ELITEGROUP COMPUTER SYSTEMS, INC. SA 486P AIO Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Intel Max. Onboard 128MB DRAM Cache 128/256KB BIOS Phoenix Dimensions 330mm x 218mm I/O Options 32-bit PCI local bus slots (3), floppy drive interface, IDE interface, parallel port, serial ports (2), SCSI drive interface NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 Parallel port J8 Speaker J2 Serial port 2 J10 Power LED & keylock J3 Serial port 1 J11 SCSI drive interface J4 32-bit PCI Local bus S1 slot IDE HDD interface J5 32-bit PCI Local bus S2 slot Floppy drive interface J6 32-bit PCI Local bus S3 slot USER CONFIGURABLE SETTINGS Function Jumper Position » Parallel port IRQ7 JP13 pins 2 & 3 closed Parallel port IRQ5 JP13 pins 1 & 2 closed » Flash BIOS write protect enabled JP19 pins 1 & 2 closed Flash BIOS write protect disabled JP19 pins 2 & 3 closed » Factory configured - do not alter JP26 N/A » ODP586SX write back mode enabled JP27 Closed ODP586SX write back mode disabled JP27 Open » Factory configured - do not alter JP28 pins 2 & 3 closed » Factory configured - do not alter JP29 Closed » On board SCSI termination enabled JP34 Closed On board SCSI termination JP34 Open disabled » Factory configured - do not alter JP42 Closed » Factory configured - do not alter JP43 N/A » Factory configured - do not alter JP44 N/A » Factory configured - do not alter JP45 N/A » Factory configured - do not alter JP46 N/A » Factory configured - do not alter JP47 N/A » Factory configured - do not alter JP48 pins 2 & 3 closed CACHE CONFIGURATION Size Max Cachable Bank 0 Bank 1 TAG 128KB 16MB (4) 32K x 8 NONE (1) 16K x 4 256KB 32MB (4) 32K x 8 (4) 32K x 8 (1) 16K x 4 CACHE JUMPER CONFIGURATION Size JP4 JP5 JP6 JP7 JP9 JP10 JP21 JP22 128KB 2 & 3 1 & 1 & 2 & 2 & 2 & 3 Open Open 2 2 3 3 256KB 1 & 2 2 & 1 & 2 & 2 & 2 & 3 Closed Closed 3 2 3 3 Note:Pins designated should be in the closed position. CPU TYPE CONFIGURATION CPU Socket JP23 JP24 JP25 JP51 80486SX PGA pins 2 Closed pins 2 Closed & 3 & 3 80486SX PQFP N/A Open pins 2 Closed & 3 80487SX PGA pins 1 Closed 1 & 2 Closed & 2 and 3 & 4 80486DX PGA pins 3 Closed 1 & 2 Closed & 4 and 3 & 4 80486DX2 PGA pins 3 Closed 1 & 2 Closed & 4 and 3 & 4 Pentium PGA pins 1 Closed 1 & 2 Open Overdrive & 2 and 3 & 4 Note:Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP1 JP2 JP3 JP17 JP18 25MHz Closed Open Closed pins 2 & pins 2 & 3 3 33MHz Open Open Closed pins 2 & pins 1 & 3 2 50i MHz Closed Open Closed pins 2 & pins 2 & 3 3 66i MHz Open Open Closed pins 2 & pins 1 & 3 2 Note:Pins designated should be in the closed position. PCI BUS INTERRUPT SELECT Setting JP14 JP15 JP16 » IRQ 15 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed IRQ 10 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed IRQ 11 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed None Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed Note: IRQ14 is hardwired for IDE interface. If using an interrupt that cannot be shared with other devices, JP14, JP15, and JP16 should be set on pins 2 & 3 closed. EPP/EPC CONFIGURATION Type JP11 JP12 DRQ1/DACK1 pins 1 & 2 closed pins 1 & 2 closed DRQ3/DACK3 pins 2 & 3 closed pins 2 & 3 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 6MB (1) 256K x (1) 256K x (1) 512K x (1) 512K x 36 36 36 36 6MB (1) 512K x (1) 512K x (1) 256K x (1) 256K x 36 36 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) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 1M x 36 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 18MB (1) 256K x (1) 256K x (1) 2M x 36 (1) 2M x 36 36 36 18MB (1) 2M x 36 (1) 2M x 36 (1) 256K x (1) 256K x 36 36 20MB (1) 512K x (1) 512K x (1) 2M x 36 (1) 2M x 36 36 36 20MB (1) 2M x 36 (1) 2M x 36 (1) 512K x (1) 512K x 36 36 DRAM CONFIGURATION (CONT.) Size Bank 0 Bank 1 Bank 2 Bank 3 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 24MB (1) 2M x 36 (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 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 34MB (1) 256K x (1) 256K x (1) 4M x 36 (1) 4M x 36 36 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 512K x (1) 512K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 512K x (1) 512K x 36 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 NONE NONE 66MB (1) 256K x (1) 256K x (1) 8M x 36 (1) 8M x 36 36 36 66MB (1) 8M x 36 (1) 8M x 36 (1) 256K x (1) 256K x 36 36 68MB (1) 512K x (1) 512K x (1) 8M x 36 (1) 8M x 36 36 36 68MB (1) 8M x 36 (1) 8M x 36 (1) 512K x (1) 512K x 36 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 72MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 8M x 36 (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 96MB (1) 4M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36