ZEOS INTERNATIONAL, LTD. PANTERA 486 Processor 80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set SMC Max. 128MB Onboard DRAM Cache 128/256KB (on external cache card) BIOS AMI Dimensions 330mm x 218mm I/O 32-bit PCI bus slots (3), floppy drive interface, IDE interface Options (2), parallel port, serial ports (2), SCSI interface, external cache card NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Parallel port J2 Low power LED J11 Serial port 2 J3 Power LED & keylock J12 Serial port 1 J4 IDE interface LED J13 Floppy drive interface J5 Speaker J14 IDE interface J7 SCSI connector J15 (secondary) IDE interface (primary) J8 32-bit PCI bus slots PC1 - PC3 Chassis fan power J9 External cache card SL1 Reset switch J10 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation CLR1 pins 1 & 2 closed CMOS memory clear CLR1 pins 3 & 4 closed » Flash BIOS write protect enabled FLASH1 pins 1 & 2 closed Flash BIOS write protect FLASH1 pins 3 & 4 disabled closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256K x (1) 256K x NONE NONE 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x (1) 512K x NONE NONE 36 36 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 512K x (1) 512K x 36 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CPU TYPE CONFIGURATION Type CP1 80486SX pins 3 & 5, 4 & 6 closed 80486DX/DX2/DX4/Overdrive pins 1 & 3, 2 & 4 closed CPU SPEED CONFIGURATION Speed CLK1 25MHz pins 1 & 3, 4 & 6 closed 33MHz pins 2 & 4, 3 & 5 closed 50iMHz pins 1 & 3, 4 & 6 closed 66iMHz pins 2 & 4, 3 & 5 closed 75iMHz pins 1 & 3, 4 & 6 closed 100iMHz pins 2 & 4, 3 & 5 closed CPU VOLTAGE CONFIGURATION Voltage CP2 3.3 volt pins 1 & 3, 2 & 4 closed 5 volt pins 3 & 5, 4 & 6 closed