COMPAQ COMPUTER CORPORATION
DESKPRO 286e (Model 001226)
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 12MHz  | 
| 
 Chip Set  | 
 Compaq  | 
| 
 Max. Onboard DRAM  | 
 1MB (12MB on system memory card)  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Compaq  | 
| 
 Dimensions  | 
 332mm x 333mm  | 
| 
 I/O Options  | 
 VGA feature connector, floppy drive interface, IDE interface, proprietary system memory card slot, parallel port, serial port, VGA port, bus mouse  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Bus mouse port  | 
 CN1  | 
 IDE interface  | 
 FD2  | 
| 
 Parallel port  | 
 CN2  | 
 Proprietary system memory card  | 
 M1  | 
| 
 Serial port  | 
 CN3  | 
 Speaker  | 
 SPK  | 
| 
 VGA port  | 
 CN4  | 
 Main power  | 
 P0  | 
| 
 Fan power  | 
 FAN  | 
 Drive power plugs  | 
 P1-3  | 
| 
 3.5 inch floppy drive interface  | 
 FD1  | 
 VGA feature connector  | 
 V1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 Mouse port enabled  | 
 E4  | 
 pins 2 & 3 closed  | 
| 
 Mouse port disabled  | 
 E4  | 
 pins 1 & 2 closed  | |
| » | 
 Local bus hidden refresh enabled  | 
 E6  | 
 pins 2 & 3 closed  | 
| 
 Local bus hidden refresh disabled  | 
 E6  | 
 pins 1 & 2 closed  | |
| » | 
 NPU speed select 12MHz  | 
 E11  | 
 pins 2 & 3 closed  | 
| » | 
 NPU speed select 8MHz  | 
 E11  | 
 pins 1 & 2 closed  | 
| » | 
 Option ROM disabled  | 
 SW1/3  | 
 Off  | 
| 
 Option ROM enabled  | 
 SW1/3  | 
 On  | |
| » | 
 CPU speed select automatic at power-on  | 
 SW1/4  | 
 On  | 
| 
 CPU speed select high at power-on  | 
 SW1/4  | 
 Off  | |
| » | 
 Factory configured - do not alter  | 
 SW1/5  | 
 Off  | 
| » | 
 Monitor type select color  | 
 SW1/6  | 
 On  | 
| 
 Monitor type select monochrome (MDA)  | 
 SW1/6  | 
 Off  | |
| » | 
 IDE address select 1Fx;primary floppy address select 3Fx  | 
 SW2/1  | 
 Off  | 
| 
 IDE address select 17x;secondary floppy address select 37x  | 
 SW2/1  | 
 On  | |
| » | 
 Password enabled  | 
 SW2/2  | 
 Off  | 
| 
 Password disabled  | 
 SW2/2  | 
 On  | |
| » | 
 IDE drive interface enabled  | 
 SW2/3  | 
 Off  | 
| 
 IDE drive interface disabled  | 
 SW2/3  | 
 On  | |
| » | 
 VGA port enabled  | 
 SW2/8  | 
 Off  | 
| 
 VGA port disabled  | 
 SW2/8  | 
 On  | |
| 
 DRAM SWITCH CONFIGURATION  | ||
| 
 Size  | 
 SW1/1  | 
 SW1/2  | 
| 
 256KB  | 
 Off  | 
 Off  | 
| 
 512KB  | 
 On  | 
 Off  | 
| 
 640KB  | 
 On  | 
 On  | 
| 
 Reserved  | 
 Off  | 
 On  | 
| 
 PARALLEL PORT CONFIGURATION  | ||
| 
 Setting  | 
 SW2/6  | 
 SW2/7  | 
| 
 LPT1 at 3Bx  | 
 On  | 
 Off  | 
| 
 LPT2 at 37x  | 
 Off  | 
 On  | 
| 
 Disabled  | 
 On  | 
 On  | 
| 
 SERIAL PORT CONFIGURATION  | ||
| 
 Setting  | 
 SW2/4  | 
 SW2/5  | 
| 
 COM1 at IRQ4  | 
 Off  | 
 Off  | 
| 
 COM2 at IRQ3  | 
 On  | 
 Off  | 
| 
 Disabled  | 
 On  | 
 On  |