EXP4045 Motherboard Settings and Configuration

DATAEXPERT CORPORATION

EXP4045

Processor
CX486M6/80486SX/CX486M7/AM486DX/80486DX/SL80486DX/AM486DX2/ 80486DX2/SL80486DX2/80486DX4/P24D/Pentium Overdrive
Processor Speed
25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set
Unidentified
Max. Onboard DRAM
128MB
Cache
128/256/512KB
BIOS
Award
Dimensions
249mm x 218mm
I/O Options
32-bit VESA local bus slots (3), green PC connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
J1
Turbo LED
J5
Speaker
J2
External battery
JP40
Reset switch
J3
32-bit VESA local bus slots
SL1 - SL3
Turbo switch
J4

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
JP5
N/A
»
Factory configured - do not alter
JP10
N/A
»
Factory configured - do not alter
JP11
N/A
»
Factory configured - do not alter
JP12
N/A
»
Factory configured - do not alter
JP13
N/A
»
Factory configured - do not alter
JP14
N/A
»
Factory configured - do not alter
JP15
N/A
»
Factory configured - do not alter
JP35
N/A
»
Factory configured - do not alter
JP37
N/A
»
Factory configured - do not alter
JP38
N/A
»
Monitor type select color
JP39
Closed

Monitor type select monochrome
JP39
Open

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
4MB
(1) 1M 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
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
12MB
(1) 1M x 36
NONE
(1) 2M x 36
NONE
8MB
(1) 2M x 36
NONE
NONE
NONE
16MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
24MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
NONE
32MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
16MB
(1) 4M x 36
NONE
NONE
NONE
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
32MB
(1) 8M x 36
NONE
NONE
NONE
128MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36

CACHE CONFIGURATION
Size
Bank 0
TAG
128KB
(4) 32K x 8
(1) 32K x 8
256KB
(4) 32K x 8
(1) 32K x 8
512KB
(4) 128K x 8
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP1
JP2
JP3
JP4
128KB
Open
Open
pins 2 & 3 closed
pins 1 & 2 closed
256KB
pins 1 & 2 closed
Open
pins 2 & 3 closed
pins 2 & 3 closed
512KB
pins 2 & 3 closed
Closed
pins 1 & 2 closed
pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type
JP6
JP16
JP17
JP19
JP20
CX486M6
2 & 3
2 & 3, 4 & 5
Open
2 & 3
Closed
80486SX
1 & 2
1 & 2
Open
1 & 2
Open
CX486M7
2 & 3
2 & 3, 4 & 5
Closed
2 & 3
Closed
AM486DX
1 & 2
1 & 2
Closed
1 & 2
Open
80486DX
1 & 2
1 & 2
Closed
1 & 2
Open
SL80486DX
1 & 2
1 & 2
Closed
1 & 2
Closed
AM486DX2
1 & 2
1 & 2
Closed
1 & 2
Open
80486DX2
1 & 2
1 & 2
Closed
1 & 2
Open
SL80486DX2
1 & 2
1 & 2
Closed
1 & 2
Closed
80486DX4
1 & 2
1 & 2
Closed
1 & 2
Closed
P24D
1 & 2
1 & 2, 3 & 4
Closed
1 & 2
Closed
P24T
1 & 2
1 & 2
Closed
1 & 2
Closed
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP21
JP22
JP23
JP24
JP25
CX486M6
2 & 3, 4 & 5
Closed
Open
Open
2 & 3, 4 & 5
80486SX
Open
Closed
Open
Open
1 & 2, 3 & 4
CX486M7
2 & 3, 4 & 5
Closed
Open
Open
2 & 3, 4 & 5
AM486DX
Open
Closed
Open
Open
1 & 2, 3 & 4
80486DX
Open
Closed
Open
Open
1 & 2, 3 & 4
SL80486DX
Open
Closed
Open
Open
1 & 2, 3 & 4
AM486DX2
Open
Closed
Open
Open
1 & 2, 3 & 4
80486DX2
Open
Closed
Open
Open
1 & 2, 3 & 4
SL80486DX2
Open
Closed
Open
Open
1 & 2, 3 & 4
80486DX4
Open
Closed
Open
Open
1 & 2, 3 & 4
P24D
Open
Open
1 & 2
1 & 2
1 & 2, 3 & 4
P24T
Open
Open
Open
Open
1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP26
JP27
JP28
JP29
JP30
CX486M6
Open
Open
2 & 3
Open
Open
80486SX
Open
Open
2 & 3
Open
Open
CX486M7
Closed
Open
1 & 2
Closed
Closed
AM486DX
Closed
Open
1 & 2
Closed
Closed
80486DX
Closed
Open
1 & 2
Closed
Closed
SL80486DX
Closed
Open
1 & 2
Closed
Closed
AM486DX2
Closed
Open
1 & 2
Closed
Closed
80486DX2
Closed
Open
1 & 2
Closed
Closed
SL80486DX2
Closed
Open
1 & 2
Closed
Closed
80486DX4
Closed
Open
1 & 2
Closed
Closed
P24D
Closed
Open
1 & 2
Closed
Closed
P24T
Closed
1 & 2
1 & 2
Closed
Open
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type
JP31
JP32
JP34
JP36
CX486M6
Open
Open
Closed
Closed
80486SX
Open
Open
Open
Open
CX486M7
Open
Open
Closed
Closed
AM486DX
Open
Open
Open
Open
80486DX
Open
Open
Open
Open
SL80486DX
Open
Open
Open
Closed
AM486DX2
Open
Open
Open
Open
80486DX2
Open
Open
Open
Open
SL80486DX2
Open
Open
Open
Closed
80486DX4
Open
Closed
Open
Closed
P24D
Open
Closed
Open
Closed
P24T
Open
Closed
Open
Closed

