486-PVT (REV. B2) Motherboard Settings and Configuration

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486-PVT (REV. B2)

Processor
CX486SX/80486SX/SL80486SX/AM486DX/80486DX/SL80486DX/ CX486DX/CX486DXV/CX486DX2/CX486DX2V/AM486DX2/ 80486DX2/SL80486DX2/80486DX4/P24CT/P24D/P24T
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set
VIA
Video Chip Set
None
Maximum Onboard Memory
128MB
Maximum Video Memory
None
Cache
128/256/512KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
32-bit VESA local bus slots (2), green PC connector, Low voltage regulator board connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Low voltage regulator board connector
CN6
Speaker
J8
Green PC LED
J3
Power LED & keylock
J9
Green PC connector
J4
Green PC connector
J10
Turbo LED
J5
Chassis fan power
J11
Turbo switch
J6
32-bit VESA local bus slots
SL1 & SL2
Reset switch
J7

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Password normal operation
JCP
Open

Password clear
JCP
Closed
»
Monitor type select monochrome/EGA/VGA
JP1
Open

Monitor type select color
JP1
Closed

Jumper information unavailable
JP2
Unidentified

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
None
None
None
1MB
None
(1) 256K x 36
None
None
1MB
None
None
(1) 256K x 36
None
2MB
(1) 256K x 36
(1) 256K x 36
None
None
2MB
(1) 256K x 36
None
(1) 256K x 36
None
2MB
None
None
(1) 256K x 36
(1) 256K x 36
2MB
None
(1) 256K x 36
(1) 256K x 36
None
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
None
3MB
None
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
3MB
(1) 256K x 36
None
(1) 256K x 36
(1) 256K x 36
4MB
(1) 1M x 36
None
None
None
4MB
None
(1) 1M x 36
None
None
4MB
None
None
(1) 1M x 36
None
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
5MB
(1) 256K x 36
(1) 1M x 36
None
None
5MB
(1) 256K x 36
None
(1) 1M x 36
None
5MB
(1) 1M x 36
(1) 256K x 36
None
None
5MB
(1) 1M x 36
None
(1) 256K x 36
None
5MB
None
(1) 256K x 36
(1) 1M x 36
None
5MB
None
(1) 1M x 36
(1) 256K x 36
None
6MB
(1) 256K x 36
(1) 256K x 36
(1) 1M x 36
None
6MB
(1) 256K x 36
(1) 1M x 36
(1) 256K x 36
None
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
None
6MB
None
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
6MB
(1) 1M x 36
None
(1) 256K x 36
(1) 256K x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
7MB
(1) 256K x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
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
8MB
(1) 1M x 36
None
(1) 1M x 36
None
8MB
None
(1) 1M x 36
(1) 1M x 36
None
8MB
None
None
(1) 1M x 36
(1) 1M x 36
9MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
None
9MB
(1) 1M x 36
(1) 256K x 36
(1) 1M x 36
None
9MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
None
9MB
None
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
9MB
(1) 256K x 36
None
(1) 1M x 36
(1) 1M x 36
10MB
(1) 256K x 36
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
10MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
None
12MB
None
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
12MB
(1) 1M x 36
None
(1) 1M x 36
(1) 1M x 36
13MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
13MB
(1) 1M x 36
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
16MB
None
(1) 4M x 36
None
None
16MB
None
None
(1) 4M x 36
None
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
17MB
(1) 256K x 36
(1) 4M x 36
None
None
17MB
(1) 256K x 36
None
(1) 4M x 36
None
17MB
None
(1) 256K x 36
(1) 4M x 36
None
17MB
None
(1) 4M x 36
(1) 256K x 36
None
18MB
(1) 256K x 36
(1) 256K x 36
(1) 4M x 36
None
18MB
(1) 256K x 36
(1) 4M x 36
(1) 256K x 36
None
18MB
None
