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 | 

| 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 | |
| 
 | 
 Serial port A (J3) ready signal normal | JP2 JP3 JP4 | pins 2 & 3 closed pins 2 & 3 closed, pins 2 & 3 closed | |
| 
 | 
 Serial port A (J3) ready signal forced active | JP2 JP3 JP4 | pins 1 & 2 closed, pins 1 & 2 closed, pins 1 & 2 closed | |
| 
 | 
 Serial port B (J4) ready signal normal | JP5 JP6 JP7 | pins 2 & 3 closed pins 2 & 3 closed pins 2 & 3 closed | |
| 
 | 
 Serial port B (J4) ready signal forced active | JP5 JP6 JP7 | pins 1 & 2 closed pins 1 & 2 closed, 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, U75, U76 | (2) 41256 | U68, U77 | 
| 1MB | (8) 44256 | U48, U49, U57, U58, U66, U67, U75, U76 | (4) 41256 | U50, U59, U68, U77 | 
| 2MB | (16) 411000 | U60 - U67, U69 - U77 | (2) 411000 | U68, U77 | 
| 4MB | (32) 411000 | U42 - U49, U51 - U58 U60 - U67, U69 - U76 | (4) 411000 | U50, U59, U68, U77 | 
| 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 |