J-656VXDP Motherboard Settings and Configuration

J-MARK COMPUTER CORPORATION

J-656VXDP

Processor
CX 6X86/AM K5/AM K6/Pentium
Processor Speed
75/90/100/120/133/150/166/200/233MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
512MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
IR connector
C1
Serial port 2
J2
IDE interface LED
C2
Serial port 1
J3
Reset switch
C3
IDE interface 2
J4
Speaker
C4
IDE interface 1
J5
Power LED & keylock
C5
Floppy drive interface
J6
Green PC connector
C6
Parallel port
J7
Turbo LED
C7
USB connector
JP1
Turbo switch
C8
USB connector
JP2
PS/2 mouse interface
J1
32-bit PCI slots
PC1 – PC3

USER CONFIGURABLE SETTINGS
Function
Label
Position

Flash BIOS voltage select 12v
JP4
Pins 2 & 3 closed

Flash BIOS voltage select 5v
JP4
Pins 1 & 2 closed
»
CMOS memory normal operation
JP5
Open

CMOS memory clear
JP5
Closed

SIMM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
16MB
(2) 2M x 36
None
16MB
(2) 1M x 36
(2) 1M x 36
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 4M x 36
None
32MB
(2) 2M x 36
(2) 2M x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 4M x 36
(2) 2M x 36
64MB
(2) 8M x 36
None
64MB
(2) 4M x 36
(2) 4M x 36
72MB
(2) 8M x 36
(2) 1M x 36
80MB
(2) 8M x 36
(2) 2M x 36
96MB
(2) 8M x 36
(2) 4M x 36
128MB
(2) 8M x 36
(2) 8M x 36
128MB
(2) 16M x 36
None
136MB
(2) 16M x 36
(2) 1M x 36
144MB
(2) 16M x 36
(2) 2M x 36
160MB
(2) 16M x 36
(2) 4M x 36
192MB
(2) 16M x 36
(2) 8M x 36
256MB
(2) 16M x 36
(2) 16M x 36
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size
Bank 0
Bank 1
32MB
(1) 2M x 64
(1) 2M x 64
48MB
(1) 4M x 64
(1) 2M x 64
64MB
(1) 4M x 64
(1) 4M x 64

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB
(2) 32K x 32
(1) 32K x 8
512KB
(2) 64K x 32
(1) 32K x 8

CPU SPEED SELECTION (CX 6X86)
CPU speed
Clock speed
Multiplier
BF0
BF1
FS0
FS1
FS2
120MHz
50MHz
2x
2 & 3
1 & 2
Closed
Closed
Closed
133MHz
55MHz
2x
2 & 3
1 & 2
Closed
Closed
Open
150MHz
60MHz
2x
2 & 3
1 & 2
Open
Closed
Closed
166MHz
66MHz
2x
2 & 3
1 & 2
Closed
Open
Closed
200MHz
75MHz
3x
2 & 3
1 & 2
Open
Closed
Open

CPU SPEED SELECTION (AM K5)
CPU speed
Clock speed
Multiplier
BF0
BF1
FS0
FS1
FS2
90MHz
60MHz
1.5x
1 & 2
1 & 2
Open
Closed
Closed
100MHz
66MHz
1.5x
1 & 2
1 & 2
Closed
Open
Closed
133MHz
66MHz
1.5x
1 & 2
1 & 2
Closed
Open
Closed
166MHz
66MHz
2.5x
2 & 3
2 & 3
Closed
Open
Closed

CPU SPEED SELECTION (AM K6)
CPU speed
Clock speed
Multiplier
BF0
BF1
FS0
FS1
FS2
166MHz
66MHz
2.5x
2 & 3
2 & 3
Closed
Open
Closed
200MHz
66MHz
3x
1 & 2
2 & 3
Closed
Open
Closed
233MHz
66MHz
3.5x
1 & 2
1 & 2
Closed
Open
Closed

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
BF0
BF1
FS0
FS1
FS2
75MHz
50MHz
1.5x
1 & 2
1 & 2
Closed
Closed
Closed
90MHz
60MHz
1.5x
1 & 2
1 & 2
Open
Closed
Closed
100MHz
66MHz
1.5x
1 & 2
1 & 2
Closed
Open
Closed
120MHz
60MHz
2x
2 & 3
1 & 2
Open
Closed
Closed
133MHz
66MHz
2x
2 & 3
1 & 2
Closed
Open
Closed
150MHz
60MHz
2.5x
2 & 3
2 & 3
Open
Closed
Closed
166MHz
66MHz
2.5x
2 & 3
2 & 3
Closed
Open
Closed
200MHz
66MHz
3x
1 & 2
2 & 3
Closed
Open
Closed
233MHz
66MHz
3.5x
1 & 2
1 & 2
Closed
Open
Closed

CPU VOLTAGE SELECTION
Voltage
V core
JP11
JP12
3.3v
2.8v
Pins 1 & 2 closed
Pins 1 & 2 closed
3.3v
3.3v
Pins 2 & 3 closed
Pins 1 & 2 closed
3.3v
3.45v
Pins 4 & 5 closed
Pins 1 & 2 closed
3.3v
3.52v
Pins 5 & 6 closed
Pins 1 & 2 closed
3.52v
2.8v
Pins 1 & 2 closed
Pins 2 & 3 closed
3.52v
3.3v
Pins 2 & 3 closed
Pins 2 & 3 closed
3.52v
3.45v
Pins 4 & 5 closed
Pins 2 & 3 closed
3.52v
3.52v
Pins 5 & 6 closed
Pins 2 & 3 closed