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
19MB
(1) 256K x 36
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
20MB
(1) 1M x 36
(1) 4M x 36
None
None
20MB
(1) 1M x 36
None
(1) 4M x 36
None
20MB
None
(1) 1M x 36
(1) 4M x 36
None
20MB
None
(1) 4M x 36
(1) 1M x 36
None
21MB
(1) 256K x 36
(1) 1M x 36
(1) 4M x 36
None
21MB
(1) 256K x 36
(1) 4M x 36
(1) 1M x 36
None
21MB
(1) 1M x 36
(1) 256K x 36
(1) 4M x 36
None
21MB
(1) 1M x 36
(1) 4M x 36
(1) 256K x 36
None
22MB
(1) 1M x 36
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
24MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
None
24MB
(1) 1M x 36
(1) 4M x 36
(1) 1M x 36
None
24MB
None
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
25MB
(1) 256K x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
28MB
(1) 1M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
32MB
None
None
(1) 4M x 36
(1) 4M x 36
32MB
(1) 8M x 36
None
None
None
32MB
None
(1) 8M x 36
None
None
32MB
None
(1) 4M x 36
(1) 4M x 36
None
33MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
None
33MB
None
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
33MB
(1) 256K x 36
None
(1) 4M x 36
(1) 4M x 36
34MB
(1) 256K x 36
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
36MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
None
36MB
None
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
36MB
(1) 1M x 36
None
(1) 4M x 36
(1) 4M x 36
37MB
(1) 256K x 36
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
37MB
(1) 1M x 36
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
40MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
48MB
None
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
49MB
(1) 256K 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
64MB
None
(1) 8M x 36
(1) 8M x 36
None
65MB
(1) 256K x 36
(1) 8M x 36
(1) 8M x 36
None
66MB
(1) 256K x 36
(1) 256K x 36
(1) 8M x 36
(1) 8M x 36
66MB
(1) 256K x 36
(1) 8M x 36
(1) 256K x 36
(1) 8M x 36
66MB
(1) 8M x 36
(1) 8M 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) 8M x 36
(1) 8M x 36
None
68MB
None
(1) 1M x 36
(1) 8M x 36
(1) 8M x 36
68MB
(1) 8M x 36
(1) 8M x 36
(1) 1M x 36
None
69MB
(1) 256K x 36
(1) 8M x 36
(1) 1M x 36
(1) 8M x 36
69MB
(1) 1M x 36
(1) 256K x 36
(1) 8M x 36
(1) 8M x 36
69MB
(1) 1M x 36
(1) 8M x 36
(1) 256K x 36
(1) 8M x 36
72MB
(1) 1M x 36
(1) 1M x 36
(1) 8M x 36
(1) 8M x 36
72MB
(1) 1M x 36
(1) 8M x 36
(1) 1M x 36
(1) 8M x 36
72MB
(1) 8M x 36
(1) 8M x 36
(1) 1M x 36
(1) 1M x 36
80MB
(1) 8M x 36
(1) 4M x 36
(1) 8M x 36
None
80MB
(1) 8M x 36
(1) 8M x 36
(1) 4M x 36
None
81MB
(1) 256K x 36
(1) 4M x 36
(1) 8M x 36
(1) 8M x 36
81MB
(1) 256K x 36
(1) 8M x 36
(1) 4M x 36
(1) 8M x 36
84MB
(1) 1M x 36
(1) 4M x 36
(1) 8M x 36
(1) 8M x 36
84MB
(1) 1M x 36
(1) 8M x 36
(1) 4M x 36
(1) 8M x 36
96MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
None
97MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 256K 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/32K x 8
256KB
(4) 64K x 8
(1) 32K x 8
512KB
(4) 128K x 8
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JS1
JS2
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 SPEED SELECTION
Speed
JK1
JK2
JK3
JK4
25MHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
33MHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
40MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
50iMHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
50MHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
66iMHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
75iMHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
100iMHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed

