UNIDENTIFIED
SCAMP 386SX
Processor | 80386SX/CX486SLC (exact location unidentified) |
Processor Speed | 16/20/25/33MHz |
Chip Set | VLSI |
Max. Onboard DRAM | 16MB |
Cache | None |
BIOS | Unidentified |
Dimensions | 218mm x 168mm |
I/O Options | None |
NPU Options | 80387SX |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Speaker | CN1 | Turbo switch | JP6 |
External battery | CN2 | Turbo LED | JP8 |
Power LED & keylock | CN3 | Reset switch | JP14 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | CMOS memory normal operation | HDR1 | pins 1 & 2 closed |
CMOS memory clear | HDR1 | pins 3 & 4 closed | |
Pipeline mode disabled | JP1 | Open | |
Pipeline mode enabled | JP1 | Closed | |
Monitor type select monochrome | JP4 | Open | |
Monitor type select color | JP4 | Closed | |
» | Keyboard matching select normal operation | JP5 | Open |
Keyboard matching select keyboard error during boot-up | JP5 | Closed | |
CPU clock speed select software turbo | JP7 | pins 1 & 2 closed | |
CPU clock speed select hardware turbo | JP7 | pins 2 & 3 closed | |
NPU clock select CPU clock speed | JP11 | Open | |
NPU clock select NPU clock speed | JP11 | Closed |
DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
512KB | (2) 256K x 9 | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 |
2MB | (2) 1M x 9 | NONE |
2.5MB | (2) 1M x 9 | (2) 256K x 9 |
2.5MB | (2) 256K x 9 | (2) 1M x 9 |
4MB | (2) 1M x 9 | (2) 1M x 9 |
8MB | (2) 4M x 9 | NONE |
16MB | (2) 4M x 9 | (2) 4M x 9 |
CPU SPEED CONFIGURATION | |
Speed | JP2 |
16MHz | Open |
20MHz | Open |
25MHz | Open |
33MHz | Closed |
Note: If CPU speed is 16MHz or 20MHz, set Fast Clock Divider in Advanced CMOS Setup to 4. |