A-BL2443G, A-BL2463, A-BL2483 Motherboard Settings and Configuration

MAGITRONICS

A-BL2443G, A-BL2463, A-BL2483

Device Type
Mainboard
Processor
CX486/80486SX/SL80486SX/CX486S/CX486DX/AM486DXL/
80486DX/SL80486DX/CX486DX2/80486DX2/SL80486DX2/P24C/
P24T
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
64MB
Maximum Video Memory
None
Cache
64/128/256KB
BIOS
Unidentified
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
External battery
BATT
Wake on modem connector
JG7
Power LED & keylock
CN1
Green PC connector
JG8
Speaker
CN2
Green PC connector
JG9
Reset switch
CN3
Green PC connector
JG10
Turbo switch
CN4
Green PC connector
JG11
Turbo LED
CN5
32-bit VESA local bus slots
SL1 – SL3
Green PC connector
JG6

USER CONFIGURABLE SETTINGS
Function
Label
Position

Battery type select internal
BATT
Pins 2 & 3 closed

Battery type select external
BATT
Open

CMOS memory clear
BATT
Pins 3 & 4 closed
»
Factory configured - do not alter
JX1
Unidentified

SIMM 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) 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
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
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
None

SIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
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
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
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) 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) 1M x 36
(1) 4M x 36
(1) 4M x 36
None
40MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
None
52MB
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 4M 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
(4) 32K x 8
(4) 32K x 8
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JS1
JS2
JS3
JS4
64KB
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
128KB
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
256KB
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 2 & 3 closed

CPU SPEED SELECTION
Speed
JF1
JF2
JF3
JC10
JC11
JC13
25MHz
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
1 & 2
33MHz
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2
40MHz
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
50iMHz
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
1 & 2
50MHz
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
66iMHz
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2
75iMHz
2 & 3
1 & 2
2 & 3
1 & 2
1 & 2
1 & 2
100iMHz
2 & 3
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type
JC1
JC2
JC3
JC4
JC5
JC6
CX486
Open
1 & 2
Open
2 & 3
2 & 3
2 & 3
80486SX
Closed
1 & 2
Open
1 & 2
Open
2 & 3
SL80486SX
Closed
1 & 2
Open
1 & 2
Open
2 & 3
CX486S
Open
1 & 2
Open
2 & 3
2 & 3
2 & 3
CX486DX
Open
1 & 2
2 & 3
2 & 3
2 & 3
1 & 2, 3 & 4
AM486DXL
Closed
1 & 2
2 & 3
1 & 2
Open
1 & 2, 3 & 4
80486DX
Closed
1 & 2
2 & 3
1 & 2
Open
1 & 2, 3 & 4
SL80486DX
Closed
1 & 2
2 & 3
1 & 2
Open
1 & 2, 3 & 4
CX486DX2
Open
1 & 2
2 & 3
2 & 3
2 & 3
1 & 2, 3 & 4
80486DX2
Closed
1 & 2
2 & 3
1 & 2
Open
1 & 2, 3 & 4
SL80486DX2
Closed
1 & 2
2 & 3
1 & 2
Open
1 & 2, 3 & 4
P24C
Closed
1 & 2
2 & 3
1 & 2
Open
1 & 2, 3 & 4
P24T
Closed
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JC7
JC8
JC9
JC20
JX2
JX4
CX486
2 & 3
Open
2 & 3
Open
Closed
Closed
80486SX
Open
Open
Open
Open
Closed
Closed
SL80486SX
Open
Open
Open
Closed
Closed
Closed
CX486S
2 & 3
Open
2 & 3
Open
Closed
Closed
CX486DX
Open
Open
2 & 3
Open
Closed
Closed
AM486DXL
Open
Open
Open
Open
Closed
Closed
80486DX
Open
Open
Open
Open
Closed
Closed
SL80486DX
Open
Open
Open
Closed
Closed
Closed
CX486DX2
Open
Open
2 & 3
Open
Closed
Closed
80486DX2
Open
Open
Open
Open
Closed
Closed
SL80486DX2
Open
Open
Open
Closed
Closed
Closed
P24C
Open
Open
Open
Open
Open
Open
P24T
Open
2 & 3
Open
Open
Closed
Closed
Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (P24C ONLY)
Multiplier
JX3
2x
Pins 2 & 3 closed
3x
Pins 1 & 2 closed

