UNIDENTIFIED BIAT-12/BIAT-16/BIAT-20/BIAT-24 Processor 80286 Processor Speed 12/16/20/24MHz Chip Set C & T NEAT Max. Onboard DRAM 4MB Cache None BIOS Phoenix Dimensions 330mm x 218mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Turbo switch J2 Speaker J6 Turbo LED J3 Power LED & keylock J7 Reset switch J4 External battery J26 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color J5 Closed Monitor type select monochrome J5 Open » BIOS type select 27256 J8 pins 1 & 2 closed BIOS type select 27128 J8 pins 2 & 3 closed » I/O bus select 0 wait states JP1 pins 1 & 2 closed I/O bus select 1 wait state JP1 pins 2 & 3 closed » NPU mode select synchronous with JP2 pins 1 & 2 CPU closed NPU mode select synchronous with JP2 pins 2 & 3 oscillator at OSC1 closed » Keyboard controller set on pin 23 JP3 pins 1 & 2 closed Keyboard controller set on pin 27 JP3 pins 3 & 4 closed Keyboard controller set on pin 30 JP3 pins 5 & 6 closed DRAM CONFIGURATION Size Bank 0 Bank 1 512KB (18) 41256 NONE 640KB (18) 41259 (18) 4164 1MB (18) 41256 (18) 41256 2MB (18) 411000 NONE 4MB (18) 411000 (18) 411000