P5VX-A (VER 1.1 PCB 1.0) Motherboard Settings and Configuration

ELITEGROUP COMPUTER SYSTEMS, INC.

P5VX-A (VER 1.1 PCB 1.0)

Processor
Pentium
Processor Speed
75/90/100/120/133/150/166/200MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
Unidentified
Dimensions
330mm x 218mm
I/O Options
32-bit PCI slots (4), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connectors (2), USB connectors (2), ATX power connector, microphone port, line in port, line out port, wavetable connector, modem/phone speaker connector, soft off power supply
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
ATX power connector
ATX
Reset switch
J12 pins 9 & 10
Game port
CN1
Power LED & keylock
J12 pins 11 - 15
Microphone port
CN2
Speaker
J12 pins 17 - 20
Line in port
CN3
IDE interface LED
J13
Line out port
CN4
IR connector (fast)
J15
Serial port 1
CN5
IR connector
J17
Serial port 2
CN6
Green PC LED
J18
Parallel port
CN7
Chassis fan power
J20
USB connectors
CN8
CD-ROM connector
J28
PS/2 mouse port
CN9
Volume control connector
J29
Floppy drive interface
J9
Wavetable connector
J35
IDE interface 1
J10
Modem/phone speaker connector
J36
IDE interface 2
J11
Soft off power supply
J37
Power on LED
J12 pins 2 & 3
32-bit PCI slots
PC1 - PC4
Green PC connector
J12 pins 4 & 5
Cache slot
SL1

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Flash BIOS voltage select 5v
JP8
Pins 2 & 3 closed

Flash BIOS voltage select 12v
JP8
Pins 1 & 2 closed
»
CMOS memory normal operation
JP13
Open

CMOS memory clear
JP13
Closed
»
Super I/O enabled
JP15
Pins 1 & 2 closed

Super I/O disabled
JP15
Pins 2 & 3 closed
»
3D sound enabled
JP21
Closed

3D sound disabled
JP21
Open

DIMM/DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
8MB
(2) 1M x 36
None
None
8MB
None
None
(1) 1M x 64
16MB
(2) 2M x 36
None
None
16MB
(2) 1M x 36
(2) 1M x 36
None
16MB
None
None
(1) 2M x 64
16MB
(2) 1M x 36
None
(1) 1M x 64
24MB
(2) 2M x 36
(2) 1M x 36
None
24MB
(2) 2M x 36
None
(1) 1M x 64
24MB
(2) 1M x 36
None
(1) 2M x 64
32MB
(2) 4M x 36
None
None
32MB
(2) 2M x 36
(2) 2M x 36
None
32MB
None
None
(1) 4M x 64
32MB
(2) 2M x 36
None
(1) 2M x 64

DIMM/DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
40MB
(2) 4M x 36
(2) 1M x 36
None
40MB
(2) 4M x 36
None
(1) 1M x 64
40MB
(2) 1M x 36
None
(1) 4M x 64
48MB
(2) 4M x 36
(2) 2M x 36
None
48MB
(2) 4M x 36
None
(1) 2M x 64
48MB
(2) 2M x 36
None
(1) 4M x 64
64MB
(2) 8M x 36
None
None
64MB
(2) 4M x 36
(2) 4M x 36
None
64MB
None
None
(1) 8M x 64
64MB
(2) 4M x 36
None
(1) 4M x 64
72MB
(2) 8M x 36
(2) 1M x 36
None
72MB
(2) 8M x 36
None
(1) 1M x 64
72MB
(2) 1M x 36
None
(1) 8M x 64
80MB
(2) 8M x 36
(2) 2M x 36
None
80MB
(2) 8M x 36
None
(1) 2M x 64
80MB
(2) 2M x 36
None
(1) 8M x 64
96MB
(2) 8M x 36
(2) 4M x 36
None
96MB
(2) 4M x 36
None
(1) 8M x 64
96MB
(2) 8M x 36
None
(1) 4M x 64
128MB
(2) 8M x 36
(2) 8M x 36
None
128MB
(2) 8M x 36
None
(1) 8M x 64
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size
SL1
256KB
256KB module installed
512KB
512KB module installed