CPU SELECTION
Type
JC12
JC21
JC22
JG2
JG3
AMD
1 & 2
Open
Open
1 & 2
1 & 2
AM486DXL
2 & 3
Open
Open
2 & 3
2 & 3
CX486DX2
1 & 2
Closed
Closed
1 & 2
1 & 2
CX486S
1 & 2
Closed
Closed
1 & 2
1 & 2
Cyrix
1 & 2
Open
Closed
1 & 2
1 & 2
Intel
1 & 2
Open
Open
2 & 3
2 & 3
Intel - S
1 & 2
Open
Open
2 & 3
2 & 3
P24C
1 & 2
Open
Open
1 & 2
1 & 2
P24T
1 & 2
Closed
Open
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU SELECTION (CON’T)
Type
JG4
JG5
JG16
JG19
JG20
AMD
1 & 2
1 & 2
Open
Open
Open
AM486DXL
2 & 3
2 & 3
Open
Open
Open
CX486DX2
1 & 2
1 & 2
Open
Closed
1 & 2
CX486S
1 & 2
1 & 2
Open
Closed
1 & 2
Cyrix
1 & 2
1 & 2
Open
Closed
1 & 2
Intel
2 & 3
2 & 3
Open
Open
Open
Intel - S
2 & 3
2 & 3
Open
Open
2 & 3
P24C
1 & 2
Open
Closed
Open
Open
P24T
2 & 3
2 & 3
Open
Open
Open
Note: Pins designated should be in the closed position.

VL BUS WAIT STATE SELECTION
Setting
J2
0
Open
1
Closed

VL BUS SPEED SELECTION
Speed
J1
<= 33MHz
Open
>33 MHz
Closed

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A-BL2443G, A-BL2463, A-BL2483 Motherboard Settings and Configuration

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Device Type	Mainboard
Processor	CX486/80486SX/SL80486SX/CX486S/CX486DX/AM486DXL/ 80486DX/SL80486DX/CX486DX2/80486DX2/SL80486DX2/P24C/ P24T
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	64MB
Maximum Video Memory	None
Cache	64/128/256KB
BIOS	Unidentified
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
External battery	BATT	Wake on modem connector	JG7
Power LED & keylock	CN1	Green PC connector	JG8
Speaker	CN2	Green PC connector	JG9
Reset switch	CN3	Green PC connector	JG10
Turbo switch	CN4	Green PC connector	JG11
Turbo LED	CN5	32-bit VESA local bus slots	SL1 – SL3
Green PC connector	JG6

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Battery type select internal	BATT	Pins 2 & 3 closed
	Battery type select external	BATT	Open
	CMOS memory clear	BATT	Pins 3 & 4 closed
»	Factory configured - do not alter	JX1	Unidentified

SIMM 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) 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
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
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	None

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
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
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
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) 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) 1M x 36	(1) 4M x 36	(1) 4M x 36	None
40MB	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	None
52MB	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 4M 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	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JS1	JS2	JS3	JS4
64KB	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
128KB	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
256KB	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 2 & 3 closed

