MICRONICS COMPUTERS, INC. TWISTER Processor CX 6X86/AM K5/AM K6/Pentium Processor Speed 75/90/100/120/133/150/166/180/200/233MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 305mm x 244mm 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 connectors (2), ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Soft off power J23/pins 1 & 2 connector supply USB connector 1 J10 Green PC J23/pins 3 & 4 connector USB connector 2 J11 IR connector J23/pins 6 - 11 IDE interface 2 J13 IDE interface LED J23/pins 13 - 16 Serial port 2 J14 Power LED J23/pins 18 - 20 IDE interface 1 J15 Reset switch J23/pins 22 & 23 Floppy drive J16 Speaker J23/pins 24 - interface 27 Parallel port J17 Power LED & J24 keylock CPU fan power J18 SCSI interface J100 LED PS/2 mouse port J21 32-bit PCI slots PC1 – PC4 Serial port 1 J22 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP1 Pins 1 & 2 closed CMOS memory clear JP1 Pins 2 & 3 closed » Flash BIOS normal operation JP2 Pins 2 & 3 closed Flash BIOS reserved JP2 Pins 1 & 2 closed SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (2) 1M x 36 None None 16MB (2) 2M x 36 None None 16MB (2) 1M x 36 (2) 1M x 36 None 24MB (2) 1M x 36 (2) 2M x 36 None 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 32MB (2) 4M x 36 None None 32MB (2) 2M x 36 (2) 2M x 36 None 32MB (2) 1M x 36 (2) 1M x 36 (2) 2M x 36 40MB (2) 1M x 36 (2) 4M x 36 None 48MB (2) 2M x 36 (2) 4M x 36 None 48MB (2) 1M x 36 (2) 1M x 36 (2) 4M x 36 48MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 64MB (2) 8M x 36 None None 64MB (2) 4M x 36 (2) 4M x 36 None 64MB (2) 2M x 36 (2) 2M x 36 (2) 4M x 36 72MB (2) 1M x 36 (2) 8M x 36 None 80MB (2) 2M x 36 (2) 8M x 36 None 80MB (2) 1M x 36 (2) 1M x 36 (2) 8M x 36 96MB (2) 4M x 36 (2) 8M x 36 None 96MB (2) 2M x 36 (2) 2M x 36 (2) 8M x 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 128MB (2) 16M x 36 None None 128MB (2) 8M x 36 (2) 8M x 36 None 128MB (2) 4M x 36 (2) 4M x 36 (2) 8M x 36 136MB (2) 1M x 36 (2) 16M x 36 None 144MB (2) 2M x 36 (2) 16M x 36 None 144MB (2) 1M x 36 (2) 1M x 36 (2) 16M x 36 160MB (2) 4M x 36 (2) 16M x 36 None 160MB (2) 2M x 36 (2) 2M x 36 (2) 16M x 36 192MB (2) 8M x 36 (2) 16M x 36 None 192MB (2) 4M x 36 (2) 4M x 36 (2) 16M x 36 192MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 256MB (2) 32M x 36 None None 256MB (2) 16M x 36 (2) 16M x 36 None 256MB (2) 8M x 36 (2) 8M x 36 (2) 16M x 36 Note: Board accepts EDO memory. DIMM CONFIGURATION Size Bank 3 Bank 4 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 256MB (1) 16M x 64 (1) 16M x 64 DIMM/SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 16MB (2) 1M x None None (1) 1M x None 36 64 24MB (2) 1M x None None (1) 2M x None 36 64 24MB (2) 1M x None None (1) 1M x (1) 1M x 36 64 64 24MB (2) 1M x (2) 1M x None None (1) 1M x 36 36 64 32MB (2) 1M x None None (1) 1M x (1) 2M x 36 64 64 32MB (2) 