CPU TYPE SELECTION
Type
JC1
JC2
JC3
JC4
JC5
CX486SX
2 & 3
2 & 3
1 & 2
Open
2 & 3
80486SX
2 & 3
2 & 3
1 & 2
Open
1 & 2
SL80486SX
2 & 3
2 & 3
1 & 2
Open
1 & 2
AM486DX
1 & 2
1 & 2
1 & 2
Open
1 & 2
80486DX
1 & 2
1 & 2
1 & 2
Open
1 & 2
SL 80486DX
1 & 2
1 & 2
1 & 2
Open
1 & 2
CX486DX
1 & 2
1 & 2
1 & 2
Open
1 & 2
CX486DXV
1 & 2
1 & 2
1 & 2
Open
2 & 3
CX486DX2
1 & 2
1 & 2
1 & 2
Open
1 & 2
CX486DX2V
1 & 2
1 & 2
1 & 2
Open
2 & 3
AM486DX2
1 & 2
1 & 2
1 & 2
Open
1 & 2
80486DX2
1 & 2
1 & 2
1 & 2
Open
1 & 2
SL 80486DX2
1 & 2
1 & 2
1 & 2
Open
1 & 2
80486DX4
1 & 2
1 & 2
1 & 2
Open
1 & 2
P24CT
1 & 2
1 & 2
1 & 2
Closed
1 & 2
P24D
1 & 2
1 & 2
1 & 2
Closed
1 & 2
P24T
1 & 2
1 & 2
1 & 2
Closed
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
RN16
RN17
RN18
RN19
CX486SX
Installed
Not installed
Not installed
Not installed
80486SX
Not installed
Not installed
Not installed
Installed
SL80486SX
Not installed
Not installed
Not installed
Installed
AM486DX
Not installed
Not installed
Installed
Not installed
80486DX
Not installed
Not installed
Not installed
Installed
SL 80486DX
Not installed
Not installed
Not installed
Installed
CX486DX
Installed
Not installed
Not installed
Not installed
CX486DXV
Installed
Not installed
Not installed
Not installed
CX486DX2
Installed
Not installed
Not installed
Not installed
CX486DX2V
Installed
Not installed
Not installed
Not installed
AM486DX2
Not installed
Not installed
Installed
Not installed
80486DX2
Not installed
Not installed
Not installed
Installed
SL 80486DX2
Not installed
Not installed
Not installed
Installed
AM486DX4
Not installed
Not installed
Installed
Not installed
80486DX4
Not installed
Not installed
Not installed
Installed
P24CT
Not installed
Installed
Not installed
Installed
P24D
Not installed
Installed
Not installed
Installed

CPU TYPE SELECTION
Type
JP3
All CPU types
Pins 1 & 2 closed
Cyrix CPUs only
Pins 2 & 3 closed

CPU TYPE SELECTION (AMD ONLY)
Type
J12
AM486DX2
Closed
AM486DX4
Open

CPU SPEED MULTIPLIER SELECTION (AMD ONLY)
Multiplier
J2
2x
Closed
3x
Open

CPU VOLTAGE SELECTION
Voltage
JCV1
JCV2
CN6
3v
1 & 2
Open
7 & 8, 9 & 10
3.3v
2 & 3
Open
7 & 8, 9 & 10
3.45v
Jumper together pin 2 on JCV1 and pin 2 on JCV2
7 & 8, 9 & 10
3.6v
Open
1 & 2
7 & 8, 9 & 10
4v
Open
2 & 3
7 & 8, 9 & 10
5v
Jumper together pin 2 on JCV1 and pin 2 on JCV2
1 & 2, 3 & 4, 13 & 14, 15 & 16
Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION
Setting
JV1
»
0
Pins 2 & 3 closed

1
Pins 1 & 2 closed

VL BUS SPEED SELECTION
Speed
JV2
»
<= 33MHz
Pins 2 & 3 closed

>33 MHz
Pins 1 & 2 closed

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486-PVT (REV. B2) Motherboard Settings and Configuration

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Processor	CX486SX/80486SX/SL80486SX/AM486DX/80486DX/SL80486DX/ CX486DX/CX486DXV/CX486DX2/CX486DX2V/AM486DX2/ 80486DX2/SL80486DX2/80486DX4/P24CT/P24D/P24T
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	VIA
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256/512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit VESA local bus slots (2), green PC connector, Low voltage regulator board connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Low voltage regulator board connector	CN6	Speaker	J8
Green PC LED	J3	Power LED & keylock	J9
Green PC connector	J4	Green PC connector	J10
Turbo LED	J5	Chassis fan power	J11
Turbo switch	J6	32-bit VESA local bus slots	SL1 & SL2
Reset switch	J7

