HIPPO 15 486 Motherboard Settings and Configuration

OCEAN INFORMATION SYSTEMS, INC.

HIPPO 15 486

Processor
CX486S/80486SX/SL80486SX/CX486DX/TI486DX/486BL/UMCU5S/ AM486DXL/80486DX/SL80486DX/AM486DX2/(SL)AM486DX2/ UMCU5DS/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/ 80486DX4/P24D/P24T/CX5X86/AMK5
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
256MB
Maximum Video Memory
None
Cache
128/256/512KB
BIOS
Unidentified
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (3), floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)
NPU Options
None

CONNECTIONS
Function
Label
Function
Label
Speaker
P1
Game port
P11
Power LED & keylock
P2
Serial port 2
P12
Reset switch
P3
Serial port 1
P15
IDE interface LED
P4
External battery
P16
Turbo LED
P5
PS/2 mouse port
P17
Turbo switch
P6
Floppy drive interface
P18
IDE interface 2
P8
Chassis fan power
P19
IDE interface 1
P9
32-bit PCI slots
PC1 - PC3
Parallel port
P10

USER CONFIGURABLE SETTINGS
Setting
Label
Position
»
Factory configured - do not alter
JP20
Pins 2 & 3 closed
»
Factory configured - do not alter
JP26
Pins 1 & 2 closed

Jumper information unavailable
JP27
N/A
»
Factory configured - do not alter
JP30
Pins 2 & 3 closed
»
Factory configured - do not alter
JP32
Pins 1 & 2 closed

Jumper information unavailable
JP34
N/A

Battery type select internal
JP35
Pins 2 & 3 closed

Battery type select external
JP35
Pins 1 & 2 closed
»
Factory configured - do not alter
JP36
Open

Jumper information unavailable
JP37
N/A
»
Factory configured - do not alter
JW2
Pins 1 & 2 closed
»
Factory configured - do not alter
JW3
Pins 1 & 2 closed
»
Factory configured - do not alter
JW4
Open
»
Factory configured - do not alter
JW5
Open

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
4MB
(1) 1M x 36
None
None
None
8MB
(1) 2M x 36
None
None
None
8MB
(1) 1M 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
None
(1) 2M x 36
None
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
16MB
(1) 1M x 36
(1) 1M x 36
(1) 2M x 36
None
16MB
(1) 2M x 36
(1) 2M x 36
None
None
16MB
(1) 4M x 36
None
None
None
20MB
(1) 1M x 36
None
(1) 4M x 36
None
20MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
None
24MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
None
24MB
(1) 2M x 36
None
(1) 4M x 36
None

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
24MB
(1) 2M 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
36MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
None
40MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
None
40MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
None
48MB
(1) 8M x 36
None
(1) 4M x 36
None
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 4M x 36
(1) 4M x 36
(1) 8M x 36
None
64MB
(1) 8M x 36
(1) 8M x 36
None
None
80MB
(1) 8M x 36
(1) 8M x 36
(1) 4M x 36
None
96MB
(1) 4M x 36
(1) 4M x 36
(1) 16M x 36
None
96MB
(1) 8M x 36
None
(1) 16M x 36
None
128MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
144MB
(1) 16M x 36
(1) 16M x 36
(1) 4M x 36
None
160MB
(1) 16M x 36
(1) 16M x 36
(1) 8M x 36
None
192MB
(1) 16M x 36
(1) 16M x 36
(1) 8M x 36
(1) 8M x 36
256MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
128KB
(4) 32K x 8
None
(1) 32K x 8
256KB (A)
(4) 64K x 8
None
None
256KB(B)
(4) 32K x 8
(4) 32K x 8
(1) 32K x 8
512KB
(4) 128K x 8
None
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP9
JP12
128KB
Pins 2 & 3 closed
Open
256KB (A)
Pins 2 & 3 closed
Pins 1 & 2 closed
256KB (B)
Pins 1 & 2 closed
Pins 1 & 2 closed
512KB
Pins 2 & 3 closed
Pins 1 & 2, 3 & 4 closed

