R407E VESA 486 Motherboard Settings and Configuration

M TECHNOLOGY, INC.

R407E VESA 486

Processor
80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/ 80486DX2/CX486DX4/AM486DX4/AM486DX4(V8B)/80486DX4/P24D/P24T/CX5X86/AM K5
Processor Speed
25/33/40/50(internal)/50/66(internal)/100(internal)/120(internal)/ 133(internal)/160(internal)MHz
Chip Set
Unidentified
Video Chip Set
None
Maximum Onboard Memory
128MB
Maximum Video Memory
None
Cache
128/256/512/1024KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (3), green PC connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J2
Reset switch
J7
Power LED & keylock
J3
Green PC connector
J8
Speaker
J4
Green PC connector
JP60
Turbo switch
J5
Green PC connector
JP61
Turbo LED
J6
32-bit VESA local bus slots
SL1 - SL3

USER CONFIGURABLE SETTINGS
Function
Label
Position

Jumper information unavailable
JP43
Unidentified
»
CMOS memory normal operation
JP50
Pins 1 & 2 closed

CMOS memory clear
JP50
Pins 2 & 3 closed

Monitor type select CGA
JP62
Closed

Monitor type select monochrome/EGA/VGA
JP62
Open

DRAM CONFIGURATION (MODE 1)
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(4) 256K x 9
None
None
None
2MB
(4) 256K x 9
(4) 256K x 9
None
None
4MB
(4) 1M x 9
None
None
None
5MB
(4) 256K x 9
(4) 1M x 9
None
None
6MB
(4) 256K x 9
(4) 256K x 9
(1) 1M x 36
None
8MB
(4) 1M x 9
(4) 1M x 9
None
None
10MB
(4) 256K x 9
(4) 256K x 9
(1) 1M x 36
(1) 1M x 36
12MB
(4) 1M x 9
(4) 1M x 9
(1) 1M x 36
None
16MB
(4) 1M x 9
(4) 1M x 9
(1) 1M x 36
(1) 1M x 36
16MB
(4) 4M x 9
None
None
None
17MB
(4) 256K x 9
(4) 4M x 9
None
None
18MB
(4) 256K x 9
(4) 256K x 9
(1) 4M x 36
None
20MB
(4) 1M x 9
(4) 4M x 9
None
None
24MB
(4) 1M x 9
(4) 1M x 9
(1) 4M x 36
None
32MB
(4) 4M x 9
(4) 4M x 9
None
None
36MB
(4) 1M x 9
(4) 4M x 9
(1) 4M x 36
None
40MB
(4) 1M x 9
(4) 1M x 9
(1) 4M x 36
(1) 4M x 36
48MB
(4) 4M x 9
(4) 4M x 9
(1) 4M x 36
None
64MB
(4) 4M x 9
(4) 4M x 9
(1) 4M x 36
(1) 4M x 36
64MB
(4) 16M x 9
None
None
None
65MB
(4) 256K x 9
None
(1) 16M x 36
None
68MB
(4) 1M x 9
(4) 16M x 9
None
None
72MB
(4) 1M x 9
(4) 16M x 9
(1) 1M x 36
None
80MB
(4) 4M x 9
(4) 16M x 9
None
None
96MB
(4) 4M x 9
(4) 4M x 9
(1) 16M x 36
None
128MB
(4) 16M x 9
(4) 16M x 9
None
None