CPU SPEED SELECTION
Speed	JF1	JF2	JF3	JC10	JC11	JC13
25MHz	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2
33MHz	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
40MHz	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
50iMHz	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2
50MHz	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
66iMHz	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
75iMHz	2 & 3	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2
100iMHz	2 & 3	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION
Type	JC1	JC2	JC3	JC4	JC5	JC6
CX486	Open	1 & 2	Open	2 & 3	2 & 3	2 & 3
80486SX	Closed	1 & 2	Open	1 & 2	Open	2 & 3
SL80486SX	Closed	1 & 2	Open	1 & 2	Open	2 & 3
CX486S	Open	1 & 2	Open	2 & 3	2 & 3	2 & 3
CX486DX	Open	1 & 2	2 & 3	2 & 3	2 & 3	1 & 2, 3 & 4
AM486DXL	Closed	1 & 2	2 & 3	1 & 2	Open	1 & 2, 3 & 4
80486DX	Closed	1 & 2	2 & 3	1 & 2	Open	1 & 2, 3 & 4
SL80486DX	Closed	1 & 2	2 & 3	1 & 2	Open	1 & 2, 3 & 4
CX486DX2	Open	1 & 2	2 & 3	2 & 3	2 & 3	1 & 2, 3 & 4
80486DX2	Closed	1 & 2	2 & 3	1 & 2	Open	1 & 2, 3 & 4
SL80486DX2	Closed	1 & 2	2 & 3	1 & 2	Open	1 & 2, 3 & 4
P24C	Closed	1 & 2	2 & 3	1 & 2	Open	1 & 2, 3 & 4
P24T	Closed	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2, 3 & 4
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JC7	JC8	JC9	JC20	JX2	JX4
CX486	2 & 3	Open	2 & 3	Open	Closed	Closed
80486SX	Open	Open	Open	Open	Closed	Closed
SL80486SX	Open	Open	Open	Closed	Closed	Closed
CX486S	2 & 3	Open	2 & 3	Open	Closed	Closed
CX486DX	Open	Open	2 & 3	Open	Closed	Closed
AM486DXL	Open	Open	Open	Open	Closed	Closed
80486DX	Open	Open	Open	Open	Closed	Closed
SL80486DX	Open	Open	Open	Closed	Closed	Closed
CX486DX2	Open	Open	2 & 3	Open	Closed	Closed
80486DX2	Open	Open	Open	Open	Closed	Closed
SL80486DX2	Open	Open	Open	Closed	Closed	Closed
P24C	Open	Open	Open	Open	Open	Open
P24T	Open	2 & 3	Open	Open	Closed	Closed
Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (P24C ONLY)
Multiplier	JX3
2x	Pins 2 & 3 closed
3x	Pins 1 & 2 closed

CPU SELECTION
Type	JC12	JC21	JC22	JG2	JG3
AMD	1 & 2	Open	Open	1 & 2	1 & 2
AM486DXL	2 & 3	Open	Open	2 & 3	2 & 3
CX486DX2	1 & 2	Closed	Closed	1 & 2	1 & 2
CX486S	1 & 2	Closed	Closed	1 & 2	1 & 2
Cyrix	1 & 2	Open	Closed	1 & 2	1 & 2
Intel	1 & 2	Open	Open	2 & 3	2 & 3
Intel - S	1 & 2	Open	Open	2 & 3	2 & 3
P24C	1 & 2	Open	Open	1 & 2	1 & 2
P24T	1 & 2	Closed	Open	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SELECTION (CON’T)
Type	JG4	JG5	JG16	JG19	JG20
AMD	1 & 2	1 & 2	Open	Open	Open
AM486DXL	2 & 3	2 & 3	Open	Open	Open
CX486DX2	1 & 2	1 & 2	Open	Closed	1 & 2
CX486S	1 & 2	1 & 2	Open	Closed	1 & 2
Cyrix	1 & 2	1 & 2	Open	Closed	1 & 2
Intel	2 & 3	2 & 3	Open	Open	Open
Intel - S	2 & 3	2 & 3	Open	Open	2 & 3
P24C	1 & 2	Open	Closed	Open	Open
P24T	2 & 3	2 & 3	Open	Open	Open
Note: Pins designated should be in the closed position.

VL BUS SPEED SELECTION
Speed	J1
<= 33MHz	Open
>33 MHz	Closed