CPU SPEED SELECTION
Speed
JP28
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

CPU TYPE SELECTION
Type
JP1
JP2
JP10
JP11
JP13
CX486S
1 & 2
2 & 3
1 & 2, 3 & 4
2 & 3
Open
80486SX
1 & 2
1 & 2
Open
Open
Open
SL80486SX
1 & 2
1 & 2
2 & 3, 4 & 5
Open
Open
CX486DX
1 & 2
2 & 3
1 & 2, 3 & 4
2 & 3
3 & 4
TI486DX
1 & 2
2 & 3
1 & 2, 3 & 4
2 & 3
3 & 4
486 BL
1 & 2
2 & 3
1 & 2, 3 & 4
2 & 3
3 & 4
UMC U5S
2 & 3
1 & 2
Open
3 & 4
1 & 2, 3 & 4
AM486DXL
2 & 3
1 & 2
Open
3 & 4
1 & 2, 3 & 4
80486DX
1 & 2
1 & 2
Open
Open
3 & 4
SL80486DX
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
AM486DX2
2 & 3
1 & 2
Open
3 & 4
1 & 2, 3 & 4
(SL)AM486DX2
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
UMC U5DS
2 & 3
1 & 2
Open
3 & 4
1 & 2, 3 & 4
80486DX2
1 & 2
1 & 2
Open
Open
3 & 4
SL80486DX2
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
AM486DX4
2 & 3
1 & 2
Open
3 & 4
1 & 2, 3 & 4
(SL)AM486DX4
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
80486DX4
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
P24D
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
P24T
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2
2 & 3
CX5X86
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
AM5X86
1 & 2
1 & 2
2 & 3, 4 & 5
Open
3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP14
JP15
JP16
JP17
JP18
CX486S
2 & 3
Open
1 & 2
2 & 3
3 & 4
80486SX
2 & 3
Open
Open
Open
1 & 2
SL80486SX
2 & 3
Open
Open
Open
3 & 4
CX486DX
1 & 2, 3 & 4
Open
1 & 2
2 & 3
3 & 4
TI486DX
1 & 2, 3 & 4
Open
1 & 2
2 & 3
3 & 4
486 BL
1 & 2, 3 & 4
Open
1 & 2
2 & 3
3 & 4
UMC U5S
2 & 3
Open
Open
Open
1 & 2
AM486DXL
1 & 2, 3 & 4
Open
Open
Open
1 & 2
80486DX
1 & 2, 3 & 4
Open
Open
Open
1 & 2
SL80486DX
1 & 2, 3 & 4
Open
Open
Open
3 & 4
AM486DX2
1 & 2, 3 & 4
1 & 2
Open
Open
1 & 2
(SL)AM486DX2
1 & 2, 3 & 4
2 & 3
Open
Open
3 & 4
UMC U5DS
1 & 2, 3 & 4
Open
Open
Open
1 & 2
80486DX2
1 & 2, 3 & 4
Open
Open
Open
1 & 2
SL80486DX2
1 & 2, 3 & 4
Open
Open
Open
3 & 4
AM486DX4
1 & 2, 3 & 4
Open
Open
Open
1 & 2
(SL)AM486DX4
1 & 2, 3 & 4
2 & 3
Open
Open
3 & 4
80486DX4
1 & 2, 3 & 4
Open
Open
Open
3 & 4
P24D
1 & 2, 3 & 4
2 & 3
Open
Open
3 & 4
P24T
1 & 2, 3 & 4
Open
2 & 3
1 & 2
3 & 4, 5 & 6
CX5X86
1 & 2, 3 & 4
Open
Open
Open
3 & 4
AM5X86
1 & 2, 3 & 4
2 & 3
Open
Open
3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP21
JP22
JP23
JP24
JP25
CX486S
2 & 3
1 & 2
Open
Open
Open
80486SX
Open
Open
Open
Open
Open
SL80486SX
2 & 3
2 & 3
Open
Open
Open
CX486DX
2 & 3
1 & 2
Open
Open
Open
TI486DX
2 & 3
1 & 2
Open
Open
Open
486 BL
2 & 3
1 & 2
Open
Open
Open
UMC U5S
1 & 2
Open
Open
Open
Open
AM486DXL
1 & 2
Open
Open
Open
Open
80486DX
Open
Open
Open
Open
Open
SL80486DX
2 & 3
2 & 3
Open
Open
Open
AM486DX2
1 & 2
Open
Open
Open
Open
(SL)AM486DX2
2 & 3
2 & 3
Open
Open
1 & 2
UMC U5DS
1 & 2
Open
Open
Open
Open
80486DX2
Open
Open
Open
Open
Open
SL80486DX2
2 & 3
2 & 3
Open
Open
Open
AM486DX4
1 & 2
Open
Open
Open
Open
(SL)AM486DX4
2 & 3
2 & 3
Open
Open
1 & 2
80486DX4
2 & 3
2 & 3
Open
Open
Open
P24D
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
P24T
2 & 3
2 & 3
Open
Open
Open
CX5X86
2 & 3
2 & 3
Open
1 & 2
1 & 2
AM5X86
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (80486DX4)
Multiplier
JP19
2x
Pins 2 & 3 closed
2.5x
Pins 1 & 2 closed
3x
Open

