MB-U88IVIPIM Motherboard Settings and Configuration

PC WARE INTERNATIONAL, INC.

MB-U88IVIPIM

Processor
CX486DX/IBM486DX/TI486DX/SGS486DX/80486DX/CX486DX2/ IBM486DX2/TI486DX2/SGS486DX2/AM486DX2/80486DX2/
CX486DX4/IBM486DX4/TI486DX4/SGS486DX4/AM486DX4/
80486DX4/P24D/CX5X86/AM K5
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/ 120(internal)/133MHz
Chip Set
UMC
Video Chip Set
None
Maximum Onboard Memory
128MB
Maximum Video Memory
None
Cache
128/256/512/1024KB
BIOS
AMI
Dimensions
250mm x 220mm
I/O Options
32-bit VESA local bus slot, 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
CN1
Turbo LED
J10
Serial port 2
CN2
Reset switch
J11
Parallel port
CN3
Turbo switch
J12
Floppy drive interface
CN4
IDE interface LED
J13
IDE interface 1
CN5
Green PC connector
J14
IDE interface 2
CN6
32-bit PCI slots
PC1 - PC3
External battery
J4
32-bit VESA local bus slot
SL1
Power LED & keylock
J8
Cache slot
SL2
Speaker
J9

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Battery type select internal
J4
Closed

Battery type select external
J4
Pins 2 & 3 closed
»
CMOS memory clear
J4
Pins 3 & 4 closed

Factory configured - do not alter
JP1
N/A
»
Flash BIOS voltage select 12v
JP2
Pins 1 & 2 closed

Flash BIOS voltage select 5v
JP2
Pins 2 & 3 closed
Note: The location of JP2 is unidentified.

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
1MB
(4) 256K x 9
None
None
1MB
None
(1) 256K x 36
None
2MB
(4) 256K x 9
(1) 256K x 36
None
2MB
None
(1) 256K x 36
(1) 256K x 36
3MB
(4) 256K x 9
(1) 256K x 36
(1) 256K x 36
4MB
(4) 1M x 9
None
None
4MB
None
(1) 1M x 36
None
5MB
(4) 1M x 9
(1) 256K x 36
None
5MB
(4) 256K x 9
(1) 1M x 36
None
6MB
(4) 1M x 9
(1) 256K x 36
(1) 256K x 36
8MB
(4) 1M x 9
(1) 1M x 36
None
8MB
None
(1) 1M x 36
(1) 1M x 36
8MB
None
(1) 2M x 36
None
9MB
(4) 256K x 9
(1) 1M x 36
(1) 1M x 36
9MB
(4) 256K x 9
(1) 2M x 36
None
12MB
(4) 1M x 9
(1) 1M x 36
(1) 1M x 36
12MB
(4) 1M x 9
(1) 2M x 36
None
16MB
(4) 4M x 9
None
None
16MB
None
(1) 2M x 36
(1) 2M x 36
16MB
None
(1) 4M x 36
None
17MB
(4) 4M x 9
(1) 256K x 36
None

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
17MB
(4) 256K x 9
(1) 2M x 36
(1) 2M x 36
17MB
(4) 256K x 9
(1) 4M x 36
None
18MB
(4) 4M x 9
(1) 256K x 36
(1) 256K x 36
20MB
(4) 4M x 9
(1) 1M x 36
None
20MB
(4) 1M x 9
(1) 2M x 36
(1) 2M x 36
20MB
(4) 1M x 9
(1) 4M x 36
None
24MB
(4) 4M x 9
(1) 1M x 36
(1) 1M x 36
24MB
(4) 4M x 9
(1) 2M x 36
None
32MB
(4) 4M x 9
(1) 2M x 36
(1) 2M x 36
32MB
(4) 4M x 9
(1) 4M x 36
None
32MB
None
(1) 4M x 36
(1) 4M x 36
32MB
None
(1) 8M x 36
None
33MB
(4) 256K x 9
(1) 4M x 36
(1) 4M x 36
33MB
(4) 256K x 9
(1) 8M x 36
None
36MB
(4) 1M x 9
(1) 4M x 36
(1) 4M x 36
36MB
(4) 1M x 9
(1) 8M x 36
None
48MB
(4) 4M x 9
(1) 4M x 36
(1) 4M x 36
48MB
(4) 4M x 9
(1) 8M x 36
None
64MB
(4) 16M x 9
None
None
64MB
None
(1) 8M x 36
(1) 8M x 36
64MB
None
(1) 16M x 36
None
65MB
(4) 16M x 9
(1) 256K x 36
None
65MB
(4) 256K x 9
(1) 8M x 36
(1) 8M x 36
65MB
(4) 256K x 9
(1) 16M x 36
None
66MB
(4) 16M x 9
(1) 256K x 36
(1) 256K x 36
68MB
(4) 16M x 9
(1) 1M x 36
None
68MB
(4) 1M x 9
(1) 8M x 36
(1) 8M x 36
68MB
(4) 1M x 9
(1) 16M x 36
None
72MB
(4) 16M x 9
(1) 1M x 36
(1) 1M x 36
72MB
(4) 16M x 9
(1) 2M x 36
None
80MB
(4) 16M x 9
(1) 2M x 36
(1) 2M x 36
80MB
(4) 16M x 9
(1) 4M x 36
None
80MB
(4) 4M x 9
(1) 8M x 36
(1) 8M x 36
80MB
(4) 4M x 9
(1) 16M x 36
None
96MB
(4) 16M x 9
(1) 4M x 36
(1) 4M x 36
96MB
(4) 16M x 9
(1) 8M x 36
None
128MB
(4) 16M x 9
(1) 8M x 36
(1) 8M x 36
128MB
(4) 16M x 9
(1) 16M x 36
None
128MB
None
(1) 16M x 36
(1) 16M x 36
128MB
None
(1) 32M x 36
None