CPU SPEED SELECTION
CPU speed
Clock speed
Multiplier
JP3
JP11
JP12
75MHz (P54C)
50MHz
1.5x
Open
1 & 2
1 & 2
90MHz (P54C)
60MHz
1.5x
1 & 2
1 & 2
1 & 2
100MHz (P54C)
66MHz
1.5x
3 & 4
1 & 2
1 & 2
120MHz (P54C)
60MHz
2x
1 & 2
1 & 2
2 & 3
133MHz (P54C)
66MHz
2x
3 & 4
1 & 2
2 & 3
150MHz (P54C)
60MHz
2.5x
1 & 2
2 & 3
2 & 3
150MHz (P55C)
60MHz
2.5x
1 & 2
2 & 3
2 & 3
166MHz (P54C)
66MHz
2.5x
3 & 4
2 & 3
2 & 3
166MHz (P55C)
66MHz
2.5x
3 & 4
2 & 3
1 & 2
200MHz (P54C)
66MHz
3x
3 & 4
2 & 3
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON’T)
CPU speed
Clock speed
Multiplier
JP16
JP17
JP18
75MHz (P54C)
50MHz
1.5x
1 & 2
1 & 2
1 & 2
90MHz (P54C)
60MHz
1.5x
1 & 2
1 & 2
1 & 2
100MHz (P54C)
66MHz
1.5x
1 & 2
1 & 2
1 & 2
120MHz (P54C)
60MHz
2x
1 & 2
1 & 2
1 & 2
133MHz (P54C)
66MHz
2x
1 & 2
1 & 2
1 & 2
150MHz (P54C)
60MHz
2.5x
1 & 2
1 & 2
1 & 2
150MHz (P55C)
60MHz
2.5x
2 & 3
2 & 3
2 & 3
166MHz (P54C)
66MHz
2.5x
1 & 2
1 & 2
1 & 2
166MHz (P55C)
66MHz
2.5x
2 & 3
2 & 3
2 & 3
200MHz (P54C)
66MHz
3x
1 & 2
1 & 2
1 & 2
Note: Pins designated should be in the closed position. JP16, JP17 & JP18 may not be present on all boards. The location is unidentified.

CPU VOLTAGE SELECTION (P54C)
Voltage
JP10

3.3v
Pins 1 & 2 closed
»
3.525v
Pins 3 & 4 closed

CPU VOLTAGE SELECTION (P55C)
Voltage
JP20
2.5V
Pins 1 & 2 closed
2.8V
Pins 3 & 4 closed

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P5VX-A (VER 1.1 PCB 1.0) Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/90/100/120/133/150/166/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	32-bit PCI slots (4), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connectors (2), USB connectors (2), ATX power connector, microphone port, line in port, line out port, wavetable connector, modem/phone speaker connector, soft off power supply
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
ATX power connector	ATX	Reset switch	J12 pins 9 & 10
Game port	CN1	Power LED & keylock	J12 pins 11 - 15
Microphone port	CN2	Speaker	J12 pins 17 - 20
Line in port	CN3	IDE interface LED	J13
Line out port	CN4	IR connector (fast)	J15
Serial port 1	CN5	IR connector	J17
Serial port 2	CN6	Green PC LED	J18
Parallel port	CN7	Chassis fan power	J20
USB connectors	CN8	CD-ROM connector	J28
PS/2 mouse port	CN9	Volume control connector	J29
Floppy drive interface	J9	Wavetable connector	J35
IDE interface 1	J10	Modem/phone speaker connector	J36
IDE interface 2	J11	Soft off power supply	J37
Power on LED	J12 pins 2 & 3	32-bit PCI slots	PC1 - PC4
Green PC connector	J12 pins 4 & 5	Cache slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Flash BIOS voltage select 5v	JP8	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	JP8	Pins 1 & 2 closed
»	CMOS memory normal operation	JP13	Open
	CMOS memory clear	JP13	Closed
»	Super I/O enabled	JP15	Pins 1 & 2 closed
	Super I/O disabled	JP15	Pins 2 & 3 closed
»	3D sound enabled	JP21	Closed
	3D sound disabled	JP21	Open

DIMM/DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2
8MB	(2) 1M x 36	None	None
8MB	None	None	(1) 1M x 64
16MB	(2) 2M x 36	None	None
16MB	(2) 1M x 36	(2) 1M x 36	None
16MB	None	None	(1) 2M x 64
16MB	(2) 1M x 36	None	(1) 1M x 64
24MB	(2) 2M x 36	(2) 1M x 36	None
24MB	(2) 2M x 36	None	(1) 1M x 64
24MB	(2) 1M x 36	None	(1) 2M x 64
32MB	(2) 4M x 36	None	None
32MB	(2) 2M x 36	(2) 2M x 36	None
32MB	None	None	(1) 4M x 64
32MB	(2) 2M x 36	None	(1) 2M x 64