CPU MULTIPLIER SELECTION (AM486DX4)
Multiplier
JP19
2x
Pins 2 & 3 closed
3x
Open

CPU MULTIPLIER SELECTION (AM5X86)
Multiplier
JP19
4X
Pins 2 & 3 closed

CPU VOLTAGE SELECTION
Voltage
JP3
JP4
JP6
3.45v/5v (auto)
Pins 1 & 2 closed
Open
Open
3.45v (fixed)
Open
Open
Open
3.6v (fixed)
Open
Open
Pins 1 & 2 closed
5v (fixed)
Open
Pins 1 & 2 closed
Open

DMA CHANNEL SELECTION
Channel
JP29
JP33
1
Pins 1 & 2 closed
Pins 2 & 3 closed
3
Pins 2 & 3 closed
Pins 1 & 2 closed

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HIPPO 15 486 Motherboard Settings and Configuration

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Processor	CX486S/80486SX/SL80486SX/CX486DX/TI486DX/486BL/UMCU5S/ AM486DXL/80486DX/SL80486DX/AM486DX2/(SL)AM486DX2/ UMCU5DS/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/ 80486DX4/P24D/P24T/CX5X86/AMK5
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	256MB
Maximum Video Memory	None
Cache	128/256/512KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, game port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)
NPU Options	None

CONNECTIONS
Function	Label	Function	Label
Speaker	P1	Game port	P11
Power LED & keylock	P2	Serial port 2	P12
Reset switch	P3	Serial port 1	P15
IDE interface LED	P4	External battery	P16
Turbo LED	P5	PS/2 mouse port	P17
Turbo switch	P6	Floppy drive interface	P18
IDE interface 2	P8	Chassis fan power	P19
IDE interface 1	P9	32-bit PCI slots	PC1 - PC3
Parallel port	P10

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Factory configured - do not alter	JP20	Pins 2 & 3 closed
»	Factory configured - do not alter	JP26	Pins 1 & 2 closed
	Jumper information unavailable	JP27	N/A
»	Factory configured - do not alter	JP30	Pins 2 & 3 closed
»	Factory configured - do not alter	JP32	Pins 1 & 2 closed
	Jumper information unavailable	JP34	N/A
	Battery type select internal	JP35	Pins 2 & 3 closed
	Battery type select external	JP35	Pins 1 & 2 closed
»	Factory configured - do not alter	JP36	Open
	Jumper information unavailable	JP37	N/A
»	Factory configured - do not alter	JW2	Pins 1 & 2 closed
»	Factory configured - do not alter	JW3	Pins 1 & 2 closed
»	Factory configured - do not alter	JW4	Open
»	Factory configured - do not alter	JW5	Open