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J-656VXDP Motherboard Settings and Configuration

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Processor	CX 6X86/AM K5/AM K6/Pentium
Processor Speed	75/90/100/120/133/150/166/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	512MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IR connector	C1	Serial port 2	J2
IDE interface LED	C2	Serial port 1	J3
Reset switch	C3	IDE interface 2	J4
Speaker	C4	IDE interface 1	J5
Power LED & keylock	C5	Floppy drive interface	J6
Green PC connector	C6	Parallel port	J7
Turbo LED	C7	USB connector	JP1
Turbo switch	C8	USB connector	JP2
PS/2 mouse interface	J1	32-bit PCI slots	PC1 – PC3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Flash BIOS voltage select 12v	JP4	Pins 2 & 3 closed
	Flash BIOS voltage select 5v	JP4	Pins 1 & 2 closed
»	CMOS memory normal operation	JP5	Open
	CMOS memory clear	JP5	Closed

SIMM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
16MB	(2) 2M x 36	None
16MB	(2) 1M x 36	(2) 1M x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 4M x 36	None
32MB	(2) 2M x 36	(2) 2M x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 8M x 36	None
64MB	(2) 4M x 36	(2) 4M x 36
72MB	(2) 8M x 36	(2) 1M x 36
80MB	(2) 8M x 36	(2) 2M x 36
96MB	(2) 8M x 36	(2) 4M x 36
128MB	(2) 8M x 36	(2) 8M x 36
128MB	(2) 16M x 36	None
136MB	(2) 16M x 36	(2) 1M x 36
144MB	(2) 16M x 36	(2) 2M x 36
160MB	(2) 16M x 36	(2) 4M x 36
192MB	(2) 16M x 36	(2) 8M x 36
256MB	(2) 16M x 36	(2) 16M x 36
Note: Board accepts EDO memory.

DIMM CONFIGURATION
Size	Bank 0	Bank 1
32MB	(1) 2M x 64	(1) 2M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 4M x 64	(1) 4M x 64

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB	(2) 32K x 32	(1) 32K x 8
512KB	(2) 64K x 32	(1) 32K x 8

CPU SPEED SELECTION (CX 6X86)
CPU speed	Clock speed	Multiplier	BF0	BF1	FS0	FS1	FS2
120MHz	50MHz	2x	2 & 3	1 & 2	Closed	Closed	Closed
133MHz	55MHz	2x	2 & 3	1 & 2	Closed	Closed	Open
150MHz	60MHz	2x	2 & 3	1 & 2	Open	Closed	Closed
166MHz	66MHz	2x	2 & 3	1 & 2	Closed	Open	Closed
200MHz	75MHz	3x	2 & 3	1 & 2	Open	Closed	Open

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	BF0	BF1	FS0	FS1	FS2
90MHz	60MHz	1.5x	1 & 2	1 & 2	Open	Closed	Closed
100MHz	66MHz	1.5x	1 & 2	1 & 2	Closed	Open	Closed
133MHz	66MHz	1.5x	1 & 2	1 & 2	Closed	Open	Closed
166MHz	66MHz	2.5x	2 & 3	2 & 3	Closed	Open	Closed

CPU SPEED SELECTION (AM K6)
CPU speed	Clock speed	Multiplier	BF0	BF1	FS0	FS1	FS2
166MHz	66MHz	2.5x	2 & 3	2 & 3	Closed	Open	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	Closed	Open	Closed
233MHz	66MHz	3.5x	1 & 2	1 & 2	Closed	Open	Closed

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	BF0	BF1	FS0	FS1	FS2
75MHz	50MHz	1.5x	1 & 2	1 & 2	Closed	Closed	Closed
90MHz	60MHz	1.5x	1 & 2	1 & 2	Open	Closed	Closed
100MHz	66MHz	1.5x	1 & 2	1 & 2	Closed	Open	Closed
120MHz	60MHz	2x	2 & 3	1 & 2	Open	Closed	Closed
133MHz	66MHz	2x	2 & 3	1 & 2	Closed	Open	Closed
150MHz	60MHz	2.5x	2 & 3	2 & 3	Open	Closed	Closed
166MHz	66MHz	2.5x	2 & 3	2 & 3	Closed	Open	Closed
200MHz	66MHz	3x	1 & 2	2 & 3	Closed	Open	Closed
233MHz	66MHz	3.5x	1 & 2	1 & 2	Closed	Open	Closed

CPU VOLTAGE SELECTION
Voltage	V core	JP11	JP12
3.3v	2.8v	Pins 1 & 2 closed	Pins 1 & 2 closed
3.3v	3.3v	Pins 2 & 3 closed	Pins 1 & 2 closed
3.3v	3.45v	Pins 4 & 5 closed	Pins 1 & 2 closed
3.3v	3.52v	Pins 5 & 6 closed	Pins 1 & 2 closed
3.52v	2.8v	Pins 1 & 2 closed	Pins 2 & 3 closed
3.52v	3.3v	Pins 2 & 3 closed	Pins 2 & 3 closed
3.52v	3.45v	Pins 4 & 5 closed	Pins 2 & 3 closed
3.52v	3.52v	Pins 5 & 6 closed	Pins 2 & 3 closed