CACHE CONFIGURATION
Size
SL1
128KB
128KB module installed
256KB
256KB module installed
512KB
512KB module installed
1MB
1MB module installed

CPU TYPE CONFIGURATION
Type
JP6
JP7
JP13
JP8A
JP8B
CX486DX
Open
Open
Open
Open
1 & 2
IBM486DX
Open
Open
Open
Open
1 & 2
TI486DX
Open
Open
Open
Open
1 & 2
SGS486DX
Open
Open
Open
Open
1 & 2
80486DX
Open
Closed
Open
2 & 3
Open
CX486DX2
Open
Open
Open
Open
1 & 2
IBM486DX2
Open
Open
Open
Open
1 & 2
TI486DX2
Open
Open
Open
Open
1 & 2
SGS486DX2
Open
Open
Open
Open
1 & 2
AM486DX2
Open
Closed
Open
2 & 3
Open
80486DX2
Open
Closed
Open
2 & 3
Open
CX486DX4
Open
Open
Open
Open
1 & 2
(SL)CX486DX4
Open
Open
Closed
1 & 2
Open
IBM486DX4
Open
Open
Open
Open
1 & 2
(SL)IBM486DX4
Open
Open
Closed
1 & 2
Open
TI486DX4
Open
Open
Open
Open
1 & 2
SGS486DX4
Open
Open
Open
Open
1 & 2
(SL)SGS486DX4
Open
Open
Closed
1 & 2
Open
AM486DX4
Open
Closed
Open
2 & 3
Open
80486DX4
Open
Open
Open
2 & 3
Open
P24D
Open
Open
Open
1 & 2
Open
CX5X86-133
Closed
Open
Open
1 & 2
Open
AM X5
Closed
Open
Open
1 & 2
Open
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP9A
JP9B
JP9C
JP10A
JP10B
CX486DX
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
IBM486DX
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
TI486DX
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
SGS486DX
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
80486DX
2 & 3
Open
Open
3 & 4
Open
CX486DX2
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
IBM486DX2
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
TI486DX2
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
SGS486DX2
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
AM486DX2
2 & 3
Open
Open
3 & 4
Open
80486DX2
2 & 3
Open
Open
3 & 4
Open
CX486DX4
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
(SL)CX486DX4
1 & 2
1 & 2, 3 & 4
3 & 4
3 & 4
1 & 2, 3 & 4
IBM486DX4
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
(SL)IBM486DX4
1 & 2
1 & 2, 3 & 4
3 & 4
3 & 4
1 & 2, 3 & 4
TI486DX4
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
SGS486DX4
1 & 2
1 & 2
2 & 3
3 & 4
2 & 3
(SL)SGS486DX4
1 & 2
1 & 2, 3 & 4
3 & 4
3 & 4
1 & 2, 3 & 4
AM486DX4
2 & 3
Open
Open
3 & 4
Open
80486DX4
1 & 2
1 & 2
Open
3 & 4
1 & 2
P24D
1 & 2
1 & 2, 3 & 4
3 & 4
3 & 4
1 & 2, 3 & 4
CX5X86-133
1 & 2
1 & 2, 3 & 4
3 & 4
3 & 4
1 & 2, 3 & 4
AM X5
1 & 2
1 & 2, 3 & 4
3 & 4
3 & 4
1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP10C
JP11
JP12
JP14
CX486DX
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
IBM486DX
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
TI486DX
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
SGS486DX
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
80486DX
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
Open
CX486DX2
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
IBM486DX2
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
TI486DX2
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
SGS486DX2
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
AM486DX2
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
Open
80486DX2
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
Open
CX486DX4
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
(SL)CX486DX4
1 & 2, 3 & 4
Open
2 & 4, 3 & 5
2 & 3, 4 & 5
IBM486DX4
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
(SL)IBM486DX4
1 & 2, 3 & 4
Open
2 & 4, 3 & 5
2 & 3, 4 & 5
TI486DX4
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
SGS486DX4
1 & 2, 3 & 4
2 & 3
2 & 4, 3 & 5
1 & 2, 3 & 4
(SL)SGS486DX4
1 & 2, 3 & 4
Open
2 & 4, 3 & 5
2 & 3, 4 & 5
AM486DX4
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
Open
80486DX4
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
2 & 3, 4 & 5
P24D
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
2 & 3, 4 & 5
CX5X86-133
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
2 & 3, 4 & 5
AM X5
1 & 2, 3 & 4
Open
1 & 3, 2 & 4
2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION (DX4/5X86/X5 ONLY)
Speed
JP6
2x
Closed
3x
Open
4x
Closed

