EXP8449 Motherboard Settings and Configuration

DATAEXPERT CORPORATION

EXP8449

Device Type
Mainboard
Processor
80486SX/SL80486SX/UMC U5/CX 486DX/AM486DX/80486DX/ SL80486DX/TI486DX2/AMD Plus/AM486DX2/AM 486DXL/80486DX2/ AM486DX4/80486DX4/P24D/P24T/CX 5X86
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set
ALI
Video Chip Set
None
Maximum Onboard Memory
128MB
Maximum Video Memory
None
Cache
128/256/512KB
BIOS
AMI
Dimensions
220mm x 220mm
I/O Options
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 2
CN1
IDE interface LED
J2
Serial port 1
CN2
Reset switch
J3
Floppy drive interface
CN3
Turbo switch
J4
Parallel port
CN4
Turbo LED
J5
IDE interface 1
CN5
Power LED & keylock
J6
IDE interface 2
CN6
Speaker
J7
PS/2 mouse port
CN7
Green PC connector
JP15
External battery
J1
32-bit PCI slots
PC1 – PC3

USER CONFIGURABLE SETTINGS
Function
Label
Position

Battery type select external
J1
Closed

CMOS memory clear
J1
Pins 1 & 2 closed
»
Factory configured - do not alter
JP4
Unidentified

Parallel port IRQ select IRQ7
JP9
Pins 2 & 3 closed

Parallel port IRQ select IRQ5
JP9
Pins 1 & 2 closed
»
Factory configured - do not alter
JP14
Unidentified
»
Factory configured - do not alter
JP18
Unidentified

Flash BIOS voltage select 12v
JP21
Pins 2 & 3 closed

Flash BIOS voltage select 5v
JP21
Pins 1 & 2 closed
»
Factory configured - do not alter
JP22
Unidentified
»
Factory configured - do not alter
JP41
Unidentified

SIMM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
4MB
(1) 1M x 36
None
None
None
6MB
(1) 512K x 36
(1) 1M x 36
None
None
8MB
(1) 2M x 36
None
None
None
8MB
(1) 1M x 36
(1) 1M x 36
None
None
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
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

DIMM/SIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
18MB
(1) 512K x 36
(1) 2M x 36
(1) 2M x 36
None
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
22MB
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
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
28MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M 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
36MB
(1) 8M x 36
(1) 1M 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
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
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
56MB
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
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
72MB
(1) 2M x 36
(1) 8M x 36
(1) 8M x 36
None
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
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) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
TAG
128KB (A)
None
None
(4) 32K x 8
(1) 8K x 8
128KB (B)
(1) 32K x 32
None
None
(1) 8K x 8
256KB (A)
None
None
(4) 64K x 8
(1) 16K/32K x 8
256KB (B)
(1) 32K x 32
None
(4) 32K x 8
(1) 16K/32K x 8
256KB (C)
(1) 32K x 32
(1) 32K x 32
None
(1) 16K/32K x 8
512KB
None
None
(4) 128K x 8
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP17
JP20
JP37
JP42
128KB (A)
Open
Open
Pins 1 & 2 closed
Pins 1 & 2 closed
128KB (B)
Open
Open
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB (A)
Open
Closed
Pins 1 & 2 closed
Pins 2 & 3 closed
256KB (B)
Open
Closed
Pins 2 & 3 closed
Pins 2 & 3 closed
256KB (C)
Open
Closed
Pins 2 & 3 closed
Pins 2 & 3 closed
512KB
Closed
Closed
Pins 1 & 2 closed
Pins 2 & 3 closed

CPU SPEED SELECTION
Speed
JP11
JP12
JP13
JP16
25MHz
Open
Open
Pins 2 & 3 closed
Open
33MHz
Closed
Closed
Pins 2 & 3 closed
Open
40MHz
Open
Closed
Pins 2 & 3 closed
Open
40MHz
Open
Closed
Pins 1 & 2 closed
Closed
50iMHz
Open
Open
Pins 2 & 3 closed
Open
50MHz
Closed
Open
Pins 1 & 2 closed
Closed
66iMHz
Closed
Closed
Pins 2 & 3 closed
Open
75iMHz
Open
Open
Pins 2 & 3 closed
Open
100iMHz
Closed
Closed
Pins 2 & 3 closed
Open
Note: Either setting may be used for 40MHz.

