P5TX-B Motherboard Settings and Configuration

ELITEGROUP COMPUTER SYSTEMS, INC.

P5TX-B

Processor
AMD, Cyrix, Pentium
Processor Speed
75/90/100/120/133/150/166/200/233MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
256MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
Award
Dimensions
281mm x 208mm
I/O Options
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), IR connectors (2), USB connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
USB connector
J5
Turbo LED
J16/pins 2 & 3
IDE interface 2
J6
Green PC connector
J16/pins 4 & 5
IDE interface 1
J7
Reset switch
J16/pins 9 & 10
Serial port
J8
Power LED & keylock
J16/pins 11 - 15
Serial port
J9
Speaker
J16/pins 17 - 20
IR connector (Fast)
J10
Green PC LED
J18
IR connector
J11
IDE interface LED
J19
Parallel port
J12
Chassis fan power
J20
Floppy drive interface
J13
32-bit PCI slots
PC1 – PC4

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Factory configured - do not alter
J1
Unidentified
»
Factory configured - do not alter
J2
Unidentified
»
CMOS memory normal operation
JP2
Pins 2 & 3 closed

CMOS memory clear
JP2
Pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
4MB
(2) 512K x 32
None
8MB
(2) 512K x 32
(2) 512K x 32
8MB
(2) 1M x 32
None
12MB
(2) 1M x 32
(2) 512K x 32
16MB
(2) 2M x 32
None
16MB
(2) 1M x 32
(2) 1M x 32
20MB
(2) 2M x 32
(2) 512K x 32
24MB
(2) 2M x 32
(2) 1M x 32
32MB
(2) 4M x 32
None
32MB
(2) 2M x 32
(2) 2M x 32
36MB
(2) 4M x 32
(2) 512K x 32
40MB
(2) 4M x 32
(2) 1M x 32
48MB
(2) 4M x 32
(2) 2M x 32
64MB
(2) 8M x 32
None
64MB
(2) 4M x 32
(2) 4M x 32
68MB
(2) 8M x 32
(2) 512K x 32
72MB
(2) 8M x 32
(2) 1M x 32
80MB
(2) 8M x 32
(2) 2M x 32
96MB
(2) 8M x 32
(2) 4M x 32
128MB
(2) 8M x 32
(2) 8M x 32
128MB
(2) 16M x 32
None
132MB
(2) 16M x 32
(2) 512K x 32

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
136MB
(2) 16M x 32
(2) 1M x 32
144MB
(2) 16M x 32
(2) 2M x 32
160MB
(2) 16M x 32
(2) 4M x 32
192MB
(2) 16M x 32
(2) 8M x 32
256MB
(2) 16M x 32
(2) 16M x 32
Note: Board accepts EDO memory. The location of banks 0 & 1 are unidentified.

DIMM CONFIGURATION
Size
Bank 2
Bank 3
8MB
(1) 1M x 64
None
16MB
(1) 2M x 64
None
16MB
(1) 1M x 64
(1) 1M x 64
24MB
(1) 2M x 64
(1) 1M x 64
32MB
(1) 4M x 64
None
32MB
(1) 2M x 64
(1) 2M x 64
40MB
(1) 4M x 64
(1) 1M x 64
48MB
(1) 4M x 64
(1) 2M x 64
64MB
(1) 8M x 64
None
64MB
(1) 4M x 64
(1) 4M x 64
72MB
(1) 8M x 64
(1) 1M x 64
80MB
(1) 8M x 64
(1) 2M x 64
96MB
(1) 8M x 64
(1) 4M x 64
128MB
(1) 8M x 64
(1) 8M x 64
128MB
(1) 16M x 64
None
136MB
(1) 16M x 64
(1) 1M x 64
144MB
(1) 16M x 64
(1) 2M x 64
160MB
(1) 16M x 64
(1) 4M x 64
192MB
(1) 16M x 64
(1) 8M x 64
256MB
(1) 16M x 64
(1) 16M x 64
Note: The location of banks 2 & 3 are unidentified.

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

CPU SPEED SELECTION (CYRIX)
CPU speed
Clock speed
Multiplier
JP1
120MHz
50MHz
2x
1 & 3, 4 & 6, 11 & 13, 19 & 21, 20 & 22
133MHz
55MHz
2x
1 & 3, 4 & 6, 11 & 13, 17 & 19, 20 & 22
150MHz
60MHz
2x
1 & 3, 4 & 6, 9 & 11, 19 & 21, 20 & 22
166MHz
66MHz
2x
1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)
CPU speed
Clock speed
Multiplier
JP1
75MHz
50MHz
1.5x
1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22
90MHz
60MHz
1.5x
1 & 3, 2 & 4, 9 & 11, 19 & 21, 20 & 22
100MHz
66MHz
1.5x
1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20
120MHz
60MHz
2x
1 & 3, 4 & 6, 9 & 11, 19 & 21, 20 & 22
133MHz
66MHz
2x
1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20
166MHz
66MHz
2.5x
3 & 5, 4 & 6, 9 & 11, 19 & 21, 20 & 22
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
JP1
75MHz
50MHz
1.5x
1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22
90MHz
60MHz
1.5x
1 & 3, 2 & 4, 9 & 11, 19 & 21, 20 & 22
100MHz
66MHz
1.5x
1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20
120MHz
60MHz
2x
1 & 3, 4 & 6, 11 & 13, 19 & 21, 20 & 22
133MHz
66MHz
2x
1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20
150MHz
60MHz
2.5x
3 & 5, 4 & 6, 9 & 11, 19 & 21, 20 & 22
166MHz
66MHz
2.5x
3 & 5, 4 & 6, 11 & 13, 19 & 21, 18 & 20
200MHz
66MHz
3x
2 & 4, 3 & 5, 11 & 13, 19 & 21, 18 & 20
233MHz
66MHz
3.5x
1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage
JP3
3.3v
Pins 3 & 4, 9 & 10 closed
3.52v
Pins 1 & 2, 9 & 10 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage
V core
JP3
3.3v
2.5v
Pins 1 & 2, 11 & 12 closed
3.3v
2.8v
Pins 1 & 2, 9 & 10 closed
3.3v
2.9v
Pins 1 & 2, 7 & 8 closed