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	None	None	None
8MB	(1) 2M x 36	None	None	None
8MB	(1) 1M 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	None	(1) 2M x 36	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
16MB	(1) 1M x 36	(1) 1M x 36	(1) 2M x 36	None
16MB	(1) 2M x 36	(1) 2M x 36	None	None
16MB	(1) 4M x 36	None	None	None
20MB	(1) 1M x 36	None	(1) 4M x 36	None
20MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	None
24MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	None
24MB	(1) 2M x 36	None	(1) 4M x 36	None

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
24MB	(1) 2M 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
36MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	None
40MB	(1) 4M x 36	(1) 4M x 36	(1) 2M x 36	None
40MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	None
48MB	(1) 8M x 36	None	(1) 4M x 36	None
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 4M x 36	(1) 4M x 36	(1) 8M x 36	None
64MB	(1) 8M x 36	(1) 8M x 36	None	None
80MB	(1) 8M x 36	(1) 8M x 36	(1) 4M x 36	None
96MB	(1) 4M x 36	(1) 4M x 36	(1) 16M x 36	None
96MB	(1) 8M x 36	None	(1) 16M x 36	None
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36
144MB	(1) 16M x 36	(1) 16M x 36	(1) 4M x 36	None
160MB	(1) 16M x 36	(1) 16M x 36	(1) 8M x 36	None
192MB	(1) 16M x 36	(1) 16M x 36	(1) 8M x 36	(1) 8M x 36
256MB	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	None	(1) 32K x 8
256KB (A)	(4) 64K x 8	None	None
256KB(B)	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8
512KB	(4) 128K x 8	None	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP9	JP12
128KB	Pins 2 & 3 closed	Open
256KB (A)	Pins 2 & 3 closed	Pins 1 & 2 closed
256KB (B)	Pins 1 & 2 closed	Pins 1 & 2 closed
512KB	Pins 2 & 3 closed	Pins 1 & 2, 3 & 4 closed

CPU SPEED SELECTION
Speed	JP28
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

