TMC RESEARCH CORPORATION PAT38XPL Processor 80386SX Processor Speed 16/20/25MHz Chip Set OPTI Max. Onboard DRAM 12MB Cache None BIOS AMI Dimensions 231mm x 218mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location External battery J8 Reset switch J17 pins 9 & 19 Speaker J17 pins 1 - IDE LED in J17 pins 10 & 4 20 Turbo switch J17 pins 7 & Power LED & J17 pins 11 - 17 keylock 15 Turbo LED J17 pins 8 & IDE LED out J18 18 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open » CMOS memory normal operation JP2 pins 2 & 3 (internal battery) closed CMOS memory normal operation JP2 Open (external battery at J8) CMOS memory clear JP2 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 P-0 Bank 1 P-1 Bank 2 Bank 3 512KB (4) (2) NONE NONE NONE NONE 44256 41256 512KB NONE NONE NONE NONE (2) NONE 256K x 9 1MB (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 1MB NONE NONE NONE NONE (2) (2) 256K x 256K x 9 9 2MB (4) (2) (4) (2) (2) (2) 44256 41256 44256 41256 256K x 256K x 9 9 2MB (4) (2) NONE NONE NONE NONE 441000 411000 2MB NONE NONE NONE NONE (2) 1M NONE x 9 3MB (4) (2) (4) (2) (2) 1M NONE 44256 41256 44256 41256 x 9 3MB (4) (2) NONE NONE (2) (2) 441000 411000 256K x 256K x 9 9 4MB (4) (2) (4) (2) NONE NONE 441000 411000 441000 411000 4MB NONE NONE NONE NONE (2) 1M (2) 1M x 9 x 9 5MB (4) (2) (4) (2) (2) 1M (2) 1M 44256 41256 44256 41256 x 9 x 9 5MB (4) (2) (2) (2) (2) (2) 441000 411000 411000 411000 256K x 256K x 9 9 6MB (4) (2) (4) (2) (2) 1M NONE 441000 411000 441000 411000 x 9 6MB (4) (2) NONE NONE (2) 1M (2) 1M 441000 411000 x 9 x 9 8MB (4) (2) (4) (2) (2) 1M (2) 1M 441000 411000 441000 411000 x 9 x 9 9MB (4) (2) (4) (2) (2) 4M NONE 44256 41256 44256 41256 x 9 12MB (4) (2) (4) (2) (2) 4M NONE 441000 411000 441000 411000 x 9 DRAM RESISTOR CONFIGURATION Size RA1A, RA2A, & RA3A RA1B, RA2B, & RA3B 512KB Installed Not installed 512KB Not installed Installed 1MB Installed Not installed 1MB Not installed Installed 2MB Installed Not installed 2MB Installed Not installed 2MB Not installed Installed 3MB Installed Not installed 3MB Not installed Installed 4MB Installed Not installed 4MB Not installed Installed 5MB Installed Not installed 5MB Not installed Installed 6MB Installed Not installed 6MB Not installed Installed 8MB Installed Not installed 9MB Installed Not installed 12MB Installed Not installed