EFA CORPORATION E5TX-AT Device Type Mainboard Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX Processor Speed 75/90/100/120/133/150/166/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 230mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Speaker J11/pins 1/3/5/7 Serial port 1 CN2 Power LED & J11/pins keylock 2/4/6/8/10 Floppy drive CN3 Turbo LED J11/pins 11 & 12 interface Parallel port CN4 Green PC J11/pins 13 & 14 connector IDE interface 2 CN5 IDE interface J11/pins 15 & 16 LED IDE interface 1 CN6 Reset switch J11/pins 17 & 18 PS/2 mouse J1 Green PC LED J11/pins 19 & 20 interface IR connector J4 External battery J12 USB connector J10 32-bit PCI slots PC1 – PC4 USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not JP8 Unidentified alter » CMOS memory normal operation JP13 Pins 1 & 2 closed CMOS memory clear JP13 Pins 2 & 3 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 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) 16M x 64 None 128MB (1) 8M x 64 (1) 8M x 64 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: Board accepts SDRAM memory. CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 Unidentified 512KB (2) 64K x 32 Unidentified CPU SPEED SELECTION (CX 6X86) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 150MHz 60MHz 2x 1 & 1 & 2 & 1 & 2 & 3 2 2 3 2 166MHz 66MHz 2x 1 & 1 & 1 & 1 & 2 & 3 2 2 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 166MHz 66MHz 2x 1 & 1 & 1 & 1 & 2 & 3 2 2 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (CX 6X86MX) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 166MHz 60MHz 2.5x 1 & 1 & 2 & 2 & 2 & 3 2 2 3 3 166MHz 66MHz 2x 1 & 1 & 1 & 1 & 2 & 3 2 2 2 2 200MHz 66MHz 2.5x 1 & 1 & 1 & 2 & 2 & 3 2 2 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 90MHz 60MHz 1.5x 1 & 1 & 2 & 1 & 1 & 2 2 2 3 2 100MHz 66MHz 1.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 120MHz 60MHz 1.5x 1 & 1 & 2 & 1 & 1 & 2 2 2 3 2 133MHz 66MHz 1.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 150MHz 60MHz 2.5x 1 & 1 & 2 & 2 & 2 & 3 2 2 3 3 166MHz 66MHz 2.5x 1 & 1 & 1 & 2 & 2 & 3 2 2 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 166MHz 66MHz 2.5x 1 & 1 & 1 & 2 & 2 & 3 2 2 2 3 200MHz 66MHz 3x 1 & 1 & 1 & 2 & 1 & 2 2 2 2 3 233MHz 66MHz 3.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 90MHz 60MHz 1.5x 1 & 1 & 2 & 1 & 1 & 2 2 2 3 2 100MHz 66MHz 1.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 120MHz 60MHz 2x 1 & 1 & 2 & 1 & 2 & 3 2 2 3 2 133MHz 66MHz 2x 1 & 1 & 1 & 1 & 2 & 3 2 2 2 2 150MHz 60MHz 2.5x 1 & 1 & 2 & 2 & 2 & 3 2 2 3 3 166MHz 66MHz 2.5x 1 & 1 & 1 & 2 & 2 & 3 2 2 2 3 200MHz 66MHz 3x 1 & 1 & 1 & 2 & 1 & 2 2 2 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP1 JP2 JP3 JP6 JP7 speed speed 166MHz 66MHz 2.5x 1 & 1 & 1 & 2 & 2 & 3 2 2 2 3 200MHz 66MHz 3x 1 & 1 & 1 & 2 & 1 & 2 2 2 2 3 233MHz 66MHz 3.5x 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP9 JP10 JP11 JP12 2.0v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed 2.5v Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed closed 2.8v Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed closed 2.9v Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed closed 3.2v Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 3.3v Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 3.45v Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 3.52v Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed