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 [Image] 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 JP5 Open operation Keyboard matching select JP5 Closed keyboard error during boot-up CPU clock speed select software JP7 pins 1 & 2 turbo closed CPU clock speed select hardware JP7 pins 2 & 3 turbo 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.