EPOX COMPUTER CO., LTD. P55-BT Processor CX 6X86/CX 6X86L/IBM 6X86/IBM 6X86L//CX 6X86MX/AM K5/ AM K6/Pentium Processor Speed 90/100/120/133/150/166/180/200/225/233/266MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 512KB BIOS Award Dimensions 254mm x 218mm 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, VRM connector, USB connector, ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Soft off power JP9 connector supply USB connector CN1 PS/2 mouse JP13 interface Parallel port CN2 Power LED & JP14/pins 1 – 5 keylock Serial port 2 CN3 Speaker JP14/pins 7 - 10 Serial port 1 CN4 Reset switch JP14/pins 12 & 13 IDE interface 2 CN5 Green PC JP14/pins 15 & connector 16 IDE interface 1 CN6 Green PC LED JP14/pins 18 & 19 Floppy drive CN7 Turbo LED JP14/pins 20 & interface 21 IR connector J4 IDE interface LED JP14/pins 23 & 24 Chassis fan power JP1 32-bit PCI slots PC1 – PC4 USER CONFIGURABLE SETTINGS Function Label Position » Keyboard power on enabled JP2 Pins 1 & 2 closed Keyboard power on disabled JP2 Pins 2 & 3 closed » CMOS memory normal operation JP8 Pins 1 & 2 closed CMOS memory clear JP8 Pins 2 & 3 closed DIMM/SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB None None (2) 1M x 36 8MB None (1) 1M x 64 None 16MB None None (2) 2M x 36 16MB None (1) 2M x 64 None 16MB (1) 1M x 64 None (2) 1M x 36 16MB (1) 1M x 64 (1) 1M x 64 None 32MB None None (2) 4M x 36 32MB None (1) 4M x 64 None 32MB (1) 2M x 64 None (2) 2M x 36 32MB (1) 2M x 64 (1) 2M x 64 None 40MB (1) 1M x 64 None (2) 4M x 36 48MB (1) 4M x 64 None (2) 2M x 36 48MB (1) 2M x 64 None (2) 4M x 36 64MB None None (2) 8M x 36 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 None (2) 4M x 36 64MB (1) 4M x 64 (1) 4M x 64 None 72MB (1) 1M x 64 None (2) 8M x 36 80MB (1) 8M x 64 None (2) 2M x 36 80MB (1) 2M x 64 None (2) 8M x 36 96MB (1) 8M x 64 None (2) 4M x 36 96MB (1) 4M x 64 None (2) 8M x 36 DIMM/SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 128MB (1) 8M x 64 None (2) 8M x 36 128MB (1) 8M x 64 (1) 8M x 64 None 128MB None None (2) 16M x 36 144MB (1) 1M x 64 (1) 1M x 64 (2) 16M x 36 160MB (1) 2M x 64 (1) 2M x 64 (2) 16M x 36 192MB (1) 4M x 64 (1) 4M x 64 (2) 16M x 36 256MB (1) 8M x 64 (1) 8M x 64 (2) 16M x 36 Note: Board accepts EDO memory. DIMM VOLTAGE CONFIGURATION Voltage JP7 » 3.3v Pins 1 & 2, 3 & 4 closed 5v Pins 5 & 6, 7 & 8 closed CACHE CONFIGURATION Size Bank 0 TAG 512KB (2) 64K x 32 Unidentified Note: The location of the TAG is unidentified. CPU SPEED SELECTION (CX 6X86) CPU speed Clock speed Multiplier JP4 133MHz 66MHz 2x Pins 23 & 24 closed 150MHz 60MHz 2x Pins 5 & 6 closed 166MHz 66MHz 2x Pins 7 & 8 closed 200MHz 66MHz 2x Pins 25 & 26 closed CPU SPEED SELECTION (CX 6X86L) CPU speed Clock speed Multiplier JP4 133MHz 66MHz 2x Pins 23 & 24 closed 150MHz 60MHz 2x Pins 5 & 6 closed 166MHz 66MHz 2x Pins 7 & 8 closed 200MHz 66MHz 2x Pins 25 & 26 closed CPU SPEED SELECTION (IBM 6X86) CPU speed Clock speed Multiplier JP4 133MHz 66MHz 2x Pins 23 & 24 closed 150MHz 60MHz 2x Pins 5 & 6 closed 166MHz 66MHz 2x Pins 7 & 8 closed 200MHz 66MHz 2x Pins 25 & 26 closed CPU SPEED SELECTION (IBM 6X86L) CPU speed Clock speed Multiplier JP4 133MHz 66MHz 2x Pins 23 & 24 closed 150MHz 60MHz 2x Pins 5 & 6 closed 166MHz 66MHz 2x Pins 7 & 8 closed 200MHz 66MHz 2x Pins 25 & 26 closed CPU SPEED SELECTION (CX 6X86MX) CPU speed Clock speed Multiplier JP4 166MHz 66MHz 2.5x Pins 9 & 10 closed 200MHz 66MHz 3x Pins 11 & 12 closed 233MHz 66MHz 4x Pins 15 & 16 closed 266MHz 66MHz 4.5x Pins 19 & 20 closed CPU SPEED SELECTION (IBM 6X86MX) CPU speed Clock speed Multiplier JP4 166MHz 66MHz 2.5x Pins 9 & 10 closed 200MHz 66MHz 3x Pins 11 & 12 closed 233MHz 66MHz 4x Pins 15 & 16 closed 266MHz 66MHz 4.5x Pins 19 & 20 closed CPU SPEED SELECTION (AM K5/K6) CPU speed Clock speed Multiplier JP4 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 9 & 10 closed 166MHz 66MHz 2.5x Pins 11 & 12 closed 180MHz 60MHz 3x Pins 13 & 14 closed 200MHz 66MHz 3x Pins 15 & 16 closed 225MHz 75MHz 3.5x Pins 17 & 18 closed 233MHz 66MHz 4x Pins 19 & 20 closed 266MHz 66MHz 4.5x Pins 21 & 22 closed CPU SPEED SELECTION (INTEL) CPU speed Clock speed Multiplier JP4 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 9 & 10 closed 166MHz 66MHz 2.5x Pins 11 & 12 closed 180MHz 60MHz 3x Pins 13 & 14 closed 200MHz 66MHz 3x Pins 15 & 16 closed 225MHz 75MHz 3.5x Pins 17 & 18 closed 233MHz 66MHz 4x Pins 19 & 20 closed 266MHz 66MHz 4.5x Pins 21 & 22 closed CPU VOLTAGE SELECTION Voltage J18 » 2.8v Pins 1 & 5 closed 2.9v Pins 2 & 6 closed 3.2v Pins 3 & 7 closed 3.5v Pins 4 & 8 closed FLASH BIOS SELECTION Setting J9 J10 » 5v Pins 2 & 3 closed Pins 2 & 3 closed 12v Pins 1 & 2 closed Pins 1 & 2 closed