DX-9500 VER. 1.0 Motherboard Settings and Configuration

AMPTRON INTERNATIONAL, INC.

DX-9500 VER. 1.0

Processor
CX486DX/IBM486DX/TI486DX/SGS486DX/80486DX/CX486DX2/IBM486DX2/ TI486DX2/SGS486DX2/AM486DX2/80486DX2/CX486DX4/IBM486DX4/ TI486DX4/SGS486DX4/AM486DX4/80486DX4/P24D/P24T/CX5X86/AM K5
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)MHz
Chip Set
UMC
Max. Onboard DRAM
256MB
Cache
64/128/256/512/1024KB
BIOS
AMI
Dimensions
254mm x 218mm
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)
NPU Options
none

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 1
CN1
Reset switch
JP13
Serial port 2
CN2
Green PC connector
JP14
Floppy drive interface
CN3
IDE interface LED
JP15
Parallel port
CN4
Power LED & keylock
JP16
IDE interface 2
CN5
Speaker
JP17
IDE interface 1
CN6
Turbo LED
JP18
Green PC connector (monitor)
JP1
32-bit PCI slots
PC1 - PC3
External battery
JP2
32-bit VESA local bus slot
SL1
Turbo switch
JP12

USER CONFIGURABLE SETTINGS
Function
Jumper
Position

Battery type select internal
JP2
Pins 2 & 3 closed

Battery type select external
JP2
Closed

CMOS memory clear
JP2
Pins 3 & 4 closed
»
Factory configured - do not alter
JP3
N/A
»
Factory configured - do not alter
JP4
N/A

Flash BIOS voltage select 5v
JP5
Pins 1 & 2 closed

Flash BIOS voltage select 12v
JP5
Pins 2 & 3 closed
»
Factory configured - do not alter
JP6
N/A
Note: The location of JP5 is unidentified.

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
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
None
4MB
(1) 1M x 36
None
None
None
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
5MB
(1) 1M x 36
(1) 256K x 36
None
None
5MB
(1) 256K x 36
(1) 1M x 36
None
None
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
None
7MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
8MB
(1) 2M x 36
None
None
None
8MB
(1) 1M x 36
(1) 1M x 36
None
None
9MB
(1) 2M x 36
(1) 256K x 36
None
None
9MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
None
9MB
(1) 256K x 36
(1) 2M x 36
None
None
10MB
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
None
11MB
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
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
12MB
(1) 1M x 36
(1) 2M x 36
None
None
13MB
(1) 256K x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
16MB
(1) 4M x 36
None
None
None
16MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
None
16MB
(1) 2M x 36
(1) 2M x 36
None
None
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
17MB
(1) 4M x 36
(1) 256K x 36
None
None
17MB
(1) 256K x 36
(1) 2M x 36
(1) 2M x 36
None
17MB
(1) 256K x 36
(1) 4M x 36
None
None
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
None
19MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
20MB
(1) 4M x 36
(1) 1M x 36
None
None
20MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M 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
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
24MB
(1) 2M x 36
(1) 4M x 36
None
None
25MB
(1) 256K 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
28MB
(1) 1M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
32MB
(1) 8M x 36
None
None
None
32MB
(1) 4M 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
33MB
(1) 8M x 36
(1) 256K x 36
None
None
33MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
None
33MB
(1) 256K x 36
(1) 8M x 36
None
None
34MB
(1) 8M x 36
(1) 256K x 36
(1) 256K x 36
None
35MB
(1) 8M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
36MB
(1) 8M x 36
(1) 1M x 36
None
None
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
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
40MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
40MB
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
None
40MB
(1) 2M x 36
(1) 8M x 36
None
None
44MB
(1) 8M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
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
48MB
(1) 4M x 36
(1) 8M x 36
None
None
49MB
(1) 256K x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
52MB
(1) 1M 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
56MB
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 8M x 36
(1) 4M x 36
(1) 4M x 36
None
64MB
(1) 8M x 36
(1) 8M x 36
None
None
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
65MB
(1) 256K 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
72MB
(1) 2M x 36
(1) 8M x 36
(1) 8M x 36
None
80MB
(1) 8M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
80MB
(1) 4M x 36
(1) 8M x 36
(1) 8M x 36
None
96MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
None
97MB
(1) 256K 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
128MB
(1) 32M x 36
None
None
None
128MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
129MB
(1) 32M x 36
(1) 256K x 36
None
None
131MB
(1) 32M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
132MB
(1) 32M x 36
(1) 1M x 36
None
None
136MB
(1) 32M x 36
(1) 1M x 36
(1) 1M x 36
None
136MB
(1) 32M x 36
(1) 2M x 36
None
None
140MB
(1) 32M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
144MB
(1) 32M x 36
(1) 2M x 36
(1) 2M x 36
None
144MB
(1) 32M x 36
(1) 4M x 36
None
None
152MB
(1) 32M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
160MB
(1) 32M x 36
(1) 4M x 36
(1) 4M x 36
None
160MB
(1) 32M x 36
(1) 8M x 36
None
None
176MB
(1) 32M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
192MB
(1) 32M x 36
(1) 8M x 36
(1) 8M x 36
None
224MB
(1) 32M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
256MB
(1) 64M x 36
None
None
None
256MB
(1) 32M x 36
(1) 32M x 36
None
None