CPU SPEED CONFIGURATION
Speed
JP3
25MHz
Pins 5 & 6 closed
33MHz
Pins 1 & 2, 3 & 4, 5 & 6 closed
40MHz
Pins 3 & 4, 5 & 6 closed
50iMHz
Pins 5 & 6 closed
50MHz
Pins 1 & 2 closed
66iMHz
Pins 1 & 2, 3 & 4, 5 & 6 closed
75iMHz
Pins 5 & 6 closed
80iMHz
Pins 3 & 4, 5 & 6 closed
100iMHz
Pins 1 & 2, 3 & 4, 5 & 6 closed
120iMHz
Pins 3 & 4, 5 & 6 closed
133iMHz
Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU VOLTAGE CONFIGURATION
Voltage
JP4
JP5A
JP5B
JP5C
JP5D
3.3v
Closed
1 & 2
1 & 2
1 & 2
1 & 2
4v
Open
1 & 2
1 & 2
1 & 2
1 & 2
5v
Closed
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

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Processor	CX486DX/IBM486DX/TI486DX/SGS486DX/80486DX/CX486DX2/ IBM486DX2/TI486DX2/SGS486DX2/AM486DX2/80486DX2/ CX486DX4/IBM486DX4/TI486DX4/SGS486DX4/AM486DX4/ 80486DX4/P24D/CX5X86/AM K5
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/ 120(internal)/133MHz
Chip Set	UMC
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256/512/1024KB
BIOS	AMI
Dimensions	250mm x 220mm
I/O Options	32-bit VESA local bus slot, 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Turbo LED	J10
Serial port 2	CN2	Reset switch	J11
Parallel port	CN3	Turbo switch	J12
Floppy drive interface	CN4	IDE interface LED	J13
IDE interface 1	CN5	Green PC connector	J14
IDE interface 2	CN6	32-bit PCI slots	PC1 - PC3
External battery	J4	32-bit VESA local bus slot	SL1
Power LED & keylock	J8	Cache slot	SL2
Speaker	J9

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Battery type select internal	J4	Closed
	Battery type select external	J4	Pins 2 & 3 closed
»	CMOS memory clear	J4	Pins 3 & 4 closed
	Factory configured - do not alter	JP1	N/A
»	Flash BIOS voltage select 12v	JP2	Pins 1 & 2 closed
	Flash BIOS voltage select 5v	JP2	Pins 2 & 3 closed
Note: The location of JP2 is unidentified.

