F4DXL-UC4 Motherboard Settings and Configuration

UNIDENTIFIED

F4DXL-UC4

Processor
UMCU5/80486SX/IBM486DX/CX486DX/AM486DX/80486DX/IBM486DX2/ CX486DX2/AM486DX2/80486DX2/IBM486DX4/CX486DX4/AM486DX4/ 80486DX4/P24T
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
Chip Set
UMC
Max. Onboard DRAM
144MB
Cache
64/128/256KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
32-bit VESA local bus slots (3), green PC connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Turbo LED
D1
Turbo switch
JP27
External battery
JP1
Speaker
JP28
Green PC LED
JP24
Power LED & keylock
JP29
Green PC connector
JP25
32-bit VESA local bus slots
SL1 - SL3
Reset switch
JP26

Note: The location of D1 is unidentified.

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation
JP1
Pins 2 & 3 closed

CMOS memory clear
JP1
Pins 3 & 4 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
1MB
None
None
(4) 256K x 9
4MB
None
None
(4) 1M x 9
4MB
(1) 1M x 36
None
None
5MB
(1) 1M x 36
None
(4) 256K x 9
8MB
(1) 1M x 36
None
(4) 1M x 9
8MB
(1) 1M x 36
(1) 1M x 36
None
8MB
(1) 2M x 36
None
None
9MB
(1) 1M x 36
(1) 1M x 36
(4) 256K x 9
12MB
(1) 1M x 36
(1) 1M x 36
(4) 1M x 9
16MB
None
None
(4) 4M x 9
16MB
(1) 2M x 36
(1) 2M x 36
None
16MB
(1) 4M x 36
None
None
20MB
(1) 1M x 36
None
(4) 4M x 9
24MB
(1) 2M x 36
None
(4) 4M x 9
32MB
(1) 2M x 36
(1) 2M x 36
(4) 4M x 9
32MB
(1) 4M x 36
None
(4) 4M x 9
32MB
(1) 8M x 36
None
None
48MB
(1) 4M x 36
(1) 4M x 36
(4) 4M x 9
64MB
(1) 8M x 36
(1) 8M x 36
None
64MB
(1) 16M x 36
None
None
128MB
(1) 16M x 36
(1) 16M x 36
None
144MB
(1) 16M x 36
(1) 16M x 36
(4) 4M x 9

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

CACHE JUMPER CONFIGURATION
Size
JP7
JP8
JP9
JP10
64KB
Open
Open
Open
Pins 2 & 3 closed
128KB
Open
Closed
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB (A)
Closed
Closed
Pins 2 & 3 closed
Pins 2 & 3 closed
256KB (B)
Closed
Closed
Pins 1 & 2, 3 & 4 closed
Pins 1 & 2 closed

CPU TYPE CONFIGURATION
Type
JP11
JP12
JP13
JP17
UMC U5
2 & 3
2 & 3
2 & 3
3 & 4
80486SX
Open
2 & 3
2 & 3
Open
IBM486DX
1 & 2, 3 & 4
1 & 2, 3 & 4, 5 & 6
2 & 3
Open
CX486DX
1 & 2, 3 & 4
1 & 2, 3 & 4, 5 & 6
2 & 3
Open
AM486DX
Open
2 & 3
1 & 2, 3 & 4
1 & 2
80486DX
Open
2 & 3
1 & 2, 3 & 4
1 & 2
IBM486DX2
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4
1 & 2
CX486DX2
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4
1 & 2
AM486DX2
Open
2 & 3
1 & 2, 3 & 4
1 & 2
AM486DX2-80
2 & 3
2 & 3
1 & 2, 3 & 4
1 & 2, 3 & 4
80486DX2
Open
2 & 3
1 & 2, 3 & 4
1 & 2
80486DX2-66 (OD)
1 & 2, 4 & 5
1 & 2, 4 & 5
1 & 2, 3 & 4
1 & 2
IBM486DX4
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4
1 & 2
CX486DX4
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4, 5 & 6
1 & 2, 3 & 4
1 & 2
AM486DX4
2 & 3
2 & 3
1 & 2, 3 & 4
1 & 2, 3 & 4
80486DX4
1 & 2
1 & 2
1 & 2, 3 & 4
1 & 2
P24T
1 & 2
1 & 2
1 & 2, 3 & 4
2 & 3
Note: Pins designated should be in the closed position. If AM486DX2-80 CPU is used, jumper JP12 pin 4 & JP20 pin 3 also.