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
Note: Settings for JP8 & JP9 are not available from manufacturer.

CPU TYPE CONFIGURATION
Type
JP10
JP11
JP24
JP25
JP26
CX486DX
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
IBM486DX
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
TI486DX
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
SGS486DX
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
80486DX
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
Open
CX486DX2
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
IBM486DX2
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
TI486DX2
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
SGS486DX2
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
AM486DX2
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
Open
80486DX2
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
Open
CX486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
(SL)CX486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
IBM486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
(SL)IBM486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
TI486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
(SL)TI486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
SGS486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
(SL)SGS486DX4
1 & 2
2 & 3
1 & 2, 3 & 4
3 & 4
1 & 2
AM486DX4
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
Open
(SL)AM486DX4
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
80486DX4
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
1 & 2
P24D
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
P24T
1 & 2
1 & 2
1 & 2, 3 & 4
2 & 3
1 & 2
CX5X86
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
CX5X86-133
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
AM K5
1 & 2
1 & 2
1 & 2, 3 & 4
3 & 4
1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP27
JP28
JP29
JP30
JP31
CX486DX
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
IBM486DX
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
TI486DX
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
SGS486DX
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
80486DX
Open
2 & 3
Open
Open
Open
CX486DX2
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
IBM486DX2
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
TI486DX2
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
SGS486DX2
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
AM486DX2
Open
2 & 3
Open
Open
Open
80486DX2
Open
2 & 3
Open
Open
Open
CX486DX4
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
(SL)CX486DX4
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
IBM486DX4
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
(SL)IBM486DX4
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
TI486DX4
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
(SL)TI486DX4
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
SGS486DX4
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
(SL)SGS486DX4
2 & 3
1 & 2
2 & 3
2 & 3
1 & 2, 3 & 4
AM486DX4
Open
2 & 3
Open
Open
Open
(SL)AM486DX4
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
80486DX4
Open
1 & 2
1 & 2
Open
2 & 3, 4 & 5
P24D
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
P24T
1 & 2
2 & 3
1 & 2
1 & 2
2 & 3, 4 & 5
CX5X86
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
CX5X86-133
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
AM K5
3 & 4
1 & 2
1 & 2, 3 & 4
Open
2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP32
JP33
JP34
JP35
CX486DX
Open
Open
Pins 1 & 2 closed
Open
IBM486DX
Open
Open
Pins 1 & 2 closed
Open
TI486DX
Open
Open
Pins 1 & 2 closed
Open
SGS486DX
Open
Open
Pins 1 & 2 closed
Open
80486DX
Closed
Closed
Open
Pins 2 & 3 closed
CX486DX2
Open
Open
Pins 1 & 2 closed
Open
IBM486DX2
Open
Open
Pins 1 & 2 closed
Open
TI486DX2
Open
Open
Pins 1 & 2 closed
Open
SGS486DX2
Open
Open
Pins 1 & 2 closed
Open
AM486DX2
Closed
Closed
Open
Pins 2 & 3 closed
80486DX2
Closed
Closed
Open
Pins 2 & 3 closed
CX486DX4
Open
Open
Open
Open
(SL)CX486DX4
Open
Open
Pins 1 & 2 closed
Open
IBM486DX4
Open
Open
Open
Open
(SL)IBM486DX4
Open
Open
Pins 1 & 2 closed
Open
TI486DX4
Open
Open
Open
Open
(SL)TI486DX4
Open
Open
Pins 1 & 2 closed
Open
SGS486DX4
Open
Open
Open
Open
(SL)SGS486DX4
Open
Open
Pins 1 & 2 closed
Open
AM486DX4
Closed
Closed
Open
Pins 1 & 2 closed
(SL)AM486DX4
Open
Open
Open
Pins 1 & 2 closed
80486DX4
Open
Open
Open
Pins 2 & 3 closed
P24D
Open
Open
Open
Pins 1 & 2 closed
P24T
Open
Open
Pins 2 & 3 closed
Pins 2 & 3 closed
CX5X86
Open
Open
Open
Pins 1 & 2 closed
CX5X86-133
Open
Closed
Open
Pins 1 & 2 closed
AM K5
Open
Closed
Open
Pins 1 & 2 closed