DRAM CONFIGURATION (MODE 2)
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
None
None
(1) 256K x 36
None
2MB
None
None
(1) 256K x 36
(1) 256K x 36
2MB
None
None
(1) 512K x 36
None
4MB
None
None
(1) 512K x 36
(1) 512K x 36
4MB
None
None
(1) 1M x 36
None
5MB
None
None
(1) 256K x 36
(1) 1M x 36
6MB
(4) 1M x 9
None
(1) 256K x 36
(1) 256K x 36
6MB
None
None
(1) 512K x 36
(1) 1M x 36
8MB
(4) 1M x 9
None
(1) 512K x 36
(1) 512K x 36
8MB
None
None
(1) 1M x 36
(1) 1M x 36
8MB
None
None
(1) 2M x 36
None
10MB
(4) 1M x 9
(4) 1M x 9
(1) 256K x 36
(1) 256K x 36
12MB
(4) 1M x 9
(4) 1M x 9
(1) 512K x 36
(1) 512K x 36
12MB
(4) 1M x 9
None
(1) 1M x 36
(1) 1M x 36
12MB
None
None
(1) 1M x 36
(1) 2M x 36
16MB
(4) 1M x 9
(4) 1M x 9
(1) 1M x 36
(1) 1M x 36
16MB
None
None
(1) 2M x 36
(1) 2M x 36
16MB
None
None
(1) 4M x 36
None
17MB
None
None
(1) 256K x 36
(1) 4M x 36
18MB
(4) 4M x 9
None
(1) 256K x 36
(1) 256K x 36
18MB
None
None
(1) 512K x 36
(1) 4M x 36
20MB
(4) 4M x 9
None
(1) 512K x 36
(1) 512K x 36
20MB
None
None
(1) 1M x 36
(1) 4M x 36
24MB
(4) 1M x 9
(4) 4M x 9
(1) 512K x 36
(1) 512K x 36
24MB
(4) 4M x 9
None
(1) 1M x 36
(1) 1M x 36
24MB
None
None
(1) 2M x 36
(1) 4M x 36
32MB
(4) 4M x 9
None
(1) 2M x 36
(1) 2M x 36
32MB
None
None
(1) 4M x 36
(1) 4M x 36
32MB
None
None
(1) 8M x 36
None
36MB
(4) 4M x 9
(4) 4M x 9
(1) 512K x 36
(1) 512K x 36
36MB
(4) 4M x 9
None
(1) 1M x 36
(1) 4M x 36
36MB
None
None
(1) 1M x 36
(1) 8M x 36
40MB
(4) 4M x 9
(4) 4M x 9
(1) 1M x 36
(1) 1M x 36
48MB
(4) 4M x 9
(4) 4M x 9
(1) 2M x 36
(1) 2M x 36
48MB
(4) 4M x 9
(4) 4M x 9
(1) 4M x 36
None
48MB
None
None
(1) 4M x 36
(1) 8M x 36
64MB
(4) 4M x 9
(4) 4M x 9
(1) 4M x 36
(1) 4M x 36
64MB
None
None
(1) 16M x 36
None
64MB
None
None
(1) 8M x 36
(1) 8M x 36
65MB
None
None
(1) 256K x 36
(1) 16M x 36

DRAM CONFIGURATION (MODE 2 CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
68MB
None
None
(1) 1M x 36
(1) 16M x 36
72MB
(4) 16M x 9
None
(1) 1M x 36
(1) 1M x 36
80MB
None
None
(1) 4M x 36
(1) 16M x 36
96MB
(4) 16M x 9
None
(1) 4M x 36
(1) 4M x 36
128MB
None
None
(1) 16M x 36
(1) 16M x 36

DRAM JUMPER CONFIGURATION
Size
JP30
JP31
JP32
JP33
Mode 1
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Mode 2
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed

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

CACHE JUMPER CONFIGURATION
Size
JP20
JP21
JP22
JP23
JP24
JP25
JP26
64KB
1 & 2
1 & 2
1 & 2
1 & 2
2 & 3
Open
Open
128KB
2 & 3
1 & 2
1 & 2
2 & 3
1 & 2
1 & 2
Open
256KB (A)
2 & 3
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
Open
256KB (B)
2 & 3
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2, 3 & 4
2 & 3
512KB (A)
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3, 4 & 5
1 & 2
512KB (B)
2 & 3
2 & 3
2 & 3
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2
1MB
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3, 4 & 5
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION
Speed
JP40
JP41
JP42
25MHz
Closed
Open
Closed
33MHz
Closed
Closed
Open
40MHz
Open
Open
Closed
50iMHz
Closed
Open
Closed
50MHz
Open
Closed
Open
66iMHz
Closed
Closed
Open
100iMHz
Closed
Closed
Open
120iMHz
Open
Open
Closed
133iMHz
Closed
Closed
Open
160iMHz
Open
Open
Closed