CPU TYPE CONFIGURATION (CON’T)
Type
JP18
JP19
JP20
UMC U5
1 & 2
Open
Open
80486SX
Open
Open
Open
IBM486DX
2 & 3, 4 & 5
2 & 3, 4 & 5
Open
CX486DX
2 & 3, 4 & 5
2 & 3, 4 & 5
Open
AM486DX
Open
Open
Open
80486DX
Open
Open
Open
IBM486DX2
2 & 3, 4 & 5
2 & 3
Open
CX486DX2
2 & 3, 4 & 5
2 & 3
Open
AM486DX2
Open
Open
Open
AM486DX2-80
1 & 2
Open
1 & 2
80486DX2
Open
Open
Open
80486DX2-66 (OD)
3 & 4, 5 & 6
1 & 2, 3 & 4
Open
IBM486DX4
2 & 3, 4 & 5
2 & 3
Open
CX486DX4
2 & 3, 4 & 5
2 & 3
Open
AM486DX4
1 & 2
Open
Open
80486DX4
5 & 6
1 & 2, 3 & 4
Open
P24T
5 & 6
1 & 2, 3 & 4
Open
Note: Pins designated should be in the closed position. If AM486DX2-80 CPU is used, jumper JP12 pin 4 & JP20 pin 3 also.

CPU SPEED CONFIGURATION
Speed
JP4
JP5
JP6
25MHz
Open
Open
Closed
33MHz
Closed
Closed
Closed
40MHz
Open
Closed
Closed
50iMHz
Open
Open
Closed
50MHz
Closed
Open
Open
66iMHz
Closed
Closed
Closed
75iMHz
Open
Open
Closed
80iMHz
Open
Closed
Closed
100iMHz
Closed
Closed
Closed

CPU VOLTAGE CONFIGURATION
Voltage
JP14
JP15
JP16
JP23
»
3.3v
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Closed

4v
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Open

5v
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 2 & 3 closed
Open

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Processor	UMCU5/80486SX/IBM486DX/CX486DX/AM486DX/80486DX/IBM486DX2/ CX486DX2/AM486DX2/80486DX2/IBM486DX4/CX486DX4/AM486DX4/ 80486DX4/P24T
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
Chip Set	UMC
Max. Onboard DRAM	144MB
Cache	64/128/256KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit VESA local bus slots (3), green PC connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo LED	D1	Turbo switch	JP27
External battery	JP1	Speaker	JP28
Green PC LED	JP24	Power LED & keylock	JP29
Green PC connector	JP25	32-bit VESA local bus slots	SL1 - SL3
Reset switch	JP26
Note: The location of D1 is unidentified.

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	JP1	Pins 2 & 3 closed
	CMOS memory clear	JP1	Pins 3 & 4 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
1MB	None	None	(4) 256K x 9
4MB	None	None	(4) 1M x 9
4MB	(1) 1M x 36	None	None
5MB	(1) 1M x 36	None	(4) 256K x 9
8MB	(1) 1M x 36	None	(4) 1M x 9
8MB	(1) 1M x 36	(1) 1M x 36	None
8MB	(1) 2M x 36	None	None
9MB	(1) 1M x 36	(1) 1M x 36	(4) 256K x 9
12MB	(1) 1M x 36	(1) 1M x 36	(4) 1M x 9
16MB	None	None	(4) 4M x 9
16MB	(1) 2M x 36	(1) 2M x 36	None
16MB	(1) 4M x 36	None	None
20MB	(1) 1M x 36	None	(4) 4M x 9
24MB	(1) 2M x 36	None	(4) 4M x 9
32MB	(1) 2M x 36	(1) 2M x 36	(4) 4M x 9
32MB	(1) 4M x 36	None	(4) 4M x 9
32MB	(1) 8M x 36	None	None
48MB	(1) 4M x 36	(1) 4M x 36	(4) 4M x 9
64MB	(1) 8M x 36	(1) 8M x 36	None
64MB	(1) 16M x 36	None	None
128MB	(1) 16M x 36	(1) 16M x 36	None
144MB	(1) 16M x 36	(1) 16M x 36	(4) 4M x 9