CPU TYPE SELECTION
Type
JP23
JP24
JP25
JP26
80486SX
Open
Open
1 & 2
1 & 2
SL80486SX
Open
Closed
1 & 2
1 & 2
UMC U5
Open
Open
1 & 2
1 & 2
CX 486DX
Open
Closed
1 & 2
2 & 3
AM486DX
Open
Open
1 & 2
2 & 3
80486DX
Open
Open
1 & 2
2 & 3
SL80486DX
Open
Closed
1 & 2
2 & 3
TI486DX2
Open
Closed
1 & 2
2 & 3
AMD Plus
1 & 2
Closed
2 & 3
2 & 3
AM486DX2
2 & 3
Open
1 & 2
2 & 3
AM 486DXL
Open
Open
1 & 2
2 & 3
80486DX2
Open
Open
1 & 2
2 & 3
AM486DX4
Open
Open
1 & 2
2 & 3
80486DX4
Open
Closed
1 & 2
2 & 3
P24D
1 & 2
Closed
2 & 3
2 & 3
P24T
Open
Closed
2 & 3
2 & 3
CX 5X86
1 & 2
Closed
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP27
JP30
JP31
JP32
80486SX
1 & 2
Open
Open
Open
SL80486SX
3 & 4
3 & 4
Open
Open
UMC U5
1 & 2
Open
Open
Open
CX 486DX
5 & 6
5 & 6
2 & 3
1 & 2
AM486DX
1 & 2
Open
2 & 3
Open
80486DX
1 & 2
Open
2 & 3
Open
SL80486DX
3 & 4
3 & 4
2 & 3
Open
TI486DX2
5 & 6
5 & 6
2 & 3
1 & 2
AMD Plus
3 & 4
3 & 4
2 & 3
2 & 3
AM486DX2
1 & 2
Open
2 & 3
Open
AM 486DXL
1 & 2
1 & 2
2 & 3
Open
80486DX2
1 & 2
Open
2 & 3
Open
AM486DX4
1 & 2
Open
2 & 3
Open
80486DX4
3 & 4
3 & 4
2 & 3
Open
P24D
3 & 4
3 & 4
2 & 3
2 & 3
P24T
3 & 4
3 & 4
1 & 2
Open
CX 5X86
3 & 4
3 & 4
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP33
JP35
JP36
80486SX
Open
Open
Open
SL80486SX
3 & 4
Open
Open
UMC U5
Open
Open
Open
CX 486DX
5 & 6
Open
Open
AM486DX
Open
Open
Open
80486DX
Open
Open
Open
SL80486DX
3 & 4
Open
Open
TI486DX2
5 & 6
Open
Open
AMD Plus
3 & 4
Open
Open
AM486DX2
Open
Open
Open
AM 486DXL
1 & 2
Open
Open
80486DX2
Open
Open
Open
AM486DX4
Open
Open
Open
80486DX4
3 & 4
Open
Open
P24D
3 & 4
Open
Open
P24T
3 & 4
Open
Open
CX 5X86
3 & 4
1 & 2
Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage
JP28
JP29
JP34
3.45v
Pins 2 & 3 closed
Pins 3 & 4 closed
Pins 2 & 3 closed
3.6v
Pins 2 & 3 closed
Pins 5 & 6 closed
Pins 2 & 3 closed
4v
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
5v
Pins 1 & 2 closed
Open
Pins 1 & 2 closed

DMA CHANNEL SELECTION
Channel
JP5
JP6
1
Pins 1 & 2 closed
Pins 1 & 2 closed
3
Pins 2 & 3 closed
Pins 2 & 3 closed