CPU TYPE SELECTION
Type
JP1
JP2
JP3
JP4
JP5
80486SX
Open
3 & 4
Open
2 & 3
2 & 3
CX486DX(3.45v)
2 & 3
2 & 3, 4 & 5
Open
2 & 3
1 & 2
CX486DX(5v)
2 & 3
2 & 3
Open
2 & 3
1 & 2
AM486DX
Open
3 & 4
Open
2 & 3
2 & 3
80486DX
Open
3 & 4
Open
2 & 3
2 & 3
CX486DX2(3.45v)
2 & 3
2 & 3, 4 & 5
Open
2 & 3
1 & 2
CX486DX2(5v)
2 & 3
2 & 3
Open
2 & 3
1 & 2
AM486DX2
Open
3 & 4
Open
2 & 3
2 & 3
80486DX2
Open
3 & 4
Open
2 & 3
2 & 3
CX486DX4(3.45v)
2 & 3
2 & 3, 4 & 5
Open
2 & 3
1 & 2
CX486DX4(5v)
2 & 3
2 & 3
Open
2 & 3
1 & 2
AM486DX4-100
Open
3 & 4
Open
2 & 3
2 & 3
AM486DX4-100(V8B)
Open
1 & 2, 3 & 4
2 & 3
1 & 2
1 & 2
AM486DX4-120
Open
3 & 4
Open
2 & 3
2 & 3
AM486DX4-120(V8B)
Open
1 & 2, 3 & 4
2 & 3
1 & 2
1 & 2
AM486DX4-133
Open
3 & 4
Open
2 & 3
2 & 3
80486DX4
Open
3 & 4
Open
2 & 3
2 & 3
P24D
Open
1 & 2
2 & 3
1 & 2
1 & 2
P24T
1 & 2
1 & 2
Open
1 & 2
1 & 2
CX5X86-100
Open
1 & 2, 3 & 4
2 & 3
2 & 3
1 & 2
CX5X86-120
Open
1 & 2, 3 & 4
2 & 3
2 & 3
1 & 2
CX5X86-133
Open
1 & 2, 3 & 4
2 & 3
2 & 3
1 & 2
AM K5
Open
1 & 2, 3 & 4
2 & 3
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP6
JP7
JP8
JP9
JP10
80486SX
1 & 2
2 & 3
Open
2 & 3
3 & 4
CX486DX(3.45v)
2 & 3
1 & 2
3 & 4
1 & 2, 3 & 4
2 & 3
CX486DX(5v)
2 & 3
1 & 2
3 & 4
1 & 2, 3 & 4
2 & 3
AM486DX
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
80486DX
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
CX486DX2(3.45v)
2 & 3
1 & 2
3 & 4
1 & 2, 3 & 4
2 & 3
CX486DX2(5v)
2 & 3
1 & 2
3 & 4
1 & 2, 3 & 4
2 & 3
AM486DX2
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
80486DX2
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
CX486DX4(3.45v)
2 & 3
1 & 2
3 & 4
1 & 2, 3 & 4
2 & 3
CX486DX4(5v)
2 & 3
1 & 2
3 & 4
1 & 2, 3 & 4
2 & 3
AM486DX4-100
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
AM486DX4-100(V8B)
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
AM486DX4-120
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
AM486DX4-120(V8B)
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
AM486DX4-133
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
80486DX4
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
3 & 4
P24D
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
P24T
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
3 & 4
CX5X86-100
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
CX5X86-120
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
CX5X86-133
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
AM K5
1 & 2
2 & 3
3 & 4
1 & 2, 3 & 4
1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP11
JP12
JP13
JP14
JP16
80486SX
4 & 5
Open
Open
Open
1 & 2
CX486DX(3.45v)
2 & 3
Open
Open
Open
1 & 2
CX486DX(5v)
2 & 3
Open
Open
Open
1 & 2
AM486DX
4 & 5
Open
2 & 3
Open
1 & 2
80486DX
4 & 5
Open
Open
Open
1 & 2
CX486DX2(3.45v)
2 & 3
Open
Open
Open
1 & 2
CX486DX2(5v)
2 & 3
Open
Open
Open
1 & 2
AM486DX2
4 & 5
Open
2 & 3
Open
1 & 2
80486DX2
4 & 5
Open
Open
Open
1 & 2
CX486DX4(3.45v)
2 & 3
Open
Open
Open
1 & 2
CX486DX4(5v)
2 & 3
Open
Open
Open
1 & 2
AM486DX4-100
4 & 5
Open
Open
Open
1 & 2
AM486DX4-100(V8B)
4 & 5
Open
Open
Open
1 & 2
AM486DX4-120
4 & 5
Open
Open
Open
1 & 2
AM486DX4-120(V8B)
4 & 5
Open
Open
Open
1 & 2
AM486DX4-133
4 & 5
Open
2 & 3
Open
1 & 2
80486DX4
4 & 5
Open
Open
Open
1 & 2
P24D
4 & 5
Open
1 & 2
1 & 2
1 & 2
P24T
1 & 2
Open
Open
Open
1 & 2
CX5X86-100
4 & 5
Open
Open
1 & 2
1 & 2
CX5X86-120
4 & 5
Open
Open
1 & 2
1 & 2
CX5X86-133
4 & 5
Open
Open
1 & 2
1 & 2
AM K5
4 & 5
Open
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (80486DX4 ONLY)
Multiplier
JP15
2x
Pins 2 & 3 closed
2.5x
Pins 1 & 2 closed
3x
Open