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
1MB	(4) 256K x 9	None	None
1MB	None	(1) 256K x 36	None
2MB	(4) 256K x 9	(1) 256K x 36	None
2MB	None	(1) 256K x 36	(1) 256K x 36
3MB	(4) 256K x 9	(1) 256K x 36	(1) 256K x 36
4MB	(4) 1M x 9	None	None
4MB	None	(1) 1M x 36	None
5MB	(4) 1M x 9	(1) 256K x 36	None
5MB	(4) 256K x 9	(1) 1M x 36	None
6MB	(4) 1M x 9	(1) 256K x 36	(1) 256K x 36
8MB	(4) 1M x 9	(1) 1M x 36	None
8MB	None	(1) 1M x 36	(1) 1M x 36
8MB	None	(1) 2M x 36	None
9MB	(4) 256K x 9	(1) 1M x 36	(1) 1M x 36
9MB	(4) 256K x 9	(1) 2M x 36	None
12MB	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
12MB	(4) 1M x 9	(1) 2M x 36	None
16MB	(4) 4M x 9	None	None
16MB	None	(1) 2M x 36	(1) 2M x 36
16MB	None	(1) 4M x 36	None
17MB	(4) 4M x 9	(1) 256K x 36	None

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
17MB	(4) 256K x 9	(1) 2M x 36	(1) 2M x 36
17MB	(4) 256K x 9	(1) 4M x 36	None
18MB	(4) 4M x 9	(1) 256K x 36	(1) 256K x 36
20MB	(4) 4M x 9	(1) 1M x 36	None
20MB	(4) 1M x 9	(1) 2M x 36	(1) 2M x 36
20MB	(4) 1M x 9	(1) 4M x 36	None
24MB	(4) 4M x 9	(1) 1M x 36	(1) 1M x 36
24MB	(4) 4M x 9	(1) 2M x 36	None
32MB	(4) 4M x 9	(1) 2M x 36	(1) 2M x 36
32MB	(4) 4M x 9	(1) 4M x 36	None
32MB	None	(1) 4M x 36	(1) 4M x 36
32MB	None	(1) 8M x 36	None
33MB	(4) 256K x 9	(1) 4M x 36	(1) 4M x 36
33MB	(4) 256K x 9	(1) 8M x 36	None
36MB	(4) 1M x 9	(1) 4M x 36	(1) 4M x 36
36MB	(4) 1M x 9	(1) 8M x 36	None
48MB	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36
48MB	(4) 4M x 9	(1) 8M x 36	None
64MB	(4) 16M x 9	None	None
64MB	None	(1) 8M x 36	(1) 8M x 36
64MB	None	(1) 16M x 36	None
65MB	(4) 16M x 9	(1) 256K x 36	None
65MB	(4) 256K x 9	(1) 8M x 36	(1) 8M x 36
65MB	(4) 256K x 9	(1) 16M x 36	None
66MB	(4) 16M x 9	(1) 256K x 36	(1) 256K x 36
68MB	(4) 16M x 9	(1) 1M x 36	None
68MB	(4) 1M x 9	(1) 8M x 36	(1) 8M x 36
68MB	(4) 1M x 9	(1) 16M x 36	None
72MB	(4) 16M x 9	(1) 1M x 36	(1) 1M x 36
72MB	(4) 16M x 9	(1) 2M x 36	None
80MB	(4) 16M x 9	(1) 2M x 36	(1) 2M x 36
80MB	(4) 16M x 9	(1) 4M x 36	None
80MB	(4) 4M x 9	(1) 8M x 36	(1) 8M x 36
80MB	(4) 4M x 9	(1) 16M x 36	None
96MB	(4) 16M x 9	(1) 4M x 36	(1) 4M x 36
96MB	(4) 16M x 9	(1) 8M x 36	None
128MB	(4) 16M x 9	(1) 8M x 36	(1) 8M x 36
128MB	(4) 16M x 9	(1) 16M x 36	None
128MB	None	(1) 16M x 36	(1) 16M x 36
128MB	None	(1) 32M x 36	None

CACHE CONFIGURATION
Size	SL1
128KB	128KB module installed
256KB	256KB module installed
512KB	512KB module installed
1MB	1MB module installed