DIMM/DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2
40MB	(2) 4M x 36	(2) 1M x 36	None
40MB	(2) 4M x 36	None	(1) 1M x 64
40MB	(2) 1M x 36	None	(1) 4M x 64
48MB	(2) 4M x 36	(2) 2M x 36	None
48MB	(2) 4M x 36	None	(1) 2M x 64
48MB	(2) 2M x 36	None	(1) 4M x 64
64MB	(2) 8M x 36	None	None
64MB	(2) 4M x 36	(2) 4M x 36	None
64MB	None	None	(1) 8M x 64
64MB	(2) 4M x 36	None	(1) 4M x 64
72MB	(2) 8M x 36	(2) 1M x 36	None
72MB	(2) 8M x 36	None	(1) 1M x 64
72MB	(2) 1M x 36	None	(1) 8M x 64
80MB	(2) 8M x 36	(2) 2M x 36	None
80MB	(2) 8M x 36	None	(1) 2M x 64
80MB	(2) 2M x 36	None	(1) 8M x 64
96MB	(2) 8M x 36	(2) 4M x 36	None
96MB	(2) 4M x 36	None	(1) 8M x 64
96MB	(2) 8M x 36	None	(1) 4M x 64
128MB	(2) 8M x 36	(2) 8M x 36	None
128MB	(2) 8M x 36	None	(1) 8M x 64
Note: Board accepts EDO memory.

CACHE CONFIGURATION
Size	SL1
256KB	256KB module installed
512KB	512KB module installed

CPU SPEED SELECTION
CPU speed	Clock speed	Multiplier	JP3	JP11	JP12
75MHz (P54C)	50MHz	1.5x	Open	1 & 2	1 & 2
90MHz (P54C)	60MHz	1.5x	1 & 2	1 & 2	1 & 2
100MHz (P54C)	66MHz	1.5x	3 & 4	1 & 2	1 & 2
120MHz (P54C)	60MHz	2x	1 & 2	1 & 2	2 & 3
133MHz (P54C)	66MHz	2x	3 & 4	1 & 2	2 & 3
150MHz (P54C)	60MHz	2.5x	1 & 2	2 & 3	2 & 3
150MHz (P55C)	60MHz	2.5x	1 & 2	2 & 3	2 & 3
166MHz (P54C)	66MHz	2.5x	3 & 4	2 & 3	2 & 3
166MHz (P55C)	66MHz	2.5x	3 & 4	2 & 3	1 & 2
200MHz (P54C)	66MHz	3x	3 & 4	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON’T)
CPU speed	Clock speed	Multiplier	JP16	JP17	JP18
75MHz (P54C)	50MHz	1.5x	1 & 2	1 & 2	1 & 2
90MHz (P54C)	60MHz	1.5x	1 & 2	1 & 2	1 & 2
100MHz (P54C)	66MHz	1.5x	1 & 2	1 & 2	1 & 2
120MHz (P54C)	60MHz	2x	1 & 2	1 & 2	1 & 2
133MHz (P54C)	66MHz	2x	1 & 2	1 & 2	1 & 2
150MHz (P54C)	60MHz	2.5x	1 & 2	1 & 2	1 & 2
150MHz (P55C)	60MHz	2.5x	2 & 3	2 & 3	2 & 3
166MHz (P54C)	66MHz	2.5x	1 & 2	1 & 2	1 & 2
166MHz (P55C)	66MHz	2.5x	2 & 3	2 & 3	2 & 3
200MHz (P54C)	66MHz	3x	1 & 2	1 & 2	1 & 2
Note: Pins designated should be in the closed position. JP16, JP17 & JP18 may not be present on all boards. The location is unidentified.

CPU VOLTAGE SELECTION (P54C)
Voltage		JP10
	3.3v	Pins 1 & 2 closed
»	3.525v	Pins 3 & 4 closed

CPU VOLTAGE SELECTION (P55C)
Voltage	JP20
2.5V	Pins 1 & 2 closed
2.8V	Pins 3 & 4 closed