ELITEGROUP COMPUTER SYSTEMS, INC. UM8810P-AIO Processor CX486S/SL80486SX/80486SX/80487SX/SL80486SX2/AM486DX/CX486DX/ SL80486DX/80486DX/AM846DXL/AM486DXL2/AM486DX2/CX486DX2/ SL80486DX2/80486DX2/80486DX2-WB/U5S/U5DS/80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set UMC Max. 64MB Onboard DRAM Cache 128/256/512KB BIOS Award Dimensions 254mm x 218mm I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, Options IDE interfaces (2), parallel port, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 J1 Turbo LED J11 Serial port 1 J2 Reset switch J12 Parallel port J3 Speaker J13 IDE interface (primary) J7 Power LED & keylock J14 IDE interface J8 Green PC connector J15 (secondary) Floppy drive interface J9 IDE interface LED J16 Turbo switch J10 32-bit PCI slots PC1 - PC3 USER CONFIGURABLE SETTINGS Function Jumper Position » Parallel port IRQ select IRQ7 JP3 pins 1 & 2 closed Parallel port IRQ select IRQ5 JP3 pins 2 & 3 closed » BIOS type select EPROM JP6 Open BIOS type select flash ROM 5v JP6 pins 1 & 2 closed BIOS type select flash ROM 12v JP6 pins 2 & 3 closed » On board 37C665 enabled JP8 pins 1 & 2 closed On board 37C665 disabled JP8 pins 2 & 3 closed » Factory configured - do not JP12 Open alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 4MB NONE (1) 1M x 36 NONE NONE 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 8MB NONE (1) 2M x 36 NONE NONE 8MB (1) 1M x 36 NONE (1) 1M x 36 NONE 8MB NONE (1) 1M x 36 NONE (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 16MB NONE (1) 4M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 NONE (1) 2M x 36 NONE 16MB NONE (1) 2M x 36 NONE (1) 2M x 36 32MB (1) 4M x 36 (1) 4M 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 NONE (1) 4M x 36 NONE 32MB NONE (1) 4M x 36 NONE (1) 4M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP13 JP14 JP16 JP33 JP35 128KB Open 1 & 2 2 & 3 Open Open 256KB Open 2 & 3 1 & 2 Open Closed 512KB Open 2 & 3 1 & 2 Open Closed 512KB 1 & 2 2 & 3 2 & 3 Closed Closed Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP18 JP19 JP20 JP21 JP22 JP23 CX486S Open 2 & 3 2 & 3 Open 2 & 3 2 & 3 SL80486SX Open Open 2 & 3 Open 1 & 2 Open 80486SX Open Open 2 & 3 Open Open Open 80487SX Open Open 1 & 2, 2 & 3 Open Open 3 & 4 SL80486SX2 Open Open 2 & 3 Open 1 & 2 Open AM486DX Open Open 1 & 2, 1 & 2 Open Open 3 & 4 CX486DX Open 2 & 3 1 & 2, 1 & 2 2 & 3 2 & 3 3 & 4 SL80486DX Open Open 1 & 2, 1 & 2 1 & 2 Open 3 & 4 80486DX Open Open 1 & 2, 1 & 2 Open Open 3 & 4 AM486DXL Open Open 1 & 2, 1 & 2, Open Open 3 & 4 3 & 4 AM486DXL2 Open Open 1 & 2, 1 & 2, Open Open 3 & 4 3 & 4 AM486DX2 Open Open 1 & 2, 1 & 2 Open Open 3 & 4 CX486DX2 Open 2 & 3 1 & 2, 1 & 2 2 & 3 2 & 3 3 & 4 SL80486DX2 Open Open 1 & 2, 1 & 2 1 & 2 Open 3 & 4 80486DX2 Open Open 1 & 2, 1 & 2 Open Open 3 & 4 80486DX2 - WB Closed Open 1 & 2, 1 & 2 1 & 2, Open 3 & 4 3 & 4 U5S Open Open 2 & 3 1 & 2, Open Open 3 & 4 U5DS Open Open 1 & 2, 1 & 2, Open Open 3 & 4 3 & 4 80486DX4 Open Open 1 & 2, 1 & 2 1 & 2 Open 3 & 4 P24T Open 2 & 3 1 & 2, 1 & 2 1 & 2 1 & 2 3 & 4 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP24 JP27 JP28 JP36 JP37 JP38 CX486S 2 & 3 1 & 2, 1 & 2 1 & 2 1 & 2 2 & 3 3 & 4 SL80486SX 2 & 3 2 & 3, Open 1 & 2 1 & 2 2 & 3 4 & 5 80486SX 1 & 2 Open Open Open 1 & 2 1 & 2 80487SX 1 & 2 Open Open Open 1 & 2 1 & 2 SL80486SX2 2 & 3 2 & 3, Open 1 & 2 1 & 2 2 & 3 4 & 5 AM486DX 1 & 2 Open Open Open 1 & 2 1 & 2 CX486DX 2 & 3 1 & 2, 2 & 3 1 & 2 1 & 2 2 & 3 3 & 4 SL80486DX 2 & 3 2 & 3, Open 1 & 2 1 & 2 1 & 2 4 & 5 80486DX 1 & 2 Open Open Open 1 & 2 1 & 2 AM486DXL 1 & 2 Open 3 & 4 2 & 3 2 & 3 1 & 2 AM486DXL2 1 & 2 Open 3 & 4 2 & 3 2 & 3 1 & 2 AM486DX2 1 & 2 Open Open Open 1 & 2 1 & 2 CX486DX2 2 & 3 1 & 2, 2 & 3 1 & 2 1 & 2 2 & 3 3 & 4 SL80486DX2 2 & 3 2 & 3, Open 1 & 2 1 & 2 2 & 3 4 & 5 80486DX2 1 & 2 Open Open Open 1 & 2 1 & 2 80486DX2 - WB 2 & 3 2 & 3, Open 1 & 2 1 & 2 1 & 2 4 & 5 U5S 1 & 2 Open 3 & 4 2 & 3 2 & 3 1 & 2 U5DS 1 & 2 Open 3 & 4 2 & 3 2 & 3 1 & 2 80486DX4 2 & 3 2 & 3, Open 1 & 2 1 & 2 1 & 2 4 & 5 P24T 2 & 3 2 & 3, 2 & 3 1 & 2 1 & 2 1 & 2 4 & 5 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Size JP41 JP44 All CPU types Open Open Pentium Overdrive only Closed Closed CPU SPEED CONFIGURATION Speed JP17 25MHz pins 1 & 2 closed 33MHz pins 1 & 2, 3 & 4, 5 & 6 closed 40MHz pins 1 & 2, 3 & 4 closed 50iMHz pins 1 & 2 closed 50MHz pins 5 & 6 closed 66iMHz pins 1 & 2, 3 & 4, 5 & 6 closed 75iMHz pins 1 & 2 closed 100iMHz pins 1 & 2, 3 & 4, 5 & 6 closed CPU CLOCK CONFIGURATION (80486DX4) Speed JP29 2x Closed 3x Open CPU VOLTAGE CONFIGURATION Voltage JP31 3.3v pins 1 & 2 closed 5.0v pins 3 & 4 closed PARALLEL PORT DACK CONFIGURATION Size JP4 JP5 DRQ3/DACK 3 pins 1 & 2 closed pins 2 & 3 closed DRQ1/DACK 1 pins 2 & 3 closed pins 1 & 2 closed