DTK COMPUTER, INC.
PEM-2000 (FAST ET20)
Processor |
80386DX |
Processor Speed |
20MHz |
Chip Set |
VLSI |
Max. Onboard DRAM |
1MB |
Cache |
None |
BIOS |
DTK |
Dimensions |
355.6mm x 304.8mm |
I/O Options |
Parallel port, serial ports (2), 32-bit external memory card slots (2) |
NPU Options |
80387 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port (COM1) |
J10 |
Reset switch |
W1 |
Serial port (COM2) |
J11 |
External battery |
W6 |
Parallel port |
J12 |
Speaker |
W7 |
32-bit external memory card |
S1 |
Power LED & keylock |
W11 |
32-bit external memory card |
S2 |
Turbo LED |
W12 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
DRAM (32-bit) speed select 1 wait state |
W2 |
Open | |
DRAM (32-bit) speed select 2 wait state |
W2 |
Closed | |
DRAM (16-bit) speed select 1 wait state |
W3 |
pins 1 & 2 closed | |
DRAM (16-bit) speed select 2 wait state |
W3 |
pins 2 & 3 closed | |
DRAM (8-bit) speed select 4 wait state |
W4 |
pins 1 & 2 closed | |
DRAM (8-bit) speed select 5 wait state |
W4 |
pins 2 & 3 closed | |
Monitor type select monochrome |
W8 |
pins 1 & 2 closed | |
Monitor type select color |
W8 |
pins 2 & 3 closed | |
CPU speed select fast |
W10 |
Open | |
CPU speed select slow |
W10 |
pins 1 & 2 closed | |
CPU speed select switchable from keyboard |
W10 |
pins 2 & 3 closed | |
» |
Serial port enabled |
SW1/1 |
Open |
Serial port disabled |
SW1/1 |
Closed | |
» |
Serial port enabled |
SW1/2 |
Open |
Serial port disabled |
SW1/2 |
Closed | |
» |
LPT enabled |
SW1/3 |
Open |
LPT disabled |
SW1/3 |
Closed | |
» |
Parallel port select LPT1 |
SW1/4 |
Open |
Parallel port select LPT2 |
SW1/4 |
Closed | |
» |
Serial port (J10) select COM1/IRQ4 |
SW1/5 |
Closed |
Serial port (J10) select COM1/IRQ3 |
SW1/6 |
Closed | |
» |
Serial port (J11) select COM2/IRQ3 |
SW1/8 |
Closed |
Serial port (J11) select COM2/IRQ4 |
SW1/7 |
Closed | |
» |
Parallel port interrupt select IRQ7 |
SW1/9 |
Closed |
» |
Parallel port interrupt select IRQ7 |
SW1/10 |
Closed |
DRAM CONFIGURATION | |
Size |
Bank 0 |
1MB |
(36) 41256 |