CPU TYPE CONFIGURATION
Type	JP6	JP7	JP13	JP8A	JP8B
CX486DX	Open	Open	Open	Open	1 & 2
IBM486DX	Open	Open	Open	Open	1 & 2
TI486DX	Open	Open	Open	Open	1 & 2
SGS486DX	Open	Open	Open	Open	1 & 2
80486DX	Open	Closed	Open	2 & 3	Open
CX486DX2	Open	Open	Open	Open	1 & 2
IBM486DX2	Open	Open	Open	Open	1 & 2
TI486DX2	Open	Open	Open	Open	1 & 2
SGS486DX2	Open	Open	Open	Open	1 & 2
AM486DX2	Open	Closed	Open	2 & 3	Open
80486DX2	Open	Closed	Open	2 & 3	Open
CX486DX4	Open	Open	Open	Open	1 & 2
(SL)CX486DX4	Open	Open	Closed	1 & 2	Open
IBM486DX4	Open	Open	Open	Open	1 & 2
(SL)IBM486DX4	Open	Open	Closed	1 & 2	Open
TI486DX4	Open	Open	Open	Open	1 & 2
SGS486DX4	Open	Open	Open	Open	1 & 2
(SL)SGS486DX4	Open	Open	Closed	1 & 2	Open
AM486DX4	Open	Closed	Open	2 & 3	Open
80486DX4	Open	Open	Open	2 & 3	Open
P24D	Open	Open	Open	1 & 2	Open
CX5X86-133	Closed	Open	Open	1 & 2	Open
AM X5	Closed	Open	Open	1 & 2	Open
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP9A	JP9B	JP9C	JP10A	JP10B
CX486DX	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
IBM486DX	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
TI486DX	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
SGS486DX	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
80486DX	2 & 3	Open	Open	3 & 4	Open
CX486DX2	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
IBM486DX2	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
TI486DX2	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
SGS486DX2	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
AM486DX2	2 & 3	Open	Open	3 & 4	Open
80486DX2	2 & 3	Open	Open	3 & 4	Open
CX486DX4	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
(SL)CX486DX4	1 & 2	1 & 2, 3 & 4	3 & 4	3 & 4	1 & 2, 3 & 4
IBM486DX4	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
(SL)IBM486DX4	1 & 2	1 & 2, 3 & 4	3 & 4	3 & 4	1 & 2, 3 & 4
TI486DX4	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
SGS486DX4	1 & 2	1 & 2	2 & 3	3 & 4	2 & 3
(SL)SGS486DX4	1 & 2	1 & 2, 3 & 4	3 & 4	3 & 4	1 & 2, 3 & 4
AM486DX4	2 & 3	Open	Open	3 & 4	Open
80486DX4	1 & 2	1 & 2	Open	3 & 4	1 & 2
P24D	1 & 2	1 & 2, 3 & 4	3 & 4	3 & 4	1 & 2, 3 & 4
CX5X86-133	1 & 2	1 & 2, 3 & 4	3 & 4	3 & 4	1 & 2, 3 & 4
AM X5	1 & 2	1 & 2, 3 & 4	3 & 4	3 & 4	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP10C	JP11	JP12	JP14
CX486DX	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
IBM486DX	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
TI486DX	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
SGS486DX	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
80486DX	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	Open
CX486DX2	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
IBM486DX2	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
TI486DX2	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
SGS486DX2	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
AM486DX2	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	Open
80486DX2	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	Open
CX486DX4	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
(SL)CX486DX4	1 & 2, 3 & 4	Open	2 & 4, 3 & 5	2 & 3, 4 & 5
IBM486DX4	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
(SL)IBM486DX4	1 & 2, 3 & 4	Open	2 & 4, 3 & 5	2 & 3, 4 & 5
TI486DX4	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
SGS486DX4	1 & 2, 3 & 4	2 & 3	2 & 4, 3 & 5	1 & 2, 3 & 4
(SL)SGS486DX4	1 & 2, 3 & 4	Open	2 & 4, 3 & 5	2 & 3, 4 & 5
AM486DX4	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	Open
80486DX4	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	2 & 3, 4 & 5
P24D	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	2 & 3, 4 & 5
CX5X86-133	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	2 & 3, 4 & 5
AM X5	1 & 2, 3 & 4	Open	1 & 3, 2 & 4	2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION (DX4/5X86/X5 ONLY)
Speed	JP6
2x	Closed
3x	Open
4x	Closed

CPU SPEED CONFIGURATION
Speed	JP3
25MHz	Pins 5 & 6 closed
33MHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
40MHz	Pins 3 & 4, 5 & 6 closed
50iMHz	Pins 5 & 6 closed
50MHz	Pins 1 & 2 closed
66iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
75iMHz	Pins 5 & 6 closed
80iMHz	Pins 3 & 4, 5 & 6 closed
100iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
120iMHz	Pins 3 & 4, 5 & 6 closed
133iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU VOLTAGE CONFIGURATION
Voltage	JP4	JP5A	JP5B	JP5C	JP5D
3.3v	Closed	1 & 2	1 & 2	1 & 2	1 & 2
4v	Open	1 & 2	1 & 2	1 & 2	1 & 2
5v	Closed	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.