NCR CORPORATION

MODEL 3332 DESKSIDE PC80486AT

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   16/20/25/33/50(internal)/66(internal)MHz
Chip Set          Unidentified
Video Chip Set    Unidentified
Maximum Onboard   64MB
Memory
Maximum Video     1MB
Memory
Cache             64/256KB
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       Floppy drive interface, IDE interface, parallel port,
                  PS/2 mouse port, serial ports (2), VGA port
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  IDE interface LED            J1       Serial port 2              J26

  Keylock                      J2       Serial port 1              J28

  Chassis fan power            J3       Parallel port              J29

  Speaker                      J7       VGA port                   J30

  Floppy drive interface       J16      PS/2 mouse port            J31

  IDE interface                J17

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   Internal speaker enabled                 J7           Pins 1 & 2
                                                              closed

      Internal speaker disabled                J7              Open

      External speaker connected               J7           Pins 2 & 3
                                                              closed

  »   On board video enabled                 SW1/4             Off

      On board video disabled                SW1/4              On

  »   Password enabled                       SW1/5             Off

      Password disabled                      SW1/5              On

  »   Monitor type select color              SW1/6              On

      Monitor type select monochrome         SW1/6             Off

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     4MB        (1) 1M x 36       None           None          None

     8MB        (1) 1M x 36   (1) 1M x 36        None          None

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36       None

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     16MB       (1) 4M x 36       None           None          None

     20MB       (1) 1M x 36   (1) 4M x 36        None          None

     24MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36       None

     28MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36    (1) 4M x 36

     32MB       (1) 4M x 36   (1) 4M x 36        None          None

     36MB       (1) 1M x 36   (1) 4M x 36    (1) 4M x 36       None

     40MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36    (1) 4M x 36

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36       None

     52MB       (1) 1M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

  Note: The location of banks 0, 1, 2 & 3 are unidentified.

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (2) 16K x 4

     256KB      (4) 32K x 8    (4) 32K x 8    (2) 16K x 4

                        CACHE SWITCH CONFIGURATION

  Size    SW2/1   SW2/2    SW2/3   SW2/4   SW2/5   SW2/6    SW2/7   SW2/8

  None     Off     Off     Off     Off      Off     Off     Off      Off

  64KB     On      On       On      On      Off     Off     Off      Off

  256KB    Off     Off     Off     Off      On      On       On      On

                   VIDEO MEMORY CONFIGURATION

  Note: The location of the 1MB video memory is unidentified.

          CPU SPEED SELECTION

  Speed     SW1/1     SW1/2    SW1/3

  16MHz      On        On       Off

  20MHz      On        Off       On

  25MHz      Off       On        On

  33MHz      On        On        On

  50iMHz     Off       On        On

  66iMHz     On        On        On

                            CPU TYPE SELECTION

                   Type                                SW1/7

  80487SX/80486DX/80486DX2 not installed                Off

    80487SX/80486DX/80486DX2 installed                   On

   CPU TYPE SELECTION

    Type       SW1/8

  80487SX       On

  80486DX       Off

  80486DX2      Off