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 DRAM  | 
 56MB  | 
| 
 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  | 
| 
 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 alter  | 
 J2  | 
 N/A  | 
| 
 »  | 
 I/O address type select 398h/399h  | 
 J13  | 
 pins 1 & 2 closed  | 
| 
 I/O address type select 26Eh/26Fh  | 
 J13  | 
 pins 1 & 2 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 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
 NONE  | 
| 
 6MB  | 
 4MB  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 7MB  | 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 NONE  | 
| 
 8MB  | 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 8MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
 NONE  | 
| 
 8MB  | 
 4MB  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 10MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 NONE  | 
| 
 10MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 10MB  | 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 12MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 12MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
 NONE  | 
| 
 12MB  | 
 4MB  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 14MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 14MB  | 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 16MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 NONE  | 
| 
 16MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 16MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 20MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 20MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
 NONE  | 
| 
 20MB  | 
 4MB  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 22MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
| 
 22MB  | 
 4MB  | 
 (1) 256K x 36  | 
 (1) 256K x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 24MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 24MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 28MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 NONE  | 
| 
 28MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 28MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 36MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 36MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
 NONE  | 
| 
 36MB  | 
 4MB  | 
 (1) 8M x 36  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 38MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 256K x 36  | 
 (1) 256K x 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 36  | 
 (1) 256K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 40MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
| 
 40MB  | 
 4MB  | 
 (1) 512K x 36  | 
 (1) 512K x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 44MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
| 
 44MB  | 
 4MB  | 
 (1) 1M x 36  | 
 (1) 1M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 52MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 NONE  | 
| 
 52MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
| 
 52MB  | 
 4MB  | 
 (1) 2M x 36  | 
 (1) 2M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
| 
 56MB  | 
 4MB  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 4M x 36  | 
 (1) 1M x 36  | 
| 
 Note: Bank 0A is factory installed and not configurable.  | |||||
| 
 CPU TYPE CONFIGURATION  | |||
| 
 Type  | 
 P9  | 
 P10  | 
 P11  | 
| 
 80486SX (PGA)  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 3 & 4 closed  | 
| 
 80486SX (PQFP)  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 3 & 4 closed  | 
| 
 80487SX  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 80486DX  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 80486DX2  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 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  |