ELITEGROUP COMPUTER SYSTEMS, INC. SA486P AIO-U (STD) Processor 80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set Intel Max. Onboard 128MB DRAM Cache 128/256/512KB BIOS AMI/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI bus slots (3), floppy drive interface, green PC connector, IDE interface, SCSI interface, parallel port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 J1 Reset switch J9 Serial port 1 J2 Speaker J10 Parallel port J4 Power LED & keylock J11 SCSI interface J5 IDE interface LED JP16 IDE interface J6 SCSI interface LED JP44 Floppy drive interface J7 32-bit PCI bus slots PC1 - PC3 Turbo LED J8 USER CONFIGURABLE SETTINGS Function Jumper Position » BIOS type select EPROM JP2 pins 2 & 3 closed BIOS type select flash JP2 pins 1 & 2 closed » Factory configured - do not JP11 Open alter » Cache installed JP31 pins 1 & 2 closed Cache not installed JP31 pins 2 & 3 closed » Cache wait state select 0 wait JP32 pins 1 & 2 states closed Cache wait state select 1 wait JP32 pins 2 & 3 state closed » 80486DX4 speed select 3x JP42 Open 80486DX4 speed select 2x JP42 pins 2 & 3 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 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP25 JP28 JP30 128KB pins 1 & 2 closed pins 2 & 3 pins 1 & 2 closed closed 256KB pins 1 & 2, 3 & 4 pins 1 & 2 pins 2 & 3 closed closed closed 512KB pins 1 & 2, 3 & 4, pins 1 & 2 pins 1 & 2 5 & 6 closed closed closed CPU TYPE CONFIGURATION Type JP38 JP39 SL80486SX pins 2 & 3 closed Closed 80486SX pins 2 & 3 closed Open SL80487SX pins 1 & 2, 3 & 4 Closed closed 80487SX pins 1 & 2, 3 & 4 Open closed SL80486DX pins 1 & 2, 3 & 4 Closed closed 80486DX pins 1 & 2, 3 & 4 Open closed SL80486DX2 pins 1 & 2, 3 & 4 Closed closed 80486DX2 pins 1 & 2, 3 & 4 Open closed 80486DX4 pins 1 & 2, 3 & 4 Closed closed SL Pentium Overdrive pins 1 & 2, 3 & 4 Closed closed Pentium Overdrive pins 1 & 2 closed pins 1 & 2 closed CPU SPEED CONFIGURATION Speed JP20 JP34 25MHz Closed pins 2 & 3 closed 33MHz Open pins 1 & 2 closed 50iMHz Closed pins 2 & 3 closed 66iMHz Open pins 1 & 2 closed CPU VOLTAGE CONFIGURATION Voltage JP35 JP36 3.3v pins 2 & 3 closed pins 2 & 3 closed » 5.0v pins 1 & 2 closed pins 1 & 2 closed GREEN PC INTERRUPT CONFIGURATION IRQ JP1 IRQ5 pins 1 & 2 closed IRQ9 pins 3 & 4 closed » IRQ14 pins 5 & 6 closed GREEN PC INTERRUPT CONFIGURATION IRQ JP6 IRQ7 pins 1 & 2 closed IRQ10 pins 3 & 4 closed » IRQ11 pins 5 & 6 closed PARALLEL PORT INTERRUPT/DMA REQUEST CONFIGURATION Setting JP5 JP8 JP10 DRQ1 pins 1 & 2 Open Open closed » DRQ3 pins 2 & 3 Open Open closed DACK1 Open pins 1 & 2 Open closed » DACK3 Open pins 2 & 3 Open closed IRQ5 Open Open pins 1 & 2 closed » IRQ7 Open Open pins 2 & 3 closed PCI INTERRUPT CONFIGURATION (INT A) IRQ JP4 JP7 JP9 IRQ9 pins 1 & 2 Open Open closed IRQ10 Open Open pins 1 & 2 closed » IRQ11 Open pins 1 & 2 Open closed PCI INTERRUPT CONFIGURATION (INT B) IRQ JP43 IRQ7 pins 1 & 2 closed » IRQ9 pins 2 & 3 closed PCI INTERRUPT CONFIGURATION (INT C) IRQ JP4 JP7 JP9 IRQ9 pins 2 & 3 Open Open closed » IRQ10 Open Open pins 2 & 3 closed IRQ11 Open pins 2 & 3 Open closed