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

CACHE JUMPER CONFIGURATION
Size	JP7	JP8	JP9	JP10
64KB	Open	Open	Open	Pins 2 & 3 closed
128KB	Open	Closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (A)	Closed	Closed	Pins 2 & 3 closed	Pins 2 & 3 closed
256KB (B)	Closed	Closed	Pins 1 & 2, 3 & 4 closed	Pins 1 & 2 closed

CPU TYPE CONFIGURATION
Type	JP11	JP12	JP13	JP17
UMC U5	2 & 3	2 & 3	2 & 3	3 & 4
80486SX	Open	2 & 3	2 & 3	Open
IBM486DX	1 & 2, 3 & 4	1 & 2, 3 & 4, 5 & 6	2 & 3	Open
CX486DX	1 & 2, 3 & 4	1 & 2, 3 & 4, 5 & 6	2 & 3	Open
AM486DX	Open	2 & 3	1 & 2, 3 & 4	1 & 2
80486DX	Open	2 & 3	1 & 2, 3 & 4	1 & 2
IBM486DX2	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4	1 & 2
CX486DX2	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4	1 & 2
AM486DX2	Open	2 & 3	1 & 2, 3 & 4	1 & 2
AM486DX2-80	2 & 3	2 & 3	1 & 2, 3 & 4	1 & 2, 3 & 4
80486DX2	Open	2 & 3	1 & 2, 3 & 4	1 & 2
80486DX2-66 (OD)	1 & 2, 4 & 5	1 & 2, 4 & 5	1 & 2, 3 & 4	1 & 2
IBM486DX4	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4	1 & 2
CX486DX4	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4, 5 & 6	1 & 2, 3 & 4	1 & 2
AM486DX4	2 & 3	2 & 3	1 & 2, 3 & 4	1 & 2, 3 & 4
80486DX4	1 & 2	1 & 2	1 & 2, 3 & 4	1 & 2
P24T	1 & 2	1 & 2	1 & 2, 3 & 4	2 & 3
Note: Pins designated should be in the closed position. If AM486DX2-80 CPU is used, jumper JP12 pin 4 & JP20 pin 3 also.

CPU TYPE CONFIGURATION (CON’T)
Type	JP18	JP19	JP20
UMC U5	1 & 2	Open	Open
80486SX	Open	Open	Open
IBM486DX	2 & 3, 4 & 5	2 & 3, 4 & 5	Open
CX486DX	2 & 3, 4 & 5	2 & 3, 4 & 5	Open
AM486DX	Open	Open	Open
80486DX	Open	Open	Open
IBM486DX2	2 & 3, 4 & 5	2 & 3	Open
CX486DX2	2 & 3, 4 & 5	2 & 3	Open
AM486DX2	Open	Open	Open
AM486DX2-80	1 & 2	Open	1 & 2
80486DX2	Open	Open	Open
80486DX2-66 (OD)	3 & 4, 5 & 6	1 & 2, 3 & 4	Open
IBM486DX4	2 & 3, 4 & 5	2 & 3	Open
CX486DX4	2 & 3, 4 & 5	2 & 3	Open
AM486DX4	1 & 2	Open	Open
80486DX4	5 & 6	1 & 2, 3 & 4	Open
P24T	5 & 6	1 & 2, 3 & 4	Open
Note: Pins designated should be in the closed position. If AM486DX2-80 CPU is used, jumper JP12 pin 4 & JP20 pin 3 also.

CPU SPEED CONFIGURATION
Speed	JP4	JP5	JP6
25MHz	Open	Open	Closed
33MHz	Closed	Closed	Closed
40MHz	Open	Closed	Closed
50iMHz	Open	Open	Closed
50MHz	Closed	Open	Open
66iMHz	Closed	Closed	Closed
75iMHz	Open	Open	Closed
80iMHz	Open	Closed	Closed
100iMHz	Closed	Closed	Closed

CPU VOLTAGE CONFIGURATION
Voltage		JP14	JP15	JP16	JP23
»	3.3v	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Closed
	4v	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Open
	5v	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed	Open