INTERNAL KEYBOARD SELECTION
Setting
JP19
JP39
JP40
»
Enabled
Open
Closed
Closed

Disabled
Closed
Open
Open

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Device Type	Mainboard
Processor	80486SX/SL80486SX/UMC U5/CX 486DX/AM486DX/80486DX/ SL80486DX/TI486DX2/AMD Plus/AM486DX2/AM 486DXL/80486DX2/ AM486DX4/80486DX4/P24D/P24T/CX 5X86
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	ALI
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128/256/512KB
BIOS	AMI
Dimensions	220mm x 220mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	CN1	IDE interface LED	J2
Serial port 1	CN2	Reset switch	J3
Floppy drive interface	CN3	Turbo switch	J4
Parallel port	CN4	Turbo LED	J5
IDE interface 1	CN5	Power LED & keylock	J6
IDE interface 2	CN6	Speaker	J7
PS/2 mouse port	CN7	Green PC connector	JP15
External battery	J1	32-bit PCI slots	PC1 – PC3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Battery type select external	J1	Closed
	CMOS memory clear	J1	Pins 1 & 2 closed
»	Factory configured - do not alter	JP4	Unidentified
	Parallel port IRQ select IRQ7	JP9	Pins 2 & 3 closed
	Parallel port IRQ select IRQ5	JP9	Pins 1 & 2 closed
»	Factory configured - do not alter	JP14	Unidentified
»	Factory configured - do not alter	JP18	Unidentified
	Flash BIOS voltage select 12v	JP21	Pins 2 & 3 closed
	Flash BIOS voltage select 5v	JP21	Pins 1 & 2 closed
»	Factory configured - do not alter	JP22	Unidentified
»	Factory configured - do not alter	JP41	Unidentified

SIMM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	None	None	None
6MB	(1) 512K x 36	(1) 1M x 36	None	None
8MB	(1) 2M x 36	None	None	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
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
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

DIMM/SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
18MB	(1) 512K x 36	(1) 2M x 36	(1) 2M x 36	None
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
22MB	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36
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
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M 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
36MB	(1) 8M x 36	(1) 1M 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
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
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
56MB	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
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
72MB	(1) 2M x 36	(1) 8M x 36	(1) 8M x 36	None
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
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) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	TAG
128KB (A)	None	None	(4) 32K x 8	(1) 8K x 8
128KB (B)	(1) 32K x 32	None	None	(1) 8K x 8
256KB (A)	None	None	(4) 64K x 8	(1) 16K/32K x 8
256KB (B)	(1) 32K x 32	None	(4) 32K x 8	(1) 16K/32K x 8
256KB (C)	(1) 32K x 32	(1) 32K x 32	None	(1) 16K/32K x 8
512KB	None	None	(4) 128K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP17	JP20	JP37	JP42
128KB (A)	Open	Open	Pins 1 & 2 closed	Pins 1 & 2 closed
128KB (B)	Open	Open	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (A)	Open	Closed	Pins 1 & 2 closed	Pins 2 & 3 closed
256KB (B)	Open	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed
256KB (C)	Open	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed
512KB	Closed	Closed	Pins 1 & 2 closed	Pins 2 & 3 closed

CPU SPEED SELECTION
Speed	JP11	JP12	JP13	JP16
25MHz	Open	Open	Pins 2 & 3 closed	Open
33MHz	Closed	Closed	Pins 2 & 3 closed	Open
40MHz	Open	Closed	Pins 2 & 3 closed	Open
40MHz	Open	Closed	Pins 1 & 2 closed	Closed
50iMHz	Open	Open	Pins 2 & 3 closed	Open
50MHz	Closed	Open	Pins 1 & 2 closed	Closed
66iMHz	Closed	Closed	Pins 2 & 3 closed	Open
75iMHz	Open	Open	Pins 2 & 3 closed	Open
100iMHz	Closed	Closed	Pins 2 & 3 closed	Open
Note: Either setting may be used for 40MHz.