Note: An alternative source suggests that JP32 for Intel 486 enhanced CPU should be Open

CPU SPEED CONFIGURATION
Speed
JP7
JP8
JP9
25MHz
Open
Open
Closed
33MHz
Closed
Closed
Closed
40MHz
Open
Closed
Closed
50iMHz
Open
Open
Closed
66iMHz
Closed
Closed
Closed
75iMHz
Open
Open
Closed
100iMHz
Closed
Closed
Closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)
Speed
JP16
2x
pins 7 & 8 closed
2.5x
pins 8 & 9 closed
3x
Open

CPU VOLTAGE CONFIGURATION
Speed
JP18
JP33
3.3v
Open
Open
5v
Closed
Closed

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Processor	CX486M6/80486SX/CX486M7/AM486DX/80486DX/SL80486DX/AM486DX2/ 80486DX2/SL80486DX2/80486DX4/P24D/Pentium Overdrive
Processor Speed	25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	128MB
Cache	128/256/512KB
BIOS	Award
Dimensions	249mm x 218mm
I/O Options	32-bit VESA local bus slots (3), green PC connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	Turbo LED	J5
Speaker	J2	External battery	JP40
Reset switch	J3	32-bit VESA local bus slots	SL1 - SL3
Turbo switch	J4

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP5	N/A
»	Factory configured - do not alter	JP10	N/A
»	Factory configured - do not alter	JP11	N/A
»	Factory configured - do not alter	JP12	N/A
»	Factory configured - do not alter	JP13	N/A
»	Factory configured - do not alter	JP14	N/A
»	Factory configured - do not alter	JP15	N/A
»	Factory configured - do not alter	JP35	N/A
»	Factory configured - do not alter	JP37	N/A
»	Factory configured - do not alter	JP38	N/A
»	Monitor type select color	JP39	Closed
	Monitor type select monochrome	JP39	Open

