-bit PCI slots

PC1 - PC4

Power LED & keylock

JW1

Note: The location of JP42 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP1

N/A

»

CPU type select non 5v CPU

JP18

pins 3 & 5, 4 & 6 closed

CPU type select 5v CPU

JP18

pins 1 & 3, 2 & 4 closed

»

Factory configured - do not alter

JP23

Open

»

Factory configured - do not alter

JP25

Open

»

Factory configured - do not alter

JP27

N/A

»

Factory configured - do not alter

JP30

N/A

»

Factory configured - do not alter

JP31

N/A

»

Factory configured - do not alter

JP33

N/A

»

CMOS memory normal operation

JP37

pins 1 & 2 closed

CMOS memory clear

JP37

pins 2 & 3 closed

»

Factory configured - do not alter

JP51

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

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) 512K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

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) 512K x 36

(1) 1M 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) 1M x 36

(1) 1M x 36

NONE

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(1) 2M x 36

NONE

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) 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) 1M x 36

(1) 2M x 36

NONE

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) 512K x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

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) 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) 1M x 36

(1) 2M x 36

(1) 2M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE

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

26MB

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 1M 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

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

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) 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) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

36MB

(1) 8M x 36

(1) 1M x 36

NONE

NONE

40MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M 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

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 8M 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

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) 2M 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) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 16M x 36

NONE

NONE

NONE

65MB

(1) 16M x 36

(1) 256K x 36

NONE

NONE

66MB

(1) 16M x 36

(1) 256K x 36

(1) 256K x 36

NONE

66MB

(1) 512K x 36

(1) 8M x 36

(1) 8M x 36

NONE

66MB

(1) 512K x 36

(1) 16M x 36

NONE

NONE

67MB

(1) 16M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 16M x 36

(1) 1M x 36

NONE

NONE

72MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 2M x 36

(1) 16M x 36

NONE

NONE

72MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

NONE

72MB

(1) 16M x 36

(1) 2M x 36

NONE

NONE

76MB

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

80MB

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

NONE

80MB

(1) 16M x 36

(1) 4M x 36

NONE

NONE

88MB

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 8M x 36

(1) 16M x 36

NONE

NONE

96MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

NONE

96MB

(1) 16M x 36

(1) 8M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

112MB

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 16M 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

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

130MB

(1) 512K x 36

(1) 16M x 36

(1) 16M x 36

NONE

132MB

(1) 1M x 36

(1) 16M x 36

(1) 16M x 36

NONE

136MB

(1) 2M x 36

(1) 16M x 36

(1) 16M x 36

NONE

144MB

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

NONE

160MB

(1) 8M x 36

(1) 16M x 36

(1) 16M x 36

NONE

160MB

(1) 16M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

192MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

NONE

194MB

(1) 512K x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

196MB

(1) 1M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

200MB

(1) 2M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

208MB

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

224MB

(1) 8M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

256MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

Note: Board will accept x 32 SIMMs also.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K or (1) 16K x 8

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 16K or (1) 32K x 8

256KB (B)

(4) 64K x 8

NONE

(1) 16K or (1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP2

JP3

JP6

128KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB (A)

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB (B)

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

RN6

RN10

RN14

RN16

RN17

80486SX

Not installed

1 - 8

Not installed

Not installed

9 - 16

SL80486SX

Not installed

1 - 8

Not installed

Not installed

9 - 16

AM486DX

Not installed

1 - 8

1 - 8

Not installed

5 - 12

CX486DX

1 - 8

Not installed

1 - 8

Not installed

1 - 8

80486DX

Not installed

1 - 8

1 - 8

Not installed

5 - 12

SL80486DX

Not installed

1 - 8

1 - 8

Not installed

5 - 12

CX486DX2

1 - 8

Not installed

1 - 8

Not installed

1 - 8

CX486DX2V

1 - 8

Not installed

1 - 8

Not installed

1 - 8

AM486DX2

Not installed

1 - 8

1 - 8

Not installed

5 - 12

(SL)AM486DX2

Not installed

1 - 8

1 - 8

Not installed

5 - 12

80486DX2

Not installed

1 - 8

1 - 8

Not installed

5 - 12

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

RN6

RN10

RN14

RN16

RN17

SL80486DX2

Not installed

1 - 8

1 - 8

Not installed

5 - 12

AM486DX4

Not installed

1 - 8

1 - 8

Not installed

5 - 12

80486DX4

Not installed

1 - 8

1 - 8

Not installed

5 - 12

P24D

Not installed

1 - 8

1 - 8

1 - 8

Not installed

P24T

Not installed

3 - 10

3 - 10

9 - 16

Not installed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP13

JP24

JP32

80486SX

Open

Open

Open

SL80486SX

Open

Open

Open

AM486DX

pins 1 & 2 closed

Open

Open

CX486DX

Open

Open

Open

80486DX

Open

Open

Open

SL80486DX

Open

Open

Open

CX486DX2

Open

Open

Open

CX486DX2V

Open

Open

Open

AM486DX2

pins 1 & 2 closed

Open

Open

(SL)AM486DX2

pins 1 & 2 closed

Open

Closed

80486DX2

Open

Open

Open

SL80486DX2

Open

Open

Open

AM486DX4

pins 1 & 2 closed

Open

Open

80486DX4

Open

Open

Open

P24D

Open

pins 1 & 2 closed

Open

P24T

Open

Open

Open

CPU SPEED CONFIGURATION

Speed

JP12

JP14

25MHz

Open

Open

33MHz

Closed

Closed

40MHz

Open

Closed

50iMHz

Open

Open

66iMHz

Closed

Closed

75iMHz

Open

Open

80iMHz

Open

Closed

100iMHz

Closed

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JP18

JP19

JP20

JP21

JP22

3.3v

pins 3 & 5, 4 & 6 closed

Closed

Open

Open

Open

3.45v

pins 3 & 5, 4 & 6 closed

Open

Closed

Open

Open

3.6v

pins 3 & 5, 4 & 6 closed

Open

Open

Closed

Open

4v

pins 3 & 5, 4 & 6 closed

Open

Open

Open

Closed

5v

pins 1 & 3, 2 & 4 closed

N/A

N/A

N/A

N/A

Processor	80486SX/SL80486SX/AM486DX/CX486DX/80486DX/SL80486DX/CX486DX2/ CX486DX2V/AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24D/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/100(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	256MB
Cache	128/256KB
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface 1	CN1	Speaker	JW2
IDE interface 2	CN2	Turbo LED	JW3
Parallel port	CN3	Turbo switch	JW4
Floppy drive interface	CN4	Reset switch	JW5
Serial port 1	J3	IDE interface LED	JW6
Serial port 2	J4	IDE interface LED	JW7
External battery	JP42	PS/2 mouse port	MS1
Green PC connector	JP43	32-bit PCI slots	PC1 - PC4
Power LED & keylock	JW1
Note: The location of JP42 is unidentified.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP1	N/A
»	CPU type select non 5v CPU	JP18	pins 3 & 5, 4 & 6 closed
	CPU type select 5v CPU	JP18	pins 1 & 3, 2 & 4 closed
»	Factory configured - do not alter	JP23	Open
»	Factory configured - do not alter	JP25	Open
»	Factory configured - do not alter	JP27	N/A
»	Factory configured - do not alter	JP30	N/A
»	Factory configured - do not alter	JP31	N/A
»	Factory configured - do not alter	JP33	N/A
»	CMOS memory normal operation	JP37	pins 1 & 2 closed
	CMOS memory clear	JP37	pins 2 & 3 closed
»	Factory configured - do not alter	JP51	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
2MB	(1) 512K x 36	NONE	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) 512K x 36	(1) 256K x 36	(1) 256K x 36	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	NONE	NONE	NONE
4MB	(1) 512K x 36	(1) 512K x 36	NONE	NONE
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) 512K x 36	(1) 1M 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) 1M x 36	(1) 1M x 36	NONE	NONE