CPU TYPE SELECTION
Type	JP23	JP24	JP25	JP26
80486SX	Open	Open	1 & 2	1 & 2
SL80486SX	Open	Closed	1 & 2	1 & 2
UMC U5	Open	Open	1 & 2	1 & 2
CX 486DX	Open	Closed	1 & 2	2 & 3
AM486DX	Open	Open	1 & 2	2 & 3
80486DX	Open	Open	1 & 2	2 & 3
SL80486DX	Open	Closed	1 & 2	2 & 3
TI486DX2	Open	Closed	1 & 2	2 & 3
AMD Plus	1 & 2	Closed	2 & 3	2 & 3
AM486DX2	2 & 3	Open	1 & 2	2 & 3
AM 486DXL	Open	Open	1 & 2	2 & 3
80486DX2	Open	Open	1 & 2	2 & 3
AM486DX4	Open	Open	1 & 2	2 & 3
80486DX4	Open	Closed	1 & 2	2 & 3
P24D	1 & 2	Closed	2 & 3	2 & 3
P24T	Open	Closed	2 & 3	2 & 3
CX 5X86	1 & 2	Closed	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP27	JP30	JP31	JP32
80486SX	1 & 2	Open	Open	Open
SL80486SX	3 & 4	3 & 4	Open	Open
UMC U5	1 & 2	Open	Open	Open
CX 486DX	5 & 6	5 & 6	2 & 3	1 & 2
AM486DX	1 & 2	Open	2 & 3	Open
80486DX	1 & 2	Open	2 & 3	Open
SL80486DX	3 & 4	3 & 4	2 & 3	Open
TI486DX2	5 & 6	5 & 6	2 & 3	1 & 2
AMD Plus	3 & 4	3 & 4	2 & 3	2 & 3
AM486DX2	1 & 2	Open	2 & 3	Open
AM 486DXL	1 & 2	1 & 2	2 & 3	Open
80486DX2	1 & 2	Open	2 & 3	Open
AM486DX4	1 & 2	Open	2 & 3	Open
80486DX4	3 & 4	3 & 4	2 & 3	Open
P24D	3 & 4	3 & 4	2 & 3	2 & 3
P24T	3 & 4	3 & 4	1 & 2	Open
CX 5X86	3 & 4	3 & 4	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP33	JP35	JP36
80486SX	Open	Open	Open
SL80486SX	3 & 4	Open	Open
UMC U5	Open	Open	Open
CX 486DX	5 & 6	Open	Open
AM486DX	Open	Open	Open
80486DX	Open	Open	Open
SL80486DX	3 & 4	Open	Open
TI486DX2	5 & 6	Open	Open
AMD Plus	3 & 4	Open	Open
AM486DX2	Open	Open	Open
AM 486DXL	1 & 2	Open	Open
80486DX2	Open	Open	Open
AM486DX4	Open	Open	Open
80486DX4	3 & 4	Open	Open
P24D	3 & 4	Open	Open
P24T	3 & 4	Open	Open
CX 5X86	3 & 4	1 & 2	Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	JP28	JP29	JP34
3.45v	Pins 2 & 3 closed	Pins 3 & 4 closed	Pins 2 & 3 closed
3.6v	Pins 2 & 3 closed	Pins 5 & 6 closed	Pins 2 & 3 closed
4v	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
5v	Pins 1 & 2 closed	Open	Pins 1 & 2 closed

DMA CHANNEL SELECTION
Channel	JP5	JP6
1	Pins 1 & 2 closed	Pins 1 & 2 closed
3	Pins 2 & 3 closed	Pins 2 & 3 closed

INTERNAL KEYBOARD SELECTION
Setting		JP19	JP39	JP40
»	Enabled	Open	Closed	Closed
	Disabled	Closed	Open	Open