VL BUS WAIT STATE SELECTION
Setting
JP44
0
Pins 1 & 2 closed
1
Pins 2 & 3 closed

VL BUS SPEED SELECTION
Speed
JP45
<= 33MHz
Pins 1 & 2 closed
>33 MHz
Pins 2 & 3 closed

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Processor	80486SX/CX486DX/AM486DX/80486DX/CX486DX2/AM486DX2/ 80486DX2/CX486DX4/AM486DX4/AM486DX4(V8B)/80486DX4/P24D/P24T/CX5X86/AM K5
Processor Speed	25/33/40/50(internal)/50/66(internal)/100(internal)/120(internal)/ 133(internal)/160(internal)MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256/512/1024KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (3), green PC connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J2	Reset switch	J7
Power LED & keylock	J3	Green PC connector	J8
Speaker	J4	Green PC connector	JP60
Turbo switch	J5	Green PC connector	JP61
Turbo LED	J6	32-bit VESA local bus slots	SL1 - SL3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Jumper information unavailable	JP43	Unidentified
»	CMOS memory normal operation	JP50	Pins 1 & 2 closed
	CMOS memory clear	JP50	Pins 2 & 3 closed
	Monitor type select CGA	JP62	Closed
	Monitor type select monochrome/EGA/VGA	JP62	Open