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
4MB	(1) 1M 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
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 1M x 36	NONE	(1) 2M x 36	NONE
8MB	(1) 2M x 36	NONE	NONE	NONE
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
24MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	NONE
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
32MB	(1) 8M x 36	NONE	NONE	NONE
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	TAG
128KB	(4) 32K x 8	(1) 32K x 8
256KB	(4) 32K x 8	(1) 32K x 8
512KB	(4) 128K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP1	JP2	JP3	JP4
128KB	Open	Open	pins 2 & 3 closed	pins 1 & 2 closed
256KB	pins 1 & 2 closed	Open	pins 2 & 3 closed	pins 2 & 3 closed
512KB	pins 2 & 3 closed	Closed	pins 1 & 2 closed	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JP6	JP16	JP17	JP19	JP20
CX486M6	2 & 3	2 & 3, 4 & 5	Open	2 & 3	Closed
80486SX	1 & 2	1 & 2	Open	1 & 2	Open
CX486M7	2 & 3	2 & 3, 4 & 5	Closed	2 & 3	Closed
AM486DX	1 & 2	1 & 2	Closed	1 & 2	Open
80486DX	1 & 2	1 & 2	Closed	1 & 2	Open
SL80486DX	1 & 2	1 & 2	Closed	1 & 2	Closed
AM486DX2	1 & 2	1 & 2	Closed	1 & 2	Open
80486DX2	1 & 2	1 & 2	Closed	1 & 2	Open
SL80486DX2	1 & 2	1 & 2	Closed	1 & 2	Closed
80486DX4	1 & 2	1 & 2	Closed	1 & 2	Closed
P24D	1 & 2	1 & 2, 3 & 4	Closed	1 & 2	Closed
P24T	1 & 2	1 & 2	Closed	1 & 2	Closed
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP21	JP22	JP23	JP24	JP25
CX486M6	2 & 3, 4 & 5	Closed	Open	Open	2 & 3, 4 & 5
80486SX	Open	Closed	Open	Open	1 & 2, 3 & 4
CX486M7	2 & 3, 4 & 5	Closed	Open	Open	2 & 3, 4 & 5
AM486DX	Open	Closed	Open	Open	1 & 2, 3 & 4
80486DX	Open	Closed	Open	Open	1 & 2, 3 & 4
SL80486DX	Open	Closed	Open	Open	1 & 2, 3 & 4
AM486DX2	Open	Closed	Open	Open	1 & 2, 3 & 4
80486DX2	Open	Closed	Open	Open	1 & 2, 3 & 4
SL80486DX2	Open	Closed	Open	Open	1 & 2, 3 & 4
80486DX4	Open	Closed	Open	Open	1 & 2, 3 & 4
P24D	Open	Open	1 & 2	1 & 2	1 & 2, 3 & 4
P24T	Open	Open	Open	Open	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP26	JP27	JP28	JP29	JP30
CX486M6	Open	Open	2 & 3	Open	Open
80486SX	Open	Open	2 & 3	Open	Open
CX486M7	Closed	Open	1 & 2	Closed	Closed
AM486DX	Closed	Open	1 & 2	Closed	Closed
80486DX	Closed	Open	1 & 2	Closed	Closed
SL80486DX	Closed	Open	1 & 2	Closed	Closed
AM486DX2	Closed	Open	1 & 2	Closed	Closed
80486DX2	Closed	Open	1 & 2	Closed	Closed
SL80486DX2	Closed	Open	1 & 2	Closed	Closed
80486DX4	Closed	Open	1 & 2	Closed	Closed
P24D	Closed	Open	1 & 2	Closed	Closed
P24T	Closed	1 & 2	1 & 2	Closed	Open
Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)
Type	JP31	JP32	JP34	JP36
CX486M6	Open	Open	Closed	Closed
80486SX	Open	Open	Open	Open
CX486M7	Open	Open	Closed	Closed
AM486DX	Open	Open	Open	Open
80486DX	Open	Open	Open	Open
SL80486DX	Open	Open	Open	Closed
AM486DX2	Open	Open	Open	Open
80486DX2	Open	Open	Open	Open
SL80486DX2	Open	Open	Open	Closed
80486DX4	Open	Closed	Open	Closed
P24D	Open	Closed	Open	Closed
P24T	Open	Closed	Open	Closed

CPU SPEED CONFIGURATION
Speed	JP7	JP8	JP9
25MHz	Open	Open	Closed
33MHz	Closed	Closed	Closed
40MHz	Open	Closed	Closed
50iMHz	Open	Open	Closed
66iMHz	Closed	Closed	Closed
75iMHz	Open	Open	Closed
100iMHz	Closed	Closed	Closed

CPU VOLTAGE CONFIGURATION
Speed	JP18	JP33
3.3v	Open	Open
5v	Closed	Closed