CPU SPEED CONFIGURATION
Speed
JP7
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
JP19
JP20
JP21
JP22
JP23
3.3v
1 & 2
1 & 2
1 & 2
1 & 2
Closed
4v
1 & 2
1 & 2
1 & 2
1 & 2
Open
5v
2 & 3
2 & 3
2 & 3
2 & 3
Closed
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/P24T/CX5X86/AM K5
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)/ 120(internal)MHz
Chip Set	UMC
Max. Onboard DRAM	256MB
Cache	64/128/256/512/1024KB
BIOS	AMI
Dimensions	254mm x 218mm
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)
NPU Options	none

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 1	CN1	Reset switch	JP13
Serial port 2	CN2	Green PC connector	JP14
Floppy drive interface	CN3	IDE interface LED	JP15
Parallel port	CN4	Power LED & keylock	JP16
IDE interface 2	CN5	Speaker	JP17
IDE interface 1	CN6	Turbo LED	JP18
Green PC connector (monitor)	JP1	32-bit PCI slots	PC1 - PC3
External battery	JP2	32-bit VESA local bus slot	SL1
Turbo switch	JP12

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
	Battery type select internal	JP2	Pins 2 & 3 closed
	Battery type select external	JP2	Closed
	CMOS memory clear	JP2	Pins 3 & 4 closed
»	Factory configured - do not alter	JP3	N/A
»	Factory configured - do not alter	JP4	N/A
	Flash BIOS voltage select 5v	JP5	Pins 1 & 2 closed
	Flash BIOS voltage select 12v	JP5	Pins 2 & 3 closed
»	Factory configured - do not alter	JP6	N/A
Note: The location of JP5 is unidentified.

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
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	None
4MB	(1) 1M x 36	None	None	None
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 1M x 36	(1) 256K x 36	None	None
5MB	(1) 256K x 36	(1) 1M x 36	None	None
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	None
7MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
8MB	(1) 2M x 36	None	None	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
9MB	(1) 2M x 36	(1) 256K x 36	None	None
9MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	None
9MB	(1) 256K x 36	(1) 2M x 36	None	None
10MB	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36	None
11MB	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
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
12MB	(1) 1M x 36	(1) 2M x 36	None	None
13MB	(1) 256K x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
16MB	(1) 4M x 36	None	None	None
16MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	None
16MB	(1) 2M x 36	(1) 2M x 36	None	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
17MB	(1) 4M x 36	(1) 256K x 36	None	None
17MB	(1) 256K x 36	(1) 2M x 36	(1) 2M x 36	None
17MB	(1) 256K x 36	(1) 4M x 36	None	None
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	None
19MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 4M x 36	(1) 1M x 36	None	None
20MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M 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
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
24MB	(1) 2M x 36	(1) 4M x 36	None	None
25MB	(1) 256K 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
28MB	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 8M x 36	None	None	None
32MB	(1) 4M 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
33MB	(1) 8M x 36	(1) 256K x 36	None	None
33MB	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36	None
33MB	(1) 256K x 36	(1) 8M x 36	None	None
34MB	(1) 8M x 36	(1) 256K x 36	(1) 256K x 36	None
35MB	(1) 8M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
36MB	(1) 8M x 36	(1) 1M x 36	None	None
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
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
40MB	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
40MB	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36	None
40MB	(1) 2M x 36	(1) 8M x 36	None	None
44MB	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
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
48MB	(1) 4M x 36	(1) 8M x 36	None	None
49MB	(1) 256K x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36