DRAM CONFIGURATION (MODE 1)
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(4) 256K x 9	None	None	None
2MB	(4) 256K x 9	(4) 256K x 9	None	None
4MB	(4) 1M x 9	None	None	None
5MB	(4) 256K x 9	(4) 1M x 9	None	None
6MB	(4) 256K x 9	(4) 256K x 9	(1) 1M x 36	None
8MB	(4) 1M x 9	(4) 1M x 9	None	None
10MB	(4) 256K x 9	(4) 256K x 9	(1) 1M x 36	(1) 1M x 36
12MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	None
16MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
16MB	(4) 4M x 9	None	None	None
17MB	(4) 256K x 9	(4) 4M x 9	None	None
18MB	(4) 256K x 9	(4) 256K x 9	(1) 4M x 36	None
20MB	(4) 1M x 9	(4) 4M x 9	None	None
24MB	(4) 1M x 9	(4) 1M x 9	(1) 4M x 36	None
32MB	(4) 4M x 9	(4) 4M x 9	None	None
36MB	(4) 1M x 9	(4) 4M x 9	(1) 4M x 36	None
40MB	(4) 1M x 9	(4) 1M x 9	(1) 4M x 36	(1) 4M x 36
48MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	None
64MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36
64MB	(4) 16M x 9	None	None	None
65MB	(4) 256K x 9	None	(1) 16M x 36	None
68MB	(4) 1M x 9	(4) 16M x 9	None	None
72MB	(4) 1M x 9	(4) 16M x 9	(1) 1M x 36	None
80MB	(4) 4M x 9	(4) 16M x 9	None	None
96MB	(4) 4M x 9	(4) 4M x 9	(1) 16M x 36	None
128MB	(4) 16M x 9	(4) 16M x 9	None	None

DRAM CONFIGURATION (MODE 2)
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	None	None	(1) 256K x 36	None
2MB	None	None	(1) 256K x 36	(1) 256K x 36
2MB	None	None	(1) 512K x 36	None
4MB	None	None	(1) 512K x 36	(1) 512K x 36
4MB	None	None	(1) 1M x 36	None
5MB	None	None	(1) 256K x 36	(1) 1M x 36
6MB	(4) 1M x 9	None	(1) 256K x 36	(1) 256K x 36
6MB	None	None	(1) 512K x 36	(1) 1M x 36
8MB	(4) 1M x 9	None	(1) 512K x 36	(1) 512K x 36
8MB	None	None	(1) 1M x 36	(1) 1M x 36
8MB	None	None	(1) 2M x 36	None
10MB	(4) 1M x 9	(4) 1M x 9	(1) 256K x 36	(1) 256K x 36
12MB	(4) 1M x 9	(4) 1M x 9	(1) 512K x 36	(1) 512K x 36
12MB	(4) 1M x 9	None	(1) 1M x 36	(1) 1M x 36
12MB	None	None	(1) 1M x 36	(1) 2M x 36
16MB	(4) 1M x 9	(4) 1M x 9	(1) 1M x 36	(1) 1M x 36
16MB	None	None	(1) 2M x 36	(1) 2M x 36
16MB	None	None	(1) 4M x 36	None
17MB	None	None	(1) 256K x 36	(1) 4M x 36
18MB	(4) 4M x 9	None	(1) 256K x 36	(1) 256K x 36
18MB	None	None	(1) 512K x 36	(1) 4M x 36
20MB	(4) 4M x 9	None	(1) 512K x 36	(1) 512K x 36
20MB	None	None	(1) 1M x 36	(1) 4M x 36
24MB	(4) 1M x 9	(4) 4M x 9	(1) 512K x 36	(1) 512K x 36
24MB	(4) 4M x 9	None	(1) 1M x 36	(1) 1M x 36
24MB	None	None	(1) 2M x 36	(1) 4M x 36
32MB	(4) 4M x 9	None	(1) 2M x 36	(1) 2M x 36
32MB	None	None	(1) 4M x 36	(1) 4M x 36
32MB	None	None	(1) 8M x 36	None
36MB	(4) 4M x 9	(4) 4M x 9	(1) 512K x 36	(1) 512K x 36
36MB	(4) 4M x 9	None	(1) 1M x 36	(1) 4M x 36
36MB	None	None	(1) 1M x 36	(1) 8M x 36
40MB	(4) 4M x 9	(4) 4M x 9	(1) 1M x 36	(1) 1M x 36
48MB	(4) 4M x 9	(4) 4M x 9	(1) 2M x 36	(1) 2M x 36
48MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	None
48MB	None	None	(1) 4M x 36	(1) 8M x 36
64MB	(4) 4M x 9	(4) 4M x 9	(1) 4M x 36	(1) 4M x 36
64MB	None	None	(1) 16M x 36	None
64MB	None	None	(1) 8M x 36	(1) 8M x 36
65MB	None	None	(1) 256K x 36	(1) 16M x 36

