PEAKTRON COMPUTER, INC. PA286 Processor 80286 Processor Speed 12/16MHz Chip Set Peaktron Max. Onboard DRAM 4MB Cache None BIOS AMI Dimensions 330mm x 220mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED J1 Speaker J12 Reset switch J2 Turbo switch J13 Power LED & keylock J9 External battery JP1 USER CONFIGURABLE SETTINGS Function Jumper Position » NPU mode select synchronous with J3 pins 2 & 3 CPU closed NPU mode select asynchronous with J3 pins 1 & 2 CPU closed » Parity check enabled J4 Closed Parity check disabled J4 Open » Shadow BIOS ROM enabled J5 Open Shadow BIOS ROM disabled J5 Closed » DRAM select 0 wait states J7 Closed DRAM select 1 wait state J7 Open » Bus speed select ATCLK/2 J8 Open Bus speed select ATCLK/3 J8 Closed » CPU speed select switchable at J14 Open turbo switch CPU speed select switchable at J14 pins 1 & 2 keyboard closed » Monitor type select monochrome J15 Open Monitor type select color J15 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (4) 44256 NONE NONE NONE 1MB (4) 44256 (4) 44256 NONE NONE 2MB NONE NONE (16) 441000 NONE 4MB NONE NONE (16) 441000 (16) 441000 Note: Bank 0 = U65, U69, U74, U78, Bank 1 = U39, U43, U50, U54, Bank 2 = U65 - U72, U74 - U81, Bank 3 = U39 - U46, U50 - U57 DRAM PARITY CONFIGURATION Size U38 U49 U64 U73 512KB NONE NONE (1) 41256 (1) 41256 1MB (1) 41256 (1) 41256 (1) 41256 (1) 41256 2MB NONE NONE (1) 411000 (1) 411000 4MB (1) 411000 (1) 411000 (1) 411000 (1) 411000 DRAM JUMPER CONFIGURATION Size J6 J10 512KB Open pins 2 & 3 closed 1MB Open pins 2 & 3 closed 2MB Closed pins 1 & 2 closed 4MB Closed pins 1 & 2 closed