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Password normal operation	JCP	Open
	Password clear	JCP	Closed
»	Monitor type select monochrome/EGA/VGA	JP1	Open
	Monitor type select color	JP1	Closed
	Jumper information unavailable	JP2	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	None	None	None
1MB	None	(1) 256K x 36	None	None
1MB	None	None	(1) 256K x 36	None
2MB	(1) 256K x 36	(1) 256K x 36	None	None
2MB	(1) 256K x 36	None	(1) 256K x 36	None
2MB	None	None	(1) 256K x 36	(1) 256K x 36
2MB	None	(1) 256K x 36	(1) 256K x 36	None
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	None
3MB	None	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
3MB	(1) 256K x 36	None	(1) 256K x 36	(1) 256K x 36
4MB	(1) 1M x 36	None	None	None
4MB	None	(1) 1M x 36	None	None
4MB	None	None	(1) 1M x 36	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 256K x 36	(1) 1M x 36	None	None
5MB	(1) 256K x 36	None	(1) 1M x 36	None
5MB	(1) 1M x 36	(1) 256K x 36	None	None
5MB	(1) 1M x 36	None	(1) 256K x 36	None
5MB	None	(1) 256K x 36	(1) 1M x 36	None
5MB	None	(1) 1M x 36	(1) 256K x 36	None
6MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	None
6MB	(1) 256K x 36	(1) 1M x 36	(1) 256K x 36	None
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	None
6MB	None	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
6MB	(1) 1M x 36	None	(1) 256K x 36	(1) 256K x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
7MB	(1) 256K x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
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
8MB	(1) 1M x 36	None	(1) 1M x 36	None
8MB	None	(1) 1M x 36	(1) 1M x 36	None
8MB	None	None	(1) 1M x 36	(1) 1M x 36
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	None
9MB	(1) 1M x 36	(1) 256K x 36	(1) 1M x 36	None
9MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	None
9MB	None	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
9MB	(1) 256K x 36	None	(1) 1M x 36	(1) 1M x 36
10MB	(1) 256K x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
12MB	None	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 1M x 36	None	(1) 1M x 36	(1) 1M x 36
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
13MB	(1) 1M x 36	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36
16MB	None	(1) 4M x 36	None	None
16MB	None	None	(1) 4M x 36	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
17MB	(1) 256K x 36	(1) 4M x 36	None	None
17MB	(1) 256K x 36	None	(1) 4M x 36	None
17MB	None	(1) 256K x 36	(1) 4M x 36	None
17MB	None	(1) 4M x 36	(1) 256K x 36	None
18MB	(1) 256K x 36	(1) 256K x 36	(1) 4M x 36	None
18MB	(1) 256K x 36	(1) 4M x 36	(1) 256K x 36	None
18MB	None	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
19MB	(1) 256K x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 1M x 36	(1) 4M x 36	None	None
20MB	(1) 1M x 36	None	(1) 4M x 36	None
20MB	None	(1) 1M x 36	(1) 4M x 36	None
20MB	None	(1) 4M x 36	(1) 1M x 36	None
21MB	(1) 256K x 36	(1) 1M x 36	(1) 4M x 36	None
21MB	(1) 256K x 36	(1) 4M x 36	(1) 1M x 36	None
21MB	(1) 1M x 36	(1) 256K x 36	(1) 4M x 36	None
21MB	(1) 1M x 36	(1) 4M x 36	(1) 256K x 36	None
22MB	(1) 1M x 36	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	None
24MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	None
24MB	None	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
25MB	(1) 256K x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
28MB	(1) 1M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36

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

CACHE JUMPER CONFIGURATION
Size	JS1	JS2
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 SPEED SELECTION
Speed	JK1	JK2	JK3	JK4
25MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
33MHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
40MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
50iMHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
50MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
66iMHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
75iMHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
100iMHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

