J-BOND COMPUTER SYSTEMS CORPORATION PCI 486 Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Intel Max. Onboard DRAM128MB Cache 64/128/256/512KB BIOS Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI bus slots (3), SCSI interface NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Speaker J1 IDE interface LED J9 Reset switch J2 SCSI interface CN1 Power LED & keylock J3 32-bit PCI bus slots P1, P2, P3 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J8 Open CMOS memory clear J8 Closed » External cache wait state select J14 pins 2 & 3 0 wait state closed External cache wait state select J14 pins 1 & 2 1 wait state closed » Factory configured - do not J15 Open alter » Factory configured - do not J16 Open alter » Factory configured - do not J17 Open alter » Factory configured - do not J20 Open alter » Factory configured - do not J21 Open alter » SCSI terminator term power J24 Closed select internal SCSI terminator term power J24 Open select external peripheral » SCSI IRQ select IRQ11 J114 pins 2 & 3 closed SCSI IRQ select IRQ9 J114 pins 1 & 2 closed » External cache enabled JP17 pins 2 & 3 closed External cache disabled JP17 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 NONE 4MB (2) 256K x 36 (2) 256K x 36 4MB (2) 512K x 36 NONE 6MB (2) 256K x 36 (2) 512K x 36 6MB (2) 512K x 36 (2) 256K x 36 8MB (2) 512K x 36 (2) 512K x 36 8MB (2) 1M x 36 NONE 10MB (2) 256K x 36 (2) 1M x 36 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 512K x 36 (2) 1M x 36 12MB (2) 1M x 36 (2) 512K x 36 16MB (2) 1M x 36 (2) 1M x 36 16MB (2) 2M x 36 NONE 18MB (2) 256K x 36 (2) 2M x 36 18MB (2) 2M x 36 (2) 256K x 36 20MB (2) 512K x 36 (2) 2M x 36 20MB (2) 2M x 36 (2) 512K x 36 24MB (2) 1M x 36 (2) 2M x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 2M x 36 (2) 2M x 36 32MB (2) 4M x 36 NONE 34MB (2) 256K x 36 (2) 4M x 36 34MB (2) 4M x 36 (2) 256K x 36 36MB (2) 512K x 36 (2) 4M x 36 36MB (2) 4M x 36 (2) 512K x 36 DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 40MB (2) 1M x 36 (2) 4M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 2M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 4M x 36 (2) 4M x 36 64MB (2) 8M x 36 NONE 66MB (2) 256K x 36 (2) 8M x 36 66MB (2) 8M x 36 (2) 256K x 36 68MB (2) 512K x 36 (2) 8M x 36 68MB (2) 8M x 36 (2) 512K x 36 72MB (2) 1M x 36 (2) 8M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 2M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 4M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 32K x 8; (1) 16K x 8; (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 32K x 8; (1) 16K x 8; (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8; (1) 16K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J5 J6 J7 J11 J18 J19 64KB Open Open Open 2 & 3 1 & 2 1 & 2 128KB Open Closed Open 1 & 2 2 & 3 1 & 2 256KB Open Closed Closed 1 & 2 1 & 2 2 & 3 512KB Closed Closed Closed 1 & 2 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type KC1 KC2 KC3 KC4 KC5 80486SX Open Open Open Closed Open 80487SX Open Closed Closed Open Closed 80486DX/DX2 Closed Open Closed Open Closed Overdrive Open Closed Closed Open Closed CPU SPEED CONFIGURATION CPU speed J13 J103 25MHz pins 1 & 2 closed Open 33MHz pins 2 & 3 closed Closed 50iMHz pins 1 & 2 closed Open 66iMHz pins 2 & 3 closed Closed PCI MASTER CONFIGURATION Master J104 J105 » PCI 3 pins 2 & 3 closed pins 2 & 3 closed PCI 1 pins 1 & 2 closed pins 1 & 2 closed PCI MASTER CONFIGURATION Master J106 J107 » SCSI pins 2 & 3 closed pins 2 & 3 closed PCI 2 pins 1 & 2 closed pins 1 & 2 closed PCI IRQ CONFIGURATION IRQ J36C/B/A J39C/B/A J40C/B/A J42C/B/A J43C/B/A J113C/B/A IRQ3 Closed Open Open Open Open Open IRQ5 Open Closed Open Open Open Open IRQ10 Open Open Closed Open Open Open IRQ11 Open Open Open Closed Open Open IRQ14 Open Open Open Open Closed Open IRQ15 Open Open Open Open Open Closed