ELITEGROUP COMPUTER SYSTEMS, INC. P5TX-A Processor CX M1/AM K5/Pentium Processor Speed 90/100/120/133/150/166/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video Memory None Cache 256/512KB BIOS Award Dimensions 324mm x 187mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector, ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Green PC LED J10 pins 6 - connector 8 PS/2 mouse port J2 Reset switch J10 pins 9 & 10 Serial port 1 J3 Keylock J10 pins 11 & 12 Serial port 2 J4 Speaker J10 pins 13 - 16 Parallel port J6 IDE interface LED J10 pins 17 & 18 Floppy drive J7 Power on switch J10 pins 19 & interface 20 IDE interface 2 J8 USB connector J11 IDE interface 1 J9 IR connector J13 Power LED J10 pins 1 - Chassis fan power J14 3 Green PC connector J10 pins 4 & 32-bit PCI slots PC1 – PC4 5 Note: On some models, J13 may be labeled as J12. J12 will be a 5-pin IR connector. USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP2 Pins 2 & 3 closed CMOS memory clear JP2 Pins 1 & 2 closed DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (1) 1M x 64 None None 16MB (1) 1M x 64 (1) 1M x 64 None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 16MB (1) 2M x 64 None None 32MB (1) 2M x 64 (1) 2M x 64 None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 32MB (1) 4M x 64 None None 64MB (1) 4M x 64 (1) 4M x 64 None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 64MB (1) 8M x 64 None None 128MB (1) 8M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 128MB (1) 16M x 64 None None 256MB (1) 16M x 64 (1) 16M x 64 None Note: Board accepts EDO memory. DIMM VOLTAGE CONFIGURATION Voltage JP5 » 3.3v Pins 1 & 2, 4 & 5, 7 & 8 closed 5v Pins 2 & 3, 5 & 6, 8 & 9 closed 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 133MHz 55MHz 2x 1 & 3, 4 & 6, 11 & 13, 17 & 19, 20 & 22 150MHz 60MHz 2x 1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20 166MHz 66MHz 2x 1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20 200MHz 75MHz 2x 1 & 3, 4 & 6, 9 & 11, 17 & 19, 20 & 22 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU speed Clock speed Multiplier JP1 90MHz 60MHz 1.5x 1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20 100MHz 66MHz 1.5x 1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20 120MHz 60MHz 2x 1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20 133MHz 66MHz 2x 1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20 166MHz 66MHz 2.5x 3 & 5, 4 & 6, 9 & 11, 17 & 19, 18 & 20 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU speed Clock speed Multiplier JP1 90MHz 60MHz 1.5x 1 & 3, 2 & 4, 11 & 13, 17 & 19, 18 & 20 100MHz 66MHz 1.5x 1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20 120MHz 60MHz 2x 1 & 3, 4 & 6, 11 & 13, 17 & 19, 18 & 20 133MHz 66MHz 2x 1 & 3, 4 & 6, 9 & 11, 17 & 19, 18 & 20 150MHz 60MHz 2.5x 3 & 5, 4 & 6, 11 & 13, 17 & 19, 18 & 20 166MHz 66MHz 2.5x 3 & 5, 4 & 6, 9 & 11, 17 & 19, 18 & 20 200MHz 66MHz 3x 2 & 4, 3 & 5, 9 & 11, 17 & 19, 18 & 20 233MHz 66MHz 3.5x 1 & 3, 2 & 4, 9 & 11, 17 & 19, 18 & 20 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (SINGLE) Voltage JP3 » 3.52v Pins 3 & 4 closed CPU VOLTAGE SELECTION (DUAL) Voltage V core JP3 JP4 3.3v 2.5v Pins 1 & 2 Pins 1 & 2 closed closed » 3.3v 2.8v Pins 1 & 2 Pins 3 & 4 closed closed 3.3v 2.9v Pins 1 & 2 Pins 5 & 6 closed closed 3.3v 3.3v Pins 1 & 2 Pins 9 & 10 closed closed