EFA CORPORATION P5TX-AT Processor CX M1/AM K5/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video Memory None Cache 256/512KB BIOS Award Dimensions 250mm x 220mm 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), cache slot, IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Speaker J18/pins 1, 3, 5, 7 Serial port 1 CN2 Power LED & J18/pins 2, 4, keylock 6, 8, 10 Parallel port CN3 Turbo LED J18/pins 11 & 12 Floppy drive CN4 Green PC J18/pins 13 & interface connector 14 IDE interface 2 CN5 IDE interface J18/pins 15 & LED 16 IDE interface 1 CN6 Reset switch J18/pins 17 & 18 USB connector J2 Green PC LED J18/pins 19 & 20 PS/2 mouse port J3 32-bit PCI slots PC1 – PC4 IR connector J9 Cache slot SL1 External battery J10 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP15 Pins 1 & 2 closed CMOS memory clear JP15 Pins 2 & 3 closed DRAM 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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. Board also accepts x 32 SIMMs. Memory installed in Banks 1 & 2 is interchangeable. DIMM CONFIGURATION Size Bank 0 Bank 1 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 CACHE CONFIGURATION Size Bank 0 SL1 256KB (2) 32K x 32 Not installed 512KB (2) 32K x 32 256KB module installed CACHE JUMPER CONFIGURATION Size JP14 256KB Pins 1 & 2 closed 512KB Pins 2 & 3 closed CPU SPEED SELECTION (CX M1) CPU Clock Multiplier JP2 JP3 JP4 JP9 JP10 speed speed 120MHz 50MHz 2x 1 & 2 & 1 & 2 & 1 & 2 2 3 2 3 133MHz 60MHz 2x 2 & 2 & 1 & 2 & 1 & 2 3 3 2 3 150MHz 66MHz 2x 1 & 2 & 2 & 2 & 1 & 2 2 3 3 3 166MHz 60MHz 2x 2 & 2 & 2 & 2 & 1 & 2 3 3 3 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP2 JP3 JP4 JP9 JP10 speed speed 75MHz 50MHz 1.5x 1 & 2 & 1 & 1 & 1 & 2 2 3 2 2 90MHz 60MHz 1.5x 1 & 2 & 2 & 1 & 1 & 2 2 3 3 2 100MHz 66MHz 1.5x 2 & 2 & 2 & 1 & 1 & 2 3 3 3 2 120MHz 60MHz 1.5x 1 & 2 & 2 & 1 & 1 & 2 2 3 3 2 133MHz 66MHz 1.5x 2 & 2 & 2 & 1 & 1 & 2 3 3 3 2 150MHz 60MHz 1.75x 1 & 2 & 2 & 2 & 2 & 3 2 3 3 3 166MHz 66MHz 1.75x 2 & 2 & 2 & 2 & 2 & 3 3 3 3 3 200MHz 66MHz 2x 2 & 2 & 2 & 1 & 2 & 3 3 3 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP2 JP3 JP4 JP9 JP10 speed speed 75MHz 50MHz 1.5x 1 & 2 & 1 & 1 & 1 & 2 2 3 2 2 90MHz 60MHz 1.5x 1 & 2 & 2 & 1 & 1 & 2 2 3 3 2 100MHz 66MHz 1.5x 2 & 2 & 2 & 1 & 1 & 2 3 3 3 2 120MHz 60MHz 2x 1 & 2 & 2 & 2 & 1 & 2 2 3 3 3 133MHz 66MHz 2x 2 & 2 & 2 & 2 & 1 & 2 3 3 3 3 150MHz 60MHz 2.5x 1 & 2 & 2 & 2 & 2 & 3 2 3 3 3 166MHz 66MHz 2.5x 2 & 2 & 2 & 2 & 2 & 3 3 3 3 3 200MHz 66MHz 3x 2 & 2 & 2 & 1 & 2 & 3 3 3 3 2 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP6 JP7 2.5v Pins 1 & 2 closed Pins 1 & 3, 2 & 4 closed 2.8v Pins 3 & 4 closed Pins 1 & 3, 2 & 4 closed 3.3v Pins 2 & 4 closed Pins 3 & 5, 4 & 6 closed 3.52v Pins 5 & 6 closed Pins 3 & 5, 4 & 6 closed