NEC TECHNOLOGIES, INC. POWERMATE 386/20 Processor 80386DX Processor Speed 20MHz Chip Set ETEQ Max. Onboard DRAM 8MB (on system memory card) Cache None Dimensions 330.2mm x 218.4mm BIOS Phoenix I/O Options Serial ports (2), parallel port, floppy drive interface, proprietary system memory card, proprietary external memory card slot (on system memory card) NPU Options 80287/80387 [Image] CONNECTIONS Purpose Location Purpose Location Speaker P1 Floppy drive interface P7 External battery P3 Serial port 2 P10 Keylock P4 Turbo LED P11 Parallel port P5 32-bit external memory S1 card Serial port 1 P6 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Manufacturer test mode 11L1 Open disabled Manufacturer test mode 11L1 Closed enabled » Pipeline mode enabled 14L2 pins 1 & 2 closed Pipeline mode disabled 14L2 pins 2 & 3 closed » Test mode disabled 19A1 Open Test mode enabled 19A1 Closed » Floppy drive type select 23G1 pins 1 & 2 single speed closed Floppy drive type select 23G1 pins 2 & 3 dual speed closed » Factory configured - do not SW1/1 Off alter » Factory configured - do not SW1/2 Off alter » Factory configured - do not SW1/3 Off alter » Factory configured - do not SW1/4 On alter » Test mode switch disabled SW1/5 On Test mode switch enabled SW1/5 Off » DRAM speed select 0 wait SW1/6 On states DRAM speed select 1 wait SW1/6 Off state » Factory configured - do not SW1/9 Off alter » Factory configured - do not SW1/10 Off alter » Monitor type select color SW2/1 On Monitor type select SW2/1 Off monochrome » Floppy drive interface SW2/2 Off address select primary Floppy drive interface SW2/2 On address select secondary » Floppy drive interface SW2/3 On enabled Floppy drive interface SW2/3 Off disabled » Serial port 2 select COM2 SW2/4 On Serial port 2 disabled SW2/4 Off » Serial port 1 select COM1 SW2/5 On Serial port 1 disabled SW2/5 Off » System enabled SW2/6 On System disabled SW2/6 Off » NPU enabled SW2/7 On NPU disabled SW2/7 Off » NPU type select 80287 SW2/8 Off NPU type select 80387 SW2/8 On NPU CONFIGURATION (80287) Speed 19C1 19C2 19C3 (27F1) 5.3MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 8MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed » 10MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed Note:Depending on the revision # of the mainboad, the board will have either jumper 19C3 or 27F1. [Image] CONNECTIONS Purpose Location Proprietary external memory card S1 DRAM CONFIGURATION Size Bank 0 P-0 2MB (16) 44256 (8) 41256 Note:The locations of Bank 0 and P-0 are unidentifed. [Image] CONNECTIONS Purpose Location Proprietary external memory card S1 DRAM CONFIGURATION Size Bank 0 8MB (72) 44256