COMPAQ COMPUTER CORPORATION PROLINEA MT Processor 80486SX/80486SX2/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set Compaq Max. 64MB Onboard DRAM Cache 128KB (on external cache card) BIOS AMI Dimensions 330mm x 218mm I/O Options External cache card slot, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, VGA feature connector, VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port CN1 IDE interface CN6 PS/2 mouse port CN2 VGA feature connector CN7 Parallel port CN3 External battery J17 VGA port CN4 Speaker P11 Floppy drive interface CN5 External cache card SL1 slot USER CONFIGURABLE SETTINGS Function Jumper Position » Pentium Overdrive mode select P1 pins 2 & 3 write back closed Pentium Overdrive mode select P1 pins 1 & 2 write through closed » On board video enabled P5 pins 2 & 3 closed On board video disabled P5 pins 1 & 2 closed » Parallel port IRQ select IRQ7 P8 pins 1 & 2 closed Parallel port IRQ select IRQ5 P8 pins 2 & 3 closed » CMOS memory normal operation P9 Closed CMOS memory clear P9 Open DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 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) 1M x 36 NONE 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 21MB (1) 1M x 36 (1) 4M x 36 (1) 256K x NONE 36 22MB (1) 1M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 NONE 25MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 28MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB (1) 1M x 36 (1) 8M x 36 NONE NONE 37MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 37MB (1) 1M x 36 (1) 8M x 36 (1) 256K x NONE 36 38MB (1) 1M x 36 (1) 8M x 36 (1) 256K x (1) 256K x 36 36 40MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 40MB (1) 1M x 36 (1) 8M x 36 (1) 1M x 36 NONE 41MB (1) 1M x 36 (1) 8M x 36 (1) 1M x 36 (1) 256K x 36 44MB (1) 1M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 52MB (1) 1M x 36 (1) 8M x 36 (1) 4M x 36 NONE 53MB (1) 1M x 36 (1) 8M x 36 (1) 4M x 36 (1) 256K x 36 56MB (1) 1M x 36 (1) 8M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 1M x 36 (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 Note: When 64MB of memory is installed, Bank 0 is ignored. Do not remove the 1M x 36 from Bank 0. CPU TYPE CONFIGURATION Type P2 P3 P4 P6 P7 80486SX-25 1 & 2 1 & 2 3 & 4 1 & 2 1 & 2 80486SX-33 1 & 2 1 & 2 3 & 4 1 & 2 2 & 3 80487SX-25 1 & 2 1 & 2 3 & 4 1 & 2 1 & 2 80486DX-25 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 80486DX-33 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 80486SX2-66 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 80486DX2-50 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 80486DX2-66 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 ODP 2 & 3 2 & 3 2 & 3 1 & 2 N/A ODPR 2 & 3 2 & 3 1 & 2 1 & 2 N/A Pentium ODP 2 & 3 2 & 3 2 & 3 2 & 3 N/A Note: N/A - jumper setting depends on processor speed. Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed P7 25MHz pins 1 & 2 closed 33MHz pins 2 & 3 closed 50iMHz pins 1 & 2 closed 66iMHz pins 2 & 3 closed