SC386SX-25 Motherboard Settings and Configuration
INTERLOGIC INDUSTRIES
SC386SX-25
Processor | 80386SX |
Processor Speed | 25MHz |
Chip Set | C & T SCAMP |
Max. Onboard DRAM | 8MB |
SRAM Cache | None |
BIOS | Award |
Dimensions | 195mm x 127mm |
I/O Options | Auxilliary keyboard connector, floppy drive interface, IDE interface, parallel port, serial port (2) |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Floppy drive interface | CN1 | Parallel port | CN7 |
Reset switch | CN2 | Auxiliary keyboard | CN8 |
IDE interface LED | CN3 | External battery | CN9 |
Power LED & keylock | CN4 | Serial port 1 | CN10 |
Speaker | CN5 | Serial port 2 | CN11 |
IDE interface | CN6 | Floppy drive interface LED | LED |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | NONE |
4MB | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | NONE |
16MB | (2) 4M x 9 | (2) 4M x 9 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Pipeline mode endabled | JP1 | open |
| Pipeline mode disabled | JP1 | closed |
» | Watchdog Timer interval select 500ms | JP2 | pins 1 & 2 closed |
| Watchdog Timer interval select 1 second | JP2 | pins 2 & 3 closed |
| Watchdog Timer disabled | JP2 | open |
» | Factory configured - do not alter | JP3 | open |
» | Parallel port (CN7) interrupt select IRQ7 (LPT2) | JP4 | pins 1 & 2 closed |
| Parallel port (CN7) interrupt select IRQ5 (LPT3) | JP4 | pins 2 & 3 closed |
» | Watchdog Timer mode select system reset after time-out | JP5 | pins 1 & 2 closed |
| Watchdog Timer mode select low IOCHK# NMI after time-out | JP5 | pins 2 & 3 closed |
» | Turbo mode seletable from keyboard | JP6 | pins 1 & 2 closed |
| Turbo mode disabled | JP6 | pins 2 & 3 closed |
| Turbo mode selectable by software | JP6 | open |
» | IDE interface (CN6) enabled | JP7 | pins 1 & 2 closed |
| IDE interface (CN6) disabled | JP7 | pins2 & 3 closed |
» | Floppy drive interface (CN1) enabled | JP8 | pins 1 & 2 closed |
| Floppy drive interface (CN1) disabled | JP8 | pins 2 & 3 closed |
» | Parallel port (CN7) select LPT2 (I/O address 378-37Fh) | JP9 | pins 1 & 2 closed |
| Parallel port (CN7) select LPT3 (I/O address 278-27Fh) | JP9 | pins 2 & 3 closed |
» | Parallel port (CN7) enabled | JP15 | pins 1 & 2 closed |
| Parallel port (CN7) disabled | JP15 | pins 2 & 3 closed |
» | Monitor type select color | JP17 | closed |
| Monitor type select monochrome | JP17 | open |
» | CMOS memory normal operation | JP18 | pins 2 & 3 closed |
| CMOS memory clear | JP18 | pins 1 & 2 closed |
SERIAL PORT CONFIGURATION | ||||||
» | Serial port 1 (CN10) enabled | JP13 | pins 1 & 2 closed | |||
| Serial port 1 (CN10) disabled | JP13 | pins 2 & 3 closed | |||
» | Serial port 1 (CN10) select COM1 (I/O address 3F8-3FFh) | JP12 | pins 1 & 2 closed | |||
| Serial port 1 (CN10) select COM3 (I/O address 3E8-3EFh) | JP12 | pins 2 & 3 closed | |||
» | Serial port 1 (CN10) interrupt select IRQ4 | JP10 | pins 1 & 2 closed | |||
| Serial port 1 (CN10) interrupt select IRQ3 | JP10 | pins 2 & 3 closed | |||
» | Serial port 2 (CN11) enabled | JP16 | pins 1 & 2 closed | |||
| Serial port 2 (CN11) disabled | JP16 | pins 2 & 3 closed | |||
» | Serial port 2 (CN11) select COM2 (I/O address 2F8-2FFh) | JP14 | pins 1 & 2 closed | |||
| Serial port 2 (CN11) select COM4 (I/O address 2E8-2EFh) | JP14 | pins 2 & 3 closed | |||
» | Serial port 2 (CN11) interrupt select IRQ3 | JP11 | pins 1 & 2 closed | |||
| Serial port 2 (CN11) interrupt select IRQ4 | JP11 | pins 2 & 3 closed | |||
My Books