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
8MB	(1) 2M x 36	NONE	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) 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) 1M x 36	(1) 2M x 36	NONE	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) 512K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
16MB	(1) 4M x 36	NONE	NONE	NONE
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) 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) 1M x 36	(1) 2M x 36	(1) 2M x 36	NONE
20MB	(1) 1M x 36	(1) 4M x 36	NONE	NONE
20MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
24MB	(1) 2M x 36	(1) 4M x 36	NONE	NONE
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
26MB	(1) 512K x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
28MB	(1) 1M 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
32MB	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36	NONE
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 8M x 36	NONE	NONE	NONE
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) 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) 1M x 36	(1) 4M x 36	(1) 4M x 36	NONE
36MB	(1) 1M x 36	(1) 8M x 36	NONE	NONE
36MB	(1) 8M x 36	(1) 1M x 36	NONE	NONE
40MB	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36	NONE

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	NONE	(1) 8K or (1) 16K x 8
256KB (A)	(4) 32K x 8	(4) 32K x 8	(1) 16K or (1) 32K x 8
256KB (B)	(4) 64K x 8	NONE	(1) 16K or (1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP2	JP3	JP6
128KB	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
256KB (A)	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed
256KB (B)	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	RN6	RN10	RN14	RN16	RN17
80486SX	Not installed	1 - 8	Not installed	Not installed	9 - 16
SL80486SX	Not installed	1 - 8	Not installed	Not installed	9 - 16
AM486DX	Not installed	1 - 8	1 - 8	Not installed	5 - 12
CX486DX	1 - 8	Not installed	1 - 8	Not installed	1 - 8
80486DX	Not installed	1 - 8	1 - 8	Not installed	5 - 12
SL80486DX	Not installed	1 - 8	1 - 8	Not installed	5 - 12
CX486DX2	1 - 8	Not installed	1 - 8	Not installed	1 - 8
CX486DX2V	1 - 8	Not installed	1 - 8	Not installed	1 - 8
AM486DX2	Not installed	1 - 8	1 - 8	Not installed	5 - 12
(SL)AM486DX2	Not installed	1 - 8	1 - 8	Not installed	5 - 12
80486DX2	Not installed	1 - 8	1 - 8	Not installed	5 - 12
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	RN6	RN10	RN14	RN16	RN17
SL80486DX2	Not installed	1 - 8	1 - 8	Not installed	5 - 12
AM486DX4	Not installed	1 - 8	1 - 8	Not installed	5 - 12
80486DX4	Not installed	1 - 8	1 - 8	Not installed	5 - 12
P24D	Not installed	1 - 8	1 - 8	1 - 8	Not installed
P24T	Not installed	3 - 10	3 - 10	9 - 16	Not installed
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP13	JP24	JP32
80486SX	Open	Open	Open
SL80486SX	Open	Open	Open
AM486DX	pins 1 & 2 closed	Open	Open
CX486DX	Open	Open	Open
80486DX	Open	Open	Open
SL80486DX	Open	Open	Open
CX486DX2	Open	Open	Open
CX486DX2V	Open	Open	Open
AM486DX2	pins 1 & 2 closed	Open	Open
(SL)AM486DX2	pins 1 & 2 closed	Open	Closed
80486DX2	Open	Open	Open
SL80486DX2	Open	Open	Open
AM486DX4	pins 1 & 2 closed	Open	Open
80486DX4	Open	Open	Open
P24D	Open	pins 1 & 2 closed	Open
P24T	Open	Open	Open

CPU SPEED CONFIGURATION
Speed	JP12	JP14
25MHz	Open	Open
33MHz	Closed	Closed
40MHz	Open	Closed
50iMHz	Open	Open
66iMHz	Closed	Closed
75iMHz	Open	Open
80iMHz	Open	Closed
100iMHz	Closed	Closed

CPU VOLTAGE CONFIGURATION
Voltage	JP18	JP19	JP20	JP21	JP22
3.3v	pins 3 & 5, 4 & 6 closed	Closed	Open	Open	Open
3.45v	pins 3 & 5, 4 & 6 closed	Open	Closed	Open	Open
3.6v	pins 3 & 5, 4 & 6 closed	Open	Open	Closed	Open
4v	pins 3 & 5, 4 & 6 closed	Open	Open	Open	Closed
5v	pins 1 & 3, 2 & 4 closed	N/A	N/A	N/A	N/A