INFORMTECH INTERNATIONAL, INC. 286/SUPRA (MODEL B) Processor 80286 Processor Speed 6/8/10/12/16/20MHz Chip Set C & T Max. Onboard DRAM 4MB SRAM Cache None BIOS Award Dimensions 330mm x 218mm I/O Options 16-bit external memory card slot, auxillary keyboard connector NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Auxiliary keyboard J9 Power LED & keylock P5 Turbo LED P2 External battery P8 Speaker P3 16-bit external S1 memory card Reset switch P4 USER CONFIGURABLE SETTINGS Function Jumper/Switch Position BIOS type select 27256 J4 pins 2 & 3 closed BIOS type select 27128 J4 pins 1 & 2 closed » Keyboard controller clock J5 pins 1 & 2 speed select 6MHz closed Keyboard controller clock J5 pins 2 & 3 speed select 12MHz closed Battery type select Alkaline J7 closed 4.5VDC Battery type select Lithium J7 open 6VDC » Power good signal detect J8 pins 2 & 3 from power supply closed Power good signal detect J8 pins 1 & 2 from board closed Monitor type select color SW1/Switch 3 closed Monitor type select SW1/Switch 3 open monochrome CPU SPEED/BUS CLOCK CONFIGURATION CPU Speed AT Bus J2 J3 J10 J13 J14 Speed 20MHz 8MHz pins 1 pins 1 pins 2 open open & 2 & 2 & 3 20MHz 10MHz N/A pins 1 pins 2 closed open & 2 & 3 20MHz 12MHz pins 2 pins 1 pins 2 open open & 3 & 2 & 3 16MHz 8MHz pins 1 pins 1 pins 1 open open & 2 & 2 & 2 16MHz 12MHz pins 2 pins 1 pins 1 open open & 3 & 2 & 2 12MHz 6MHz N/A pins 2 N/A closed open & 3 12MHz 8MHz pins 1 pins 2 N/A open open & 2 & 3 12MHz 12MHz pins 2 N/A N/A open closed & 3 10MHz 10MHz N/A pins 1 pins 2 closed closed & 2 & 3 8MHz 8MHz pins 1 N/A N/A open closed & 2 6MHz 6MHz N/A pins 2 N/A closed closed & 3 Note:Pins designated should be in the closed position. NPU CLOCK RATE CONFIGUARATION NPU Speed Clock Rate SW1/Switch 1 SW1/Switch 2 80287-8 6MHz closed closed 80287-8 8MHz closed open 80287-10 10MHz open closed 80287-12 12MHz open open DRAM CONFIGURATION Size Bank 0 Bank 1 J11 J12 512KB (2) 256K x NONE open open 9 1MB (2) 256K x (2) 256K x closed open 9 9 2MB (2) 1M x 9 NONE open closed 4MB (2) 1M x 9 (2) 1M x 9 closed closed