2M x None None (1) 2M x None 36 64 32MB (2) 2M x None None (1) 1M x (1) 1M x 36 64 64 32MB (2) 1M x (2) 1M x None None (1) 2M x 36 36 64 40MB (2) 1M x None None (1) 4M x None 36 64 40MB (2) 1M x None None (1) 2M x (1) 2M x 36 64 64 40MB (2) 2M x None None (1) 1M x (1) 2M x 36 64 64 40MB (2) 2M x (2) 2M x None None (1) 1M x 36 36 64 48MB (2) 1M x None None (1) 1M x (1) 4M x 36 64 64 48MB (2) 2M x None None (1) 4M x None 36 64 48MB (2) 2M x None None (1) 2M x (1) 2M x 36 64 64 48MB (2) 4M x None None (1) 1M x (1) 1M x 36 64 64 48MB (2) 1M x (2) 1M x None None (1) 4M x 36 36 64 48MB (2) 2M x (2) 2M x None None (1) 2M x 36 36 64 56MB (2) 1M x None None (1) 2M x (1) 4M x 36 64 64 56MB (2) 2M x None None (1) 1M x (1) 4M x 36 64 64 56MB (2) 4M x None None (1) 1M x (1) 2M x 36 64 64 64MB (2) 2M x None None (1) 2M x (1) 4M x 36 64 64 64MB (2) 4M x None None (1) 4M x None 36 64 64MB (2) 4M x None None (1) 2M x (1) 2M x 36 64 64 64MB (2) 2M x (2) 2M x None None (1) 4M x 36 36 64 72MB (2) 1M x None None (1) 8M x None 36 64 72MB (2) 1M x None None (1) 4M x (1) 4M x 36 64 64 72MB (2) 4M x None None (1) 1M x (1) 4M x 36 64 64 72MB (2) 4M x (2) 4M x None None (1) 1M x 36 36 64 80MB (2) 1M x None None (1) 1M x (1) 8M x 36 64 64 80MB (2) 2M x None None (1) 8M x None 36 64 80MB (2) 2M x None None (1) 4M x (1) 4M x 36 64 64 80MB (2) 4M x None None (1) 2M x (1) 4M x 36 64 64 80MB (2) 8M x None None (1) 1M x (1) 1M x 36 64 64 80MB (2) 4M x (2) 4M x None None (1) 2M x 36 36 64 88MB (2) 1M x None None (1) 2M x (1) 8M x 36 64 64 88MB (2) 2M x None None (1) 1M x (1) 8M x 36 64 64 88MB (2) 8M x None None (1) 1M x (1) 2M x 36 64 64 96MB (2) 4M x None None (1) 8M x None 36 64 96MB (2) 4M x None None (1) 4M x (1) 4M x 36 64 64 96MB (2) 8M x None None (1) 2M x (1) 2M x 36 64 64 96MB (2) 4M x (2) 4M x None None (1) 4M x 36 36 64 DIMM/SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 104MB (2) 1M x None None (1) 4M x (1) 8M x 36 64 64 104MB (2) 4M x None None (1) 1M x (1) 8M x 36 64 64 104MB (2) 8M x None None (1) 1M x (1) 4M x 36 64 64 112MB (2) 2M x None None (1) 4M x (1) 8M x 36 64 64 112MB (2) 4M x None None (1) 2M x (1) 8M x 36 64 64 112MB (2) 8M x None None (1) 2M x (1) 4M x 36 64 64 128MB (2) 4M x None None (1) 4M x (1) 8M x 36 64 64 128MB (2) 8M x None None (1) 8M x None 36 64 128MB (2) 8M x None None (1) 4M x (1) 4M x 36 64 64 136MB (2) 1M x None None (1) 8M x (1) 8M x 36 64 64 136MB (2) 8M x None None (1) 1M x (1) 8M x 36 64 64 136MB (2) 16M x None None (1) 1M x None 36 64 136MB (2) 8M x (2) 8M x None None (1) 1M x 36 36 64 144MB (2) 2M x None None (1) 8M x (1) 8M x 36 64 64 144MB (2) 8M x None None (1) 2M x (1) 8M x 36 64 64 144MB (2) 16M x None None (1) 2M x None 36 64 144MB (2) 16M x None None (1) 1M x (1) 1M x 36 64 64 144MB (2) 1M x (2) 1M x None None (1) 16M x 36 36 64 144MB (2) 8M x (2) 8M x None None (1) 2M x 36 36 64 160MB (2) 4M x None None (1) 8M x (1) 8M x 36 64 64 160MB (2) 8M x None None (1) 4M x (1) 8M x 36 64 64 160MB (2) 16M x None None (1) 4M x None 36 64 160MB (2) 16M x None None (1) 2M x (1) 2M x 36 64 64 160MB (2) 2M x (2) 2M x None None (1) 16M x 36 36 64 160MB (2) 8M x (2) 8M x None None (1) 4M x 36 36 64 168MB (2) 16M x None None (1) 1M x (1) 4M x 36 64 64 176MB (2) 16M x None None (1) 2M x (1) 4M x 36 64 64 192MB (2) 8M x None None (1) 8M x (1) 8M x 36 64 64 192MB (2) 16M x None None (1) 8M x None 36 64 192MB (2) 16M x None None (1) 4M x (1) 4M x 36 64 64 192MB (2) 4M x (2) 4M x None None (1) 16M x 36 36 64 200MB (2) 16M x None None (1) 1M x (1) 8M x 36 64 64 208MB (2) 16M x None None (1) 2M x (1) 8M x 36 64 64 256MB (2) 16M x None None (1) 8M x (1) 8M x 36 64 64 256MB (2) 8M x (2) 8M x None None (1) 16M x 36 36 64 CACHE CONFIGURATION Size Bank 0 256KB (2) 32K x 32 512KB (2) 64K x 32 Note: The location of bank 0 is unidentified. CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP4 JP5 JP6 JP7 JP8 JP60 speed speed 150MHz 60MHz 2x 1 & 2 & 2 & 2 & 1 & Open 2 3 3 3 2 166MHz 66MHz 2x 1 & 2 & 2 & 1 & 2 & Open 2 3 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier JP4 JP5 JP6 JP7 JP8 JP60 speed speed 75MHz 50MHz 1.5x 1 & 1 & 2 & 2 & 2 & Open 2 2 3 3 3 90MHz 60MHz 1.5x 1 & 1 & 2 & 2 & 1 & Open 2 2 3 3 2 100MHz 66MHz 1.5x 1 & 1 & 2 & 1 & 2 & Open 2 2 3 2 3 120MHz 60MHz 1.5x 1 & 1 & 2 & 2 & 1 & Open 2 2 3 3 2 133MHz 66MHz 2x 1 & 2 & 2 & 1 & 2 & Open 2 3 3 2 3 166MHz 66MHz 2.5x 2 & 2 & 2 & 1 & 2 & Open 3 3 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6) CPU Clock Multiplier JP4 JP5 JP6 JP7 JP8 JP60 speed speed 166MHz 66MHz 2.5x 2 & 2 & 2 & 1 & 2 & Open 3 3 3 2 3 200MHz 66MHz 3x 2 & 1 & 2 & 1 & 2 & Open 3 2 3 2 3 233MHz 66MHz 3.5x 1 & 1 & 2 & 1 & 2 & 1 & 2 2 2 3 2 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP4 JP5 JP6 JP7 JP8 JP60 speed speed 75MHz 50MHz 1.5x 1 & 1 & 2 & 2 & 2 & Open 2 2 3 3 3 90MHz 60MHz 1.5x 1 & 1 & 2 & 2 & 1 & Open 2 2 3 3 2 100MHz 66MHz 1.5x 1 & 1 & 2 & 1 & 2 & Open 2 2 3 2 3 120MHz 60MHz 2x 1 & 2 & 2 & 2 & 1 & Open 2 3 3 3 2 133MHz 66MHz 2x 1 & 2 & 2 & 1 & 2 & Open 2 3 3 2 3 150MHz 60MHz 2.5x 2 & 2 & 2 & 2 & 1 & Open 3 3 3 3 2 166MHz 66MHz 2.5x 2 & 2 & 2 & 1 & 2 & Open 3 3 3 2 3 180MHz 60MHz 3x 2 & 1 & 2 & 2 & 1 & Open 3 2 3 3 2 200MHz 66MHz 3x 2 & 1 & 2 & 1 & 2 & Open 3 2 3 2 3 233MHz 66MHz 3.5x 1 & 1 & 2 & 1 & 2 & Open 2 2 3 2 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP11 JP12 JP13 JP14 JP15 JP16 JP17 JP18 CX 6X86 Open Closed Open Open Open Open Closed Open CX 6X86L Open Open Open Closed Open Open Closed Open P54C/CS/CTB Open Closed Open Open Open Open Closed Open AM K5 Open Open Closed Open Open Open Closed Open AM Open Open Open Closed Open Open Closed Open K6-166/200 AM K6-233 Closed Open Open Open Open Open Closed Open P55C Open Open Open Closed Open Open Closed Open