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

CPU TYPE CONFIGURATION
Type	JP10	JP11	JP24	JP25	JP26
CX486DX	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
IBM486DX	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
TI486DX	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
SGS486DX	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
80486DX	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	Open
CX486DX2	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
IBM486DX2	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
TI486DX2	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
SGS486DX2	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
AM486DX2	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	Open
80486DX2	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	Open
CX486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
(SL)CX486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
IBM486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
(SL)IBM486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
TI486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
(SL)TI486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
SGS486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
(SL)SGS486DX4	1 & 2	2 & 3	1 & 2, 3 & 4	3 & 4	1 & 2
AM486DX4	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	Open
(SL)AM486DX4	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
80486DX4	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	1 & 2
P24D	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
P24T	1 & 2	1 & 2	1 & 2, 3 & 4	2 & 3	1 & 2
CX5X86	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
CX5X86-133	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
AM K5	1 & 2	1 & 2	1 & 2, 3 & 4	3 & 4	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP27	JP28	JP29	JP30	JP31
CX486DX	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
IBM486DX	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
TI486DX	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
SGS486DX	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
80486DX	Open	2 & 3	Open	Open	Open
CX486DX2	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
IBM486DX2	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
TI486DX2	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
SGS486DX2	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
AM486DX2	Open	2 & 3	Open	Open	Open
80486DX2	Open	2 & 3	Open	Open	Open
CX486DX4	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
(SL)CX486DX4	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
IBM486DX4	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
(SL)IBM486DX4	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
TI486DX4	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
(SL)TI486DX4	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
SGS486DX4	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
(SL)SGS486DX4	2 & 3	1 & 2	2 & 3	2 & 3	1 & 2, 3 & 4
AM486DX4	Open	2 & 3	Open	Open	Open
(SL)AM486DX4	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
80486DX4	Open	1 & 2	1 & 2	Open	2 & 3, 4 & 5
P24D	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
P24T	1 & 2	2 & 3	1 & 2	1 & 2	2 & 3, 4 & 5
CX5X86	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
CX5X86-133	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
AM K5	3 & 4	1 & 2	1 & 2, 3 & 4	Open	2 & 3, 4 & 5
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP32	JP33	JP34	JP35
CX486DX	Open	Open	Pins 1 & 2 closed	Open
IBM486DX	Open	Open	Pins 1 & 2 closed	Open
TI486DX	Open	Open	Pins 1 & 2 closed	Open
SGS486DX	Open	Open	Pins 1 & 2 closed	Open
80486DX	Closed	Closed	Open	Pins 2 & 3 closed
CX486DX2	Open	Open	Pins 1 & 2 closed	Open
IBM486DX2	Open	Open	Pins 1 & 2 closed	Open
TI486DX2	Open	Open	Pins 1 & 2 closed	Open
SGS486DX2	Open	Open	Pins 1 & 2 closed	Open
AM486DX2	Closed	Closed	Open	Pins 2 & 3 closed
80486DX2	Closed	Closed	Open	Pins 2 & 3 closed
CX486DX4	Open	Open	Open	Open
(SL)CX486DX4	Open	Open	Pins 1 & 2 closed	Open
IBM486DX4	Open	Open	Open	Open
(SL)IBM486DX4	Open	Open	Pins 1 & 2 closed	Open
TI486DX4	Open	Open	Open	Open
(SL)TI486DX4	Open	Open	Pins 1 & 2 closed	Open
SGS486DX4	Open	Open	Open	Open
(SL)SGS486DX4	Open	Open	Pins 1 & 2 closed	Open
AM486DX4	Closed	Closed	Open	Pins 1 & 2 closed
(SL)AM486DX4	Open	Open	Open	Pins 1 & 2 closed
80486DX4	Open	Open	Open	Pins 2 & 3 closed
P24D	Open	Open	Open	Pins 1 & 2 closed
P24T	Open	Open	Pins 2 & 3 closed	Pins 2 & 3 closed
CX5X86	Open	Open	Open	Pins 1 & 2 closed
CX5X86-133	Open	Closed	Open	Pins 1 & 2 closed
AM K5	Open	Closed	Open	Pins 1 & 2 closed

CPU SPEED CONFIGURATION
Speed	JP7
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	JP19	JP20	JP21	JP22	JP23
3.3v	1 & 2	1 & 2	1 & 2	1 & 2	Closed
4v	1 & 2	1 & 2	1 & 2	1 & 2	Open
5v	2 & 3	2 & 3	2 & 3	2 & 3	Closed
Note: Pins designated should be in the closed position.