CPU TYPE SELECTION
Type	JC1	JC2	JC3	JC4	JC5
CX486SX	2 & 3	2 & 3	1 & 2	Open	2 & 3
80486SX	2 & 3	2 & 3	1 & 2	Open	1 & 2
SL80486SX	2 & 3	2 & 3	1 & 2	Open	1 & 2
AM486DX	1 & 2	1 & 2	1 & 2	Open	1 & 2
80486DX	1 & 2	1 & 2	1 & 2	Open	1 & 2
SL 80486DX	1 & 2	1 & 2	1 & 2	Open	1 & 2
CX486DX	1 & 2	1 & 2	1 & 2	Open	1 & 2
CX486DXV	1 & 2	1 & 2	1 & 2	Open	2 & 3
CX486DX2	1 & 2	1 & 2	1 & 2	Open	1 & 2
CX486DX2V	1 & 2	1 & 2	1 & 2	Open	2 & 3
AM486DX2	1 & 2	1 & 2	1 & 2	Open	1 & 2
80486DX2	1 & 2	1 & 2	1 & 2	Open	1 & 2
SL 80486DX2	1 & 2	1 & 2	1 & 2	Open	1 & 2
80486DX4	1 & 2	1 & 2	1 & 2	Open	1 & 2
P24CT	1 & 2	1 & 2	1 & 2	Closed	1 & 2
P24D	1 & 2	1 & 2	1 & 2	Closed	1 & 2
P24T	1 & 2	1 & 2	1 & 2	Closed	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	RN16	RN17	RN18	RN19
CX486SX	Installed	Not installed	Not installed	Not installed
80486SX	Not installed	Not installed	Not installed	Installed
SL80486SX	Not installed	Not installed	Not installed	Installed
AM486DX	Not installed	Not installed	Installed	Not installed
80486DX	Not installed	Not installed	Not installed	Installed
SL 80486DX	Not installed	Not installed	Not installed	Installed
CX486DX	Installed	Not installed	Not installed	Not installed
CX486DXV	Installed	Not installed	Not installed	Not installed
CX486DX2	Installed	Not installed	Not installed	Not installed
CX486DX2V	Installed	Not installed	Not installed	Not installed
AM486DX2	Not installed	Not installed	Installed	Not installed
80486DX2	Not installed	Not installed	Not installed	Installed
SL 80486DX2	Not installed	Not installed	Not installed	Installed
AM486DX4	Not installed	Not installed	Installed	Not installed
80486DX4	Not installed	Not installed	Not installed	Installed
P24CT	Not installed	Installed	Not installed	Installed
P24D	Not installed	Installed	Not installed	Installed

CPU TYPE SELECTION
Type	JP3
All CPU types	Pins 1 & 2 closed
Cyrix CPUs only	Pins 2 & 3 closed

CPU TYPE SELECTION (AMD ONLY)
Type	J12
AM486DX2	Closed
AM486DX4	Open

CPU SPEED MULTIPLIER SELECTION (AMD ONLY)
Multiplier	J2
2x	Closed
3x	Open

CPU VOLTAGE SELECTION
Voltage	JCV1	JCV2	CN6
3v	1 & 2	Open	7 & 8, 9 & 10
3.3v	2 & 3	Open	7 & 8, 9 & 10
3.45v	Jumper together pin 2 on JCV1 and pin 2 on JCV2	7 & 8, 9 & 10
3.6v	Open	1 & 2	7 & 8, 9 & 10
4v	Open	2 & 3	7 & 8, 9 & 10
5v	Jumper together pin 2 on JCV1 and pin 2 on JCV2	1 & 2, 3 & 4, 13 & 14, 15 & 16
Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION
Setting		JV1
»	0	Pins 2 & 3 closed
	1	Pins 1 & 2 closed

VL BUS SPEED SELECTION
Speed		JV2
»	<= 33MHz	Pins 2 & 3 closed
	>33 MHz	Pins 1 & 2 closed