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P5TX-B Motherboard Settings and Configuration

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Processor	AMD, Cyrix, Pentium
Processor Speed	75/90/100/120/133/150/166/200/233MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	256MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	Award
Dimensions	281mm x 208mm
I/O Options	32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), IR connectors (2), USB connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
USB connector	J5	Turbo LED	J16/pins 2 & 3
IDE interface 2	J6	Green PC connector	J16/pins 4 & 5
IDE interface 1	J7	Reset switch	J16/pins 9 & 10
Serial port	J8	Power LED & keylock	J16/pins 11 - 15
Serial port	J9	Speaker	J16/pins 17 - 20
IR connector (Fast)	J10	Green PC LED	J18
IR connector	J11	IDE interface LED	J19
Parallel port	J12	Chassis fan power	J20
Floppy drive interface	J13	32-bit PCI slots	PC1 – PC4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Factory configured - do not alter	J1	Unidentified
»	Factory configured - do not alter	J2	Unidentified
»	CMOS memory normal operation	JP2	Pins 2 & 3 closed
	CMOS memory clear	JP2	Pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(2) 512K x 32	None
8MB	(2) 512K x 32	(2) 512K x 32
8MB	(2) 1M x 32	None
12MB	(2) 1M x 32	(2) 512K x 32
16MB	(2) 2M x 32	None
16MB	(2) 1M x 32	(2) 1M x 32
20MB	(2) 2M x 32	(2) 512K x 32
24MB	(2) 2M x 32	(2) 1M x 32
32MB	(2) 4M x 32	None
32MB	(2) 2M x 32	(2) 2M x 32
36MB	(2) 4M x 32	(2) 512K x 32
40MB	(2) 4M x 32	(2) 1M x 32
48MB	(2) 4M x 32	(2) 2M x 32
64MB	(2) 8M x 32	None
64MB	(2) 4M x 32	(2) 4M x 32
68MB	(2) 8M x 32	(2) 512K x 32
72MB	(2) 8M x 32	(2) 1M x 32
80MB	(2) 8M x 32	(2) 2M x 32
96MB	(2) 8M x 32	(2) 4M x 32
128MB	(2) 8M x 32	(2) 8M x 32
128MB	(2) 16M x 32	None
132MB	(2) 16M x 32	(2) 512K x 32

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
136MB	(2) 16M x 32	(2) 1M x 32
144MB	(2) 16M x 32	(2) 2M x 32
160MB	(2) 16M x 32	(2) 4M x 32
192MB	(2) 16M x 32	(2) 8M x 32
256MB	(2) 16M x 32	(2) 16M x 32
Note: Board accepts EDO memory. The location of banks 0 & 1 are unidentified.

DIMM CONFIGURATION
Size	Bank 2	Bank 3
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 8M x 64	(1) 8M x 64
128MB	(1) 16M x 64	None
136MB	(1) 16M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64
Note: The location of banks 2 & 3 are unidentified.

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

CPU SPEED SELECTION (CYRIX)
CPU speed	Clock speed	Multiplier	JP1
120MHz	50MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 21, 20 & 22
133MHz	55MHz	2x	1 & 3, 4 & 6, 11 & 13, 17 & 19, 20 & 22
150MHz	60MHz	2x	1 & 3, 4 & 6, 9 & 11, 19 & 21, 20 & 22
166MHz	66MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)
CPU speed	Clock speed	Multiplier	JP1
75MHz	50MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22
90MHz	60MHz	1.5x	1 & 3, 2 & 4, 9 & 11, 19 & 21, 20 & 22
100MHz	66MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20
120MHz	60MHz	2x	1 & 3, 4 & 6, 9 & 11, 19 & 21, 20 & 22
133MHz	66MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20
166MHz	66MHz	2.5x	3 & 5, 4 & 6, 9 & 11, 19 & 21, 20 & 22
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP1
75MHz	50MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 19 & 21, 20 & 22
90MHz	60MHz	1.5x	1 & 3, 2 & 4, 9 & 11, 19 & 21, 20 & 22
100MHz	66MHz	1.5x	1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20
120MHz	60MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 21, 20 & 22
133MHz	66MHz	2x	1 & 3, 4 & 6, 11 & 13, 19 & 21, 18 & 20
150MHz	60MHz	2.5x	3 & 5, 4 & 6, 9 & 11, 19 & 21, 20 & 22
166MHz	66MHz	2.5x	3 & 5, 4 & 6, 11 & 13, 19 & 21, 18 & 20
200MHz	66MHz	3x	2 & 4, 3 & 5, 11 & 13, 19 & 21, 18 & 20
233MHz	66MHz	3.5x	1 & 3, 2 & 4, 11 & 13, 19 & 21, 18 & 20
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP3
3.3v	Pins 3 & 4, 9 & 10 closed
3.52v	Pins 1 & 2, 9 & 10 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JP3
3.3v	2.5v	Pins 1 & 2, 11 & 12 closed
3.3v	2.8v	Pins 1 & 2, 9 & 10 closed
3.3v	2.9v	Pins 1 & 2, 7 & 8 closed