APPARAT, INC.

256K MEMORY BOARD (REV. B)

Card Type              Memory
Maximum Onboard Memory 256KB DRAM
I/O Options            N/A
Data Bus               8-bit ISA

[Image]

                        USER CONFIGURABLE SETTINGS

                      Setting                        Label     Position

  Parity enabled                                     SW1/8       Off

  Parity disabled                                    SW1/8        On

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

     64KB       (9) 64K x 1        None          None           None

     128KB      (9) 64K x 1    (9) 64K x 1       None           None

     192KB      (9) 64K x 1    (9) 64K x 1    (9) 64K x 1       None

     256KB      (9) 64K x 1    (9) 64K x 1    (9) 64K x 1    (9) 64K x 1

      DRAM SWITCH CONFIGURATION

  Size     SW1/1    SW1/2    SW1/7

  64KB      Off      Off      Off

  128KB     On        On      Off

  192KB     On        On      Off

  256KB     On        On       On

          STARTING MEMORY ADDRESS SELECTION

  Setting    SW1/3      SW1/4      SW1/5      SW1/6

    0KB       Off        Off        Off        Off

   64KB        On        Off        Off        Off

   128KB      Off         On        Off        Off

   192KB       On         On        Off        Off

   256KB      Off        Off        On         Off

   320KB       On        Off        On         Off

   384KB      Off         On        On         Off

   448KB       On         On        On         Off

   512KB      Off        Off        Off        On

   576KB       On        Off        Off        On

   640KB      Off         On        Off        On

   704KB       On         On        Off        On

   768KB      Off        Off        On         On

   832KB       On        Off        On         On

   896KB      Off         On        On         On

   960KB       On         On        On         On