DRAM CONFIGURATION (MODE 2 CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
68MB	None	None	(1) 1M x 36	(1) 16M x 36
72MB	(4) 16M x 9	None	(1) 1M x 36	(1) 1M x 36
80MB	None	None	(1) 4M x 36	(1) 16M x 36
96MB	(4) 16M x 9	None	(1) 4M x 36	(1) 4M x 36
128MB	None	None	(1) 16M x 36	(1) 16M x 36

DRAM JUMPER CONFIGURATION
Size	JP30	JP31	JP32	JP33
Mode 1	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
Mode 2	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

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

CACHE JUMPER CONFIGURATION
Size	JP20	JP21	JP22	JP23	JP24	JP25	JP26
64KB	1 & 2	1 & 2	1 & 2	1 & 2	2 & 3	Open	Open
128KB	2 & 3	1 & 2	1 & 2	2 & 3	1 & 2	1 & 2	Open
256KB (A)	2 & 3	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	Open
256KB (B)	2 & 3	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2, 3 & 4	2 & 3
512KB (A)	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3, 4 & 5	1 & 2
512KB (B)	2 & 3	2 & 3	2 & 3	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2
1MB	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3, 4 & 5	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION
Speed	JP40	JP41	JP42
25MHz	Closed	Open	Closed
33MHz	Closed	Closed	Open
40MHz	Open	Open	Closed
50iMHz	Closed	Open	Closed
50MHz	Open	Closed	Open
66iMHz	Closed	Closed	Open
100iMHz	Closed	Closed	Open
120iMHz	Open	Open	Closed
133iMHz	Closed	Closed	Open
160iMHz	Open	Open	Closed

