
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

