PC & C RESEARCH CORPORATION
DYNOVA 386SX-5
Processor | 80386SX |
Processor Speed | 16/20MHz |
Chip Set | Intel/VLSI |
Max. Onboard DRAM | 4MB |
Cache | None |
BIOS | AMI/Award |
Dimensions | 335mm x 218mm |
I/O Options | Parallel port, serial ports (2), floppy drive interfaces (2), IDE interface |
NPU Options | 80387SX |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
External battery | J2 | Speaker | J29 |
Parallel port | J5 | Turbo switch | J34 |
Serial port (COM1/3) | J6 | Power LED & keylock | J35 |
Serial port (COM2/4) | J7 | Reset switch | J36 |
Floppy interface drives 1 & 2 | J24 | Turbo LED | J37 |
Floppy interface drives 3 & 4 | J25 | IDE LED | J38 |
IDE interface | J26 | Front panel assembly | J39 |
Note:The front panel assembly (J39) incorporates all the functions of J34, J35, J36, J37, and J38. | |||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
| » | Factory configured - do not alter | J27 | Open |
| » | Factory configured - do not alter | J28 | Open |
| » | CPU speed select switchable from turbo switch | J33 | pins 1 & 2 closed |
CPU speed select switchable from keyboard | J33 | pins 2 & 3 closed | |
| » | Parallel port (J12) enabled | SW1/5 | On |
Parallel port (J12) disabled | SW1/5 | Off | |
| » | Parallel port (J12) address select 378h | SW1/6 | Off |
Parallel port (J12) address select 27Fh | SW1/6 | On | |
| » | IDE interface enabled | SW1/9 | On |
IDE interface disabled | SW1/9 | Off | |
| » | Monitor type select monochrome | SW1/10 | Off |
Monitor type select color | SW1/10 | On | |
| » | Floppy drive interfaces (J24 & J25) enabled | SW1/11 | On |
Floppy drive interfaces (J24 & J25) disabled | SW1/11 | Off | |
| » | Factory configured - do not alter | SW1/12 | N/A |
DRAM CONFIGURATION | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
512KB | (2) 256K x 9 | NONE | NONE | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE |
1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE |
2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | NONE | NONE | NONE |
3MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
4.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x 9 | NONE |
5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 1M x 9 | (2) 1M x 9 |
6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | NONE | NONE | NONE |
8.5MB | (2) 256K x 9 | (2) 4M x 9 | NONE | NONE |
9MB | (2) 256K x 9 | (2) 256K x 9 | (2) 4M x 9 | NONE |
10MB | (2) 1M x 9 | (2) 4M x 9 | NONE | NONE |
12MB | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 | NONE |
16MB | (2) 4M x 9 | (2) 4M x 9 | NONE | NONE |
16.5MB | (2) 4M x 9 | (2) 4M x 9 | (2) 256K x 9 | NONE |
17MB | (2) 256K x 9 | (2) 256K x 9 | (2) 4M x 9 | (2) 4M x 9 |
18MB | (2) 4M x 9 | (2) 4M x 9 | (2) 1M x 9 | NONE |
20MB | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 | (2) 4M x 9 |
24MB | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 | NONE |
32MB | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 |
CPU SPEED CONFIGURATION | |||
Speed | J30 | J31 | J32 |
16MHz | Open | Open | Closed |
20MHz | Open | Closed | Open |
25MHz | Closed | Open | Open |
PARALLEL PORT IRQ CONFIGURATION | ||
IRQ | SW1/7 | SW1/8 |
IRQ7 | On | Off |
IRQ5 | Off | On |
SERIAL PORT 1 CONFIGURATION | ||
IRQ | SW1/1 | SW1/2 |
COM1/IRQ4/3F8-3FFh | On | Off |
COM3/IRQ4/3E8-3EFh | On | On |
Disabled | Off | Off |
SERIAL PORT 2 CONFIGURATION | ||
IRQ | SW1/3 | SW1/4 |
COM2/IRQ3/2FFh | On | On |
COM4/IRQ3/2EFh | Off | Off |
Disabled | Off | On |