CPU TYPE SELECTION
Type	JP1	JP2	JP3	JP4	JP5
80486SX	Open	3 & 4	Open	2 & 3	2 & 3
CX486DX(3.45v)	2 & 3	2 & 3, 4 & 5	Open	2 & 3	1 & 2
CX486DX(5v)	2 & 3	2 & 3	Open	2 & 3	1 & 2
AM486DX	Open	3 & 4	Open	2 & 3	2 & 3
80486DX	Open	3 & 4	Open	2 & 3	2 & 3
CX486DX2(3.45v)	2 & 3	2 & 3, 4 & 5	Open	2 & 3	1 & 2
CX486DX2(5v)	2 & 3	2 & 3	Open	2 & 3	1 & 2
AM486DX2	Open	3 & 4	Open	2 & 3	2 & 3
80486DX2	Open	3 & 4	Open	2 & 3	2 & 3
CX486DX4(3.45v)	2 & 3	2 & 3, 4 & 5	Open	2 & 3	1 & 2
CX486DX4(5v)	2 & 3	2 & 3	Open	2 & 3	1 & 2
AM486DX4-100	Open	3 & 4	Open	2 & 3	2 & 3
AM486DX4-100(V8B)	Open	1 & 2, 3 & 4	2 & 3	1 & 2	1 & 2
AM486DX4-120	Open	3 & 4	Open	2 & 3	2 & 3
AM486DX4-120(V8B)	Open	1 & 2, 3 & 4	2 & 3	1 & 2	1 & 2
AM486DX4-133	Open	3 & 4	Open	2 & 3	2 & 3
80486DX4	Open	3 & 4	Open	2 & 3	2 & 3
P24D	Open	1 & 2	2 & 3	1 & 2	1 & 2
P24T	1 & 2	1 & 2	Open	1 & 2	1 & 2
CX5X86-100	Open	1 & 2, 3 & 4	2 & 3	2 & 3	1 & 2
CX5X86-120	Open	1 & 2, 3 & 4	2 & 3	2 & 3	1 & 2
CX5X86-133	Open	1 & 2, 3 & 4	2 & 3	2 & 3	1 & 2
AM K5	Open	1 & 2, 3 & 4	2 & 3	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP6	JP7	JP8	JP9	JP10
80486SX	1 & 2	2 & 3	Open	2 & 3	3 & 4
CX486DX(3.45v)	2 & 3	1 & 2	3 & 4	1 & 2, 3 & 4	2 & 3
CX486DX(5v)	2 & 3	1 & 2	3 & 4	1 & 2, 3 & 4	2 & 3
AM486DX	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
80486DX	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
CX486DX2(3.45v)	2 & 3	1 & 2	3 & 4	1 & 2, 3 & 4	2 & 3
CX486DX2(5v)	2 & 3	1 & 2	3 & 4	1 & 2, 3 & 4	2 & 3
AM486DX2	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
80486DX2	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
CX486DX4(3.45v)	2 & 3	1 & 2	3 & 4	1 & 2, 3 & 4	2 & 3
CX486DX4(5v)	2 & 3	1 & 2	3 & 4	1 & 2, 3 & 4	2 & 3
AM486DX4-100	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
AM486DX4-100(V8B)	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
AM486DX4-120	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
AM486DX4-120(V8B)	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
AM486DX4-133	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
80486DX4	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	3 & 4
P24D	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
P24T	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4	3 & 4
CX5X86-100	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
CX5X86-120	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
CX5X86-133	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
AM K5	1 & 2	2 & 3	3 & 4	1 & 2, 3 & 4	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP11	JP12	JP13	JP14	JP16
80486SX	4 & 5	Open	Open	Open	1 & 2
CX486DX(3.45v)	2 & 3	Open	Open	Open	1 & 2
CX486DX(5v)	2 & 3	Open	Open	Open	1 & 2
AM486DX	4 & 5	Open	2 & 3	Open	1 & 2
80486DX	4 & 5	Open	Open	Open	1 & 2
CX486DX2(3.45v)	2 & 3	Open	Open	Open	1 & 2
CX486DX2(5v)	2 & 3	Open	Open	Open	1 & 2
AM486DX2	4 & 5	Open	2 & 3	Open	1 & 2
80486DX2	4 & 5	Open	Open	Open	1 & 2
CX486DX4(3.45v)	2 & 3	Open	Open	Open	1 & 2
CX486DX4(5v)	2 & 3	Open	Open	Open	1 & 2
AM486DX4-100	4 & 5	Open	Open	Open	1 & 2
AM486DX4-100(V8B)	4 & 5	Open	Open	Open	1 & 2
AM486DX4-120	4 & 5	Open	Open	Open	1 & 2
AM486DX4-120(V8B)	4 & 5	Open	Open	Open	1 & 2
AM486DX4-133	4 & 5	Open	2 & 3	Open	1 & 2
80486DX4	4 & 5	Open	Open	Open	1 & 2
P24D	4 & 5	Open	1 & 2	1 & 2	1 & 2
P24T	1 & 2	Open	Open	Open	1 & 2
CX5X86-100	4 & 5	Open	Open	1 & 2	1 & 2
CX5X86-120	4 & 5	Open	Open	1 & 2	1 & 2
CX5X86-133	4 & 5	Open	Open	1 & 2	1 & 2
AM K5	4 & 5	Open	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (80486DX4 ONLY)
Multiplier	JP15
2x	Pins 2 & 3 closed
2.5x	Pins 1 & 2 closed
3x	Open

VL BUS WAIT STATE SELECTION
Setting	JP44
0	Pins 1 & 2 closed
1	Pins 2 & 3 closed

VL BUS SPEED SELECTION
Speed	JP45
<= 33MHz	Pins 1 & 2 closed
>33 MHz	Pins 2 & 3 closed