APPARAT, INC.

256K MEMORY BOARD (REV. A)

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                                     SW1/1       Off

  Parity disabled                                    SW1/1        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     SW1/2    SW1/7    SW1/8

  64KB      Off      Off      Off

  128KB     Off       On       On

  192KB     Off       On       On

  256KB     On        On       On

          STARTING MEMORY ADDRESS SELECTION

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

    0KB       Off        Off        Off        Off

   64KB       Off        Off        On         Off

   128KB      Off        Off        Off        On

   192KB      Off        Off        On         On

   256KB       On        Off        Off        Off

   320KB       On        Off        On         Off

   384KB       On        Off        Off        On

   448KB       On        Off        On         On

   512KB      Off         On        Off        Off

   576KB      Off         On        On         Off

   640KB      Off         On        Off        On

   704KB      Off         On        On         On

   768KB       On         On        Off        Off

   832KB       On         On        On         Off

   896KB       On         On        Off        On

   960KB       On         On        On         On