EPOX COMPUTER CO., LTD. EP-5BTXA-E Device Type Mainboard Processor CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/ AM K6/Pentium/Pentium MMX Processor 90/100/120/133/150/166/188/200/225/233/266/300/333MHz Speed Chip Set Intel Video Chip None Set Maximum 256MB (SDRAM supported) Onboard Memory Maximum Video None Memory Cache 512KB BIOS Award Dimensions 254mm x 218mm I/O Options 32-bit PCI slots (3), 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 USB connector CN1 Chassis fan power J3 Parallel port CN2 Power LED & keylock J4A Serial port 2 CN3 Speaker J4B Floppy drive interface CN4 Reset switch J4C Serial port 1 CN5 Green PC connector J4D IDE interface 2 CN6 Green PC LED J4E IDE interface 1 CN7 Turbo LED J4F PS/2 mouse interface J1 IDE interface LED J4G IR connector J2 32-bit PCI slots PC1 – PC3 Note: The location of J3 is unidentified. USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP1 Pins 1 & 2 closed CMOS memory clear JP1 Pins 2 & 3 closed 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) 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 512KB (1) 64K x 64 CPU SPEED SELECTION (CX 6X86L) CPU speed Clock speed Multiplier JP6 150MHz 60MHz 2.5x Pins 5 & 6 closed 166MHz 66MHz 2.5x Pins 7 & 8 closed 200MHz 75MHz 3x Pins 9 & 10 closed CPU SPEED SELECTION (IBM 6X86L) CPU speed Clock speed Multiplier JP6 150MHz 60MHz 2.5x Pins 5 & 6 closed 166MHz 66MHz 2.5x Pins 7 & 8 closed 200MHz 75MHz 3x Pins 9 & 10 closed CPU SPEED SELECTION (CX 6X86MX) CPU speed Clock speed Multiplier JP6 166MHz 66MHz 2x Pins 7 & 8 closed 166MHz 60MHz 2.5x Pins 11 & 12 closed 200MHz 75MHz 2x Pins 9 & 10 closed 200MHz 66MHz 2.5x Pins 13 & 14 closed 233MHz 75MHz 2.5x Pins 15 & 16 closed 233MHz 66MHz 3x Pins 17 & 18 closed 266MHz 75MHz 3x Pins 19 & 20 closed 266MHz 66MHz 3.5x Pins 21 & 22 closed CPU SPEED SELECTION (IBM 6X86MX) CPU speed Clock speed Multiplier JP6 166MHz 66MHz 2x Pins 7 & 8 closed 166MHz 60MHz 2.5x Pins 11 & 12 closed 200MHz 75MHz 2x Pins 9 & 10 closed 200MHz 66MHz 2.5x Pins 13 & 14 closed 233MHz 75MHz 2.5x Pins 15 & 16 closed 233MHz 66MHz 3x Pins 17 & 18 closed 266MHz 75MHz 3x Pins 19 & 20 closed 266MHz 66MHz 3.5x Pins 21 & 22 closed CPU SPEED SELECTION (AM K5) CPU speed Clock speed Multiplier JP6 90MHz 60MHz 1.5x Pins 1 & 2 closed 100MHz 66MHz 1.5x Pins 3 & 4 closed 120MHz 60MHz 2x Pins 5 & 6 closed 133MHz 66MHz 2x Pins 7 & 8 closed 150MHz 60MHz 2.5x Pins 11 & 12 closed 166MHz 66MHz 2.5x Pins 13 & 14 closed 188MHz 75MHz 2.5x Pins 15 & 16 closed 200MHz 66MHz 3x Pins 17 & 18 closed CPU SPEED SELECTION (AM K6) CPU speed Clock speed Multiplier JP6 166MHz 66MHz 2.5x Pins 13 & 14 closed 200MHz 66MHz 3x Pins 17 & 18 closed 233MHz 66MHz 3.5x Pins 21 & 22 closed 266MHz 66MHz 4x Pins 23 & 24 closed 300MHz 66MHz 4.5x Pins 25 & 26 closed 333MHz 66MHz 5x Pins 27 & 28 closed CPU SPEED SELECTION (INTEL) CPU speed Clock speed Multiplier JP6 90MHz 60MHz 1.5x Pins 1 & 2 closed 100MHz 66MHz 1.5x Pins 3 & 4 closed 120MHz 60MHz 2x Pins 5 & 6 closed 133MHz 66MHz 2x Pins 7 & 8 closed 150MHz 60MHz 2.5x Pins 11 & 12 closed 166MHz 66MHz 2.5x Pins 13 & 14 closed 188MHz 75MHz 2.5x Pins 15 & 16 closed 200MHz 66MHz 3x Pins 17 & 18 closed CPU SPEED SELECTION (INTEL MMX) CPU speed Clock speed Multiplier JP6 166MHz 66MHz 2.5x Pins 13 & 14 closed 200MHz 66MHz 3x Pins 17 & 18 closed 233MHz 66MHz 3.5x Pins 21 & 22 closed 266MHz 66MHz 4x Pins 23 & 24 closed 300MHz 66MHz 4.5x Pins 25 & 26 closed 333MHz 66MHz 5x Pins 27 & 28 closed CPU VOLTAGE SELECTION Voltage JP6 2.0v Pins 1 & 6 closed 2.1v Pins 5 & 10 closed » 2.8v Pins 2 & 7 closed 2.9v Pins 3 & 8 closed 3.2v Pins 4 & 9 closed