DTK COMPUTER, INC.
PEM-2030B
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 20MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 16MB (on external memory card)  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 External memory card (PEM-3303)  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port  | 
 CN1  | 
 Power LED & keylock  | 
 J4  | 
| 
 Serial port  | 
 CN2  | 
 Speaker  | 
 J5  | 
| 
 Parallel port  | 
 CN3  | 
 Reset switch  | 
 J6  | 
| 
 External battery  | 
 J1  | 
 External memory card  | 
 SL1  | 
| 
 Turbo LED  | 
 J3  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 Parallel port enabled  | 
 SW2 pins 5 & 6  | 
 Open  | |
| 
 Parallel port disabled  | 
 SW2 pins 5 & 6  | 
 Closed  | |
| 
 Parallel port LPT select LPT1  | 
 SW2 pins 7 & 8  | 
 Open  | |
| 
 Parallel port LPT select LPT2  | 
 SW2 pins 7 & 8  | 
 Closed  | |
| 
 Parallel port IRQ select IRQ7  | 
 SW3  | 
 pins 7 & 8 closed  | |
| 
 Parallel port IRQ select IRQ5  | 
 SW3  | 
 pins 5 & 6 closed  | |
| 
 8-bit memory I/O wait state select 4 wait states  | 
 W1  | 
 pins 1 & 2 closed  | |
| 
 8-bit memory I/O wait state select 5 wait states  | 
 W1  | 
 pins 2 & 3 closed  | |
| 
 16-bit memory I/O wait state select 1 wait states  | 
 W2  | 
 pins 1 & 2 closed  | |
| 
 16-bit memory I/O wait state select 2 wait states  | 
 W2  | 
 pins 2 & 3 closed  | |
| 
 CPU speed control 8MHz  | 
 W3  | 
 pins 1 & 2 closed  | |
| 
 CPU speed control keyboard control  | 
 W3  | 
 pins 2 & 3 closed  | |
| 
 CPU speed control 20MHz  | 
 W3  | 
 Open  | |
| 
 Monitor type select monochrome  | 
 W4  | 
 pins 1 & 2 closed  | |
| 
 Monitor type select color  | 
 W4  | 
 pins 2 & 3 closed  | |
| 
 NPU disabled  | 
 W5  | 
 pins 1 & 2 closed  | |
| 
 NPU enabled  | 
 W5  | 
 pins 2 & 3 closed  | |
| 
 BIOS type select 27128  | 
 W6  | 
 pins 1 & 2 closed  | |
| 
 BIOS type select 27256  | 
 W6  | 
 pins 2 & 3 closed  | |
| 
 Note: The location of W6 is unidentified.  | |||
| 
 DRAM CONFIGURATION  | 
| 
 Note: DRAM is located on the external memory card.  | 
| 
 DRAM JUMPER CONFIGURATION  | |
| 
 Size  | 
 SW1  | 
| 
 2MB  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 4MB  | 
 pins 3 & 4, 5 & 6 closed  | 
| 
 8MB  | 
 pins 5 & 6 closed  | 
| 
 16MB  | 
 Open  | 
| 
 SERIAL PORT CONFIGURATION  | ||
| 
 Setting  | 
 SW2  | 
 SW3  | 
| 
 COM1  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
| 
 COM2  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |