COMPAQ COMPUTER CORPORATION PRESARIO 600 SERIES (486 WITH 4MB) Processor 80486SX/80487SX/ODP486SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set Unidentified Max. Onboard 56MB DRAM Cache None BIOS Unidentified Dimensions 258mm x 218mm I/O Options Riser card slot, floppy drive interface, IDE interface, VGA port, serial ports (2), parallel port, PS/2 mouse port NPU Options 80487 [Image] CONNECTIONS Purpose Location Purpose Location IDE interface J1 Serial port 1 P2 External J5 Serial port 2 P3 PS/2 mouse port J7 VGA port P4 Floppy drive interface J8 Riser card slot SL1 Parallel port P1 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J2 N/A alter » I/O address type select J13 pins 1 & 2 398h/399h closed I/O address type select J13 pins 1 & 2 26Eh/26Fh closed » PGA CPU enabled P7 Open PGA CPU disabled P7 pins 2 & 3 closed PQFP CPU enabled P7 Open » CMOS memory normal operation P14 pins 1 & 2 closed CMOS memeory clear P14 Open DRAM CONFIGURATION Size Bank 0A Bank 0 Bank 1 Bank 2 Bank 3 4MB 4MB NONE NONE NONE NONE 5MB 4MB (1) 256K x NONE NONE NONE 36 6MB 4MB (1) 256K x (1) 256K x NONE NONE 36 36 6MB 4MB (1) 512K x NONE NONE NONE 36 7MB 4MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 8MB 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 8MB 4MB (1) 512K x (1) 512K x NONE NONE 36 36 8MB 4MB (1) 1M x NONE NONE NONE 36 10MB 4MB (1) 512K x (1) 512K x (1) 512K x NONE 36 36 36 10MB 4MB (1) 512K x (1) 512K x (1) 256K x (1) 256K x 36 36 36 36 10MB 4MB (1) 256K x (1) 256K x (1) 512K x (1) 512K x 36 36 36 36 12MB 4MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 12MB 4MB (1) 1M x (1) 1M x NONE NONE 36 36 12MB 4MB (1) 2M x NONE NONE NONE 36 14MB 4MB (1) 1M x (1) 1M x (1) 256K x (1) 256K x 36 36 36 36 14MB 4MB (1) 256K x (1) 256K x (1) 1M x (1) 1M x 36 36 36 36 16MB 4MB (1) 1M x (1) 1M x (1) 1M x NONE 36 36 36 16MB 4MB (1) 1M x (1) 1M x (1) 512K x (1) 512K x 36 36 36 36 16MB 4MB (1) 512K x (1) 512K x (1) 1M x (1) 1M x 36 36 36 36 20MB 4MB (1) 1M x (1) 1M x (1) 1M x (1) 1M x 36 36 36 36 20MB 4MB (1) 2M x (1) 2M x NONE NONE 36 36 20MB 4MB (1) 4M x NONE NONE NONE 36 22MB 4MB (1) 2M x (1) 2M x (1) 256K x (1) 256K x 36 36 36 36 22MB 4MB (1) 256K x (1) 256K x (1) 2M x (1) 2M x 36 36 36 36 24MB 4MB (1) 2M x (1) 2M x (1) 512K x (1) 512K x 36 36 36 36 24MB 4MB (1) 512K x (1) 512K x (1) 2M x (1) 2M x 36 36 36 36 28MB 4MB (1) 2M x (1) 2M x (1) 2M x NONE 36 36 36 28MB 4MB (1) 2M x (1) 2M x (1) 1M x (1) 1M x 36 36 36 36 28MB 4MB (1) 1M x (1) 1M x (1) 2M x (1) 2M x 36 36 36 36 36MB 4MB (1) 2M x (1) 2M x (1) 2M x (1) 2M x 36 36 36 36 36MB 4MB (1) 4M x (1) 4M x NONE NONE 36 36 36MB 4MB (1) 8M x NONE NONE NONE 36 38MB 4MB (1) 4M x (1) 4M x (1) 256K x (1) 256K x 36 36 36 36 Note: Bank 0A is factory installed and not configurable. DRAM CONFIGURATION (CON’T) Size Bank 0A Bank 0 Bank 1 Bank 2 Bank 3 38MB 4MB (1) 256K x (1) 256K x (1) 4M x (1) 4M x 36 36 36 36 40MB 4MB (1) 4M x (1) 4M x (1) 512K x (1) 512K x 36 36 36 36 40MB 4MB (1) 512K x (1) 512K x (1) 4M x (1) 4M x 36 36 36 36 44MB 4MB (1) 4M x (1) 4M x (1) 1M x (1) 1M x 36 36 36 36 44MB 4MB (1) 1M x (1) 1M x (1) 4M x (1) 4M x 36 36 36 36 52MB 4MB (1) 4M x (1) 4M x (1) 4M x NONE 36 36 36 52MB 4MB (1) 4M x (1) 4M x (1) 2M x (1) 2M x 36 36 36 36 52MB 4MB (1) 2M x (1) 2M x (1) 4M x (1) 4M x 36 36 36 36 56MB 4MB (1) 4M x (1) 4M x (1) 4M x (1) 1M x 36 36 36 36 Note: Bank 0A is factory installed and not configurable. CPU TYPE CONFIGURATION Type P9 P10 P11 80486SX (PGA) pins 1 & 2 pins 1 & 2 pins 3 & 4 closed closed closed 80486SX (PQFP) pins 2 & 3 pins 1 & 2 pins 3 & 4 closed closed closed 80487SX pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 80486DX pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 80486DX2 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed CPU SPEED CONFIGURATION CPU speed P8 25MHz pins 2 & 3 closed 33MHz pins 1 & 2 closed 50iMHz pins 2 & 3 closed 66iMHz pins 1 & 2 closed ON-BOARD VIDEO CONFIGURATION Setting P5 P6 Disabled Open Open Enabled pins 1 & 2 closed pins 1 & 2 closed