COMPAQ COMPUTER CORPORATION
DESKPRO 386 (TYPE 'A')
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 16MHz  | 
| 
 Chip Set  | 
 ETEQ  | 
| 
 Max. Onboard DRAM  | 
 2MB (on system memory card)  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Compaq  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Proprietary system memory card slot, proprietary external memory card slot (on system memory card)  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Fixed drive power  | 
 J109  | 
 Proprietary keyboard plug  | 
 J116  | 
| 
 Tape backup power  | 
 J110  | 
 Main power  | 
 J117  | 
| 
 Floppy drive power  | 
 J111  | 
 External battery  | 
 J118  | 
| 
 Floppy drive power  | 
 J112  | 
 Keylock  | 
 J119  | 
| 
 Monitor power  | 
 J113  | 
 Proprietary system memory card  | 
 S1  | 
| 
 Speaker  | 
 J115  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Switch  | 
 Position  | |
| » | 
 Fail-safe timer enabled  | 
 SW1/1  | 
 On  | 
| 
 Fail-safe timer disabled  | 
 SW1/1  | 
 Off  | |
| » | 
 NPU enabled  | 
 SW1/2  | 
 On  | 
| 
 NPU disabled  | 
 SW1/2  | 
 Off  | |
| » | 
 NPU type select 4MHz  | 
 SW1/3  | 
 On  | 
| 
 NPU type select 8MHz  | 
 SW1/3  | 
 Off  | |
| » | 
 CPU speed at boot automatic  | 
 SW1/4  | 
 On  | 
| » | 
 CPU speed at boot high  | 
 SW1/4  | 
 Off  | 
| » | 
 Factory configured - do not alter  | 
 SW1/5  | 
 Off  | 
| » | 
 Monitor type select dual-mode/color  | 
 SW1/6  | 
 On  | 
| 
 Monitor type select monochrome other than Compaq  | 
 SW1/6  | 
 Off  | |
| » | 
 Factory configured - do not alter  | 
 SW1/7  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW1/8  | 
 On  | 
| 
 CONNECTIONS  | |
| 
 Purpose  | 
 Location  | 
| 
 Proprietary external memory card  | 
 S1 & S2  | 
| 
 DRAM CONFIGURATION  | ||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 1MB  | 
 (36) 41256  | 
 NONE  | 
| 
 2MB  | 
 (36) 41256  | 
 (36) 41256  | 
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Base Memory  | 
 Ext. Memory  | 
 1MBExp. Memory  | 
 J1  | 
| 
 1MB  | 
 256KB  | 
 768KB  | 
 disabled  | 
 pins 1 & 2, 4 & 5, 7 & 8 closed  | 
| 
 1MB  | 
 512KB  | 
 512KB  | 
 disabled  | 
 pins 2 & 3, 4 & 5, 7 & 8 closed  | 
| 
 1MB  | 
 640KB  | 
 384KB  | 
 disabled  | 
 pins 2 & 3, 5 & 6, 7 & 8 closed  | 
| 
 2MB  | 
 256KB  | 
 768KB  | 
 enabled  | 
 pins 1 & 2, 4 & 5, 8 & 9 closed  | 
| 
 2MB  | 
 512KB  | 
 512KB  | 
 enabled  | 
 pins 2 & 3, 4 & 5, 8 & 9 closed  | 
| 
 2MB  | 
 640KB  | 
 384KB  | 
 enabled  | 
 pins 2 & 3, 5 & 6, 8 & 9 closed  | 
| 
 Note:Jumpers 3 & 4 and 6 & 7 should never be closed as serious damage to the system may result.  | ||||