CPU TYPE SELECTION
Type	JP1	JP2	JP10	JP11	JP13
CX486S	1 & 2	2 & 3	1 & 2, 3 & 4	2 & 3	Open
80486SX	1 & 2	1 & 2	Open	Open	Open
SL80486SX	1 & 2	1 & 2	2 & 3, 4 & 5	Open	Open
CX486DX	1 & 2	2 & 3	1 & 2, 3 & 4	2 & 3	3 & 4
TI486DX	1 & 2	2 & 3	1 & 2, 3 & 4	2 & 3	3 & 4
486 BL	1 & 2	2 & 3	1 & 2, 3 & 4	2 & 3	3 & 4
UMC U5S	2 & 3	1 & 2	Open	3 & 4	1 & 2, 3 & 4
AM486DXL	2 & 3	1 & 2	Open	3 & 4	1 & 2, 3 & 4
80486DX	1 & 2	1 & 2	Open	Open	3 & 4
SL80486DX	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
AM486DX2	2 & 3	1 & 2	Open	3 & 4	1 & 2, 3 & 4
(SL)AM486DX2	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
UMC U5DS	2 & 3	1 & 2	Open	3 & 4	1 & 2, 3 & 4
80486DX2	1 & 2	1 & 2	Open	Open	3 & 4
SL80486DX2	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
AM486DX4	2 & 3	1 & 2	Open	3 & 4	1 & 2, 3 & 4
(SL)AM486DX4	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
80486DX4	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
P24D	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
P24T	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2	2 & 3
CX5X86	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
AM5X86	1 & 2	1 & 2	2 & 3, 4 & 5	Open	3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP14	JP15	JP16	JP17	JP18
CX486S	2 & 3	Open	1 & 2	2 & 3	3 & 4
80486SX	2 & 3	Open	Open	Open	1 & 2
SL80486SX	2 & 3	Open	Open	Open	3 & 4
CX486DX	1 & 2, 3 & 4	Open	1 & 2	2 & 3	3 & 4
TI486DX	1 & 2, 3 & 4	Open	1 & 2	2 & 3	3 & 4
486 BL	1 & 2, 3 & 4	Open	1 & 2	2 & 3	3 & 4
UMC U5S	2 & 3	Open	Open	Open	1 & 2
AM486DXL	1 & 2, 3 & 4	Open	Open	Open	1 & 2
80486DX	1 & 2, 3 & 4	Open	Open	Open	1 & 2
SL80486DX	1 & 2, 3 & 4	Open	Open	Open	3 & 4
AM486DX2	1 & 2, 3 & 4	1 & 2	Open	Open	1 & 2
(SL)AM486DX2	1 & 2, 3 & 4	2 & 3	Open	Open	3 & 4
UMC U5DS	1 & 2, 3 & 4	Open	Open	Open	1 & 2
80486DX2	1 & 2, 3 & 4	Open	Open	Open	1 & 2
SL80486DX2	1 & 2, 3 & 4	Open	Open	Open	3 & 4
AM486DX4	1 & 2, 3 & 4	Open	Open	Open	1 & 2
(SL)AM486DX4	1 & 2, 3 & 4	2 & 3	Open	Open	3 & 4
80486DX4	1 & 2, 3 & 4	Open	Open	Open	3 & 4
P24D	1 & 2, 3 & 4	2 & 3	Open	Open	3 & 4
P24T	1 & 2, 3 & 4	Open	2 & 3	1 & 2	3 & 4, 5 & 6
CX5X86	1 & 2, 3 & 4	Open	Open	Open	3 & 4
AM5X86	1 & 2, 3 & 4	2 & 3	Open	Open	3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP21	JP22	JP23	JP24	JP25
CX486S	2 & 3	1 & 2	Open	Open	Open
80486SX	Open	Open	Open	Open	Open
SL80486SX	2 & 3	2 & 3	Open	Open	Open
CX486DX	2 & 3	1 & 2	Open	Open	Open
TI486DX	2 & 3	1 & 2	Open	Open	Open
486 BL	2 & 3	1 & 2	Open	Open	Open
UMC U5S	1 & 2	Open	Open	Open	Open
AM486DXL	1 & 2	Open	Open	Open	Open
80486DX	Open	Open	Open	Open	Open
SL80486DX	2 & 3	2 & 3	Open	Open	Open
AM486DX2	1 & 2	Open	Open	Open	Open
(SL)AM486DX2	2 & 3	2 & 3	Open	Open	1 & 2
UMC U5DS	1 & 2	Open	Open	Open	Open
80486DX2	Open	Open	Open	Open	Open
SL80486DX2	2 & 3	2 & 3	Open	Open	Open
AM486DX4	1 & 2	Open	Open	Open	Open
(SL)AM486DX4	2 & 3	2 & 3	Open	Open	1 & 2
80486DX4	2 & 3	2 & 3	Open	Open	Open
P24D	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
P24T	2 & 3	2 & 3	Open	Open	Open
CX5X86	2 & 3	2 & 3	Open	1 & 2	1 & 2
AM5X86	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (80486DX4)
Multiplier	JP19
2x	Pins 2 & 3 closed
2.5x	Pins 1 & 2 closed
3x	Open

CPU MULTIPLIER SELECTION (AM486DX4)
Multiplier	JP19
2x	Pins 2 & 3 closed
3x	Open

CPU MULTIPLIER SELECTION (AM5X86)
Multiplier	JP19
4X	Pins 2 & 3 closed

CPU VOLTAGE SELECTION
Voltage	JP3	JP4	JP6
3.45v/5v (auto)	Pins 1 & 2 closed	Open	Open
3.45v (fixed)	Open	Open	Open
3.6v (fixed)	Open	Open	Pins 1 & 2 closed
5v (fixed)	Open	Pins 1 & 2 closed	Open

DMA CHANNEL SELECTION
Channel	JP29	JP33
1	Pins 1 & 2 closed	Pins 2 & 3 closed
3	Pins 2 & 3 closed	Pins 1 & 2 closed