UNIDENTIFIED WIZ-286 KW-533B/C Processor 80286 Processor Speed 12MHz Chip Set SMD Max. Onboard DRAM 4MB Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options Serial ports (2) NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Serial port A J3 Turbo switch JP11 Serial port B J4 Speaker JP12 External battery J5 Power LED & keylock JP13 Turbo LED JP10 Reset switch JP14 USER CONFIGURABLE SETTINGS » Monitor type select color JP1 closed Monitor type select monochrome JP1 open JP2 pins 2 & 3 closed Serial port A (J3) ready signal normal JP3 pins 2 & 3 closed, JP4 pins 2 & 3 closed JP2 pins 1 & 2 closed, Serial port A (J3) ready signal forced active JP3 pins 1 & 2 JP4 closed, pins 1 & 2 closed JP5 pins 2 & 3 closed Serial port B (J4) ready signal normal JP6 pins 2 & 3 closed JP7 pins 2 & 3 closed JP5 pins 1 & 2 closed Serial port B (J4) ready signal forced active JP6 pins 1 & 2 closed, JP7 pins 1 & 2 closed » Factory configured - do not alter JP8 N/A » DMA select synchronous with RSYSCLK JP9 pins 2 & 3 closed DMA select synchronous with DMACLK JP9 pins 1 & 2 closed BIOS type select 27128 JP15 pins 1 & 2 closed BIOS type select 27256 JP15 pins 2 & 3 closed BIOS type select ROM JP16 pins 2 & 3 closed BIOS type select EPROM JP16 pins 1 & 2 closed » Factory configured - do not alter SW1/switch 1 N/A » Factory configured - do not alter SW1/switch 5 N/A » Bus speed select ATCLK/1 SW1/switch 6 open Bus speed select ATCLK/2 SW1/switch 6 closed » DMA speed select CPU/1 SW1/switch 7 open DMA speed select CPU/2 SW1/switch 7 closed » Factory configured - do not alter SW1/switch 8 N/A IRQ JUMPER CONFIGURATION Line JIRQ for Serial port A JIRQ for Serial port B IRQ3 pins 1 & 2 closed pins 2 & 3 closed IRQ4 pins 4 & 5 closed pins 5 & 6 closed IRQ5 pins 7 & 8 closed pins 8 & 9 closed IRQ9 pins 10 & 11 closed pins 11 & 12 closed IRQ10 pins 13 & 14 closed pins 14 & 15 closed IRQ11 pins 16 & 17 closed pins 17 & 18 closed IRQ12 pins 19 & 20 closed pins 20 & 21 closed IRQ15 pins 22 & 23 closed pins 23 & 24 closed SERIAL PORT A CONFIGURATION I/O Address SW2/Switch 1 SW2/Switch 2 SW2/Switch 3 COM1 closed closed open COM2 closed open closed COM3 closed open open COM4 open closed closed COM5 open closed open COM6 open open closed COM7 open open open SERIAL PORT B CONFIGURATION I/O Address SW2/Switch 4 SW2/Switch 5 SW2/Switch 6 COM2 closed closed open COM3 closed open closed COM4 closed open open COM5 open closed closed COM6 open closed open COM7 open open closed COM8 open open open DRAM CONFIGURATION Size DIP Location Parity Location 512KB (4) 44256 U66, U67, (2) 41256 U68, U77 U75, U76 1MB (8) 44256 U48, U49, (4) 41256 U50, U59, U68, U57, U58, U77 U66, U67, U75, U76 2MB (16) 411000 U60 - U67, (2) 411000 U68, U77 U69 - U77 4MB (32) 411000 U42 - U49, (4) 411000 U50, U59, U68, U51 - U58 U77 U60 - U67, U69 - U76 DRAM JUMPER CONFIGURATION Size SW1/switch 2 SW1/switch 3 SW1/switch 4 512KB N/A open open 1MB closed closed open 2MB N/A open closed 4MB N/A closed closed