
IBM CORPORATION

PC 330/350 SERIES (TYPE 65X6) (100-166MHZ)

Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              Unidentified
Video Chip Set        Unidentified
Maximum Onboard       128MB
Memory
Maximum Video Memory  1MB
Cache                 256KB
BIOS                  Unidentified
Dimensions            254mm x 218mm
I/O Options           Floppy drive interface, IDE interfaces (2), parallel
                      port, PS/2 mouse port, serial ports (2), VESA
                      feature connector, VGA port, riser slot
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  VGA port                    CN1      Floppy drive interface      CN9

  Parallel port               CN2      Chassis fan power           J1

  Serial port 2               CN3      IDE interface LED           J2

  Serial port 1               CN4      Power LED                   J3

  PS/2 mouse port             CN5      Front panel connector       J4

  VESA feature connector      CN6      Front panel connector       J5

  IDE interface               CN7      Riser slot                  SL1

  IDE interface               CN8

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Flash BIOS normal operation             J4A2          Pins 1 & 2
                                                              closed

      Flash BIOS flash enabled                J4A2          Pins 2 & 3
                                                              closed

     Setup access enabled                    J4K1          Pins 4 & 5
                                                              closed

      Setup access disabled                   J4K1          Pins 5 & 6
                                                              closed

     CMOS memory normal operation            J4K2          Pins 1 & 2
                                                              closed

      CMOS memory clear                       J4K2          Pins 2 & 3
                                                              closed

     Password normal operation               J4K2          Pins 4 & 5
                                                              closed

      Password clear                          J4K2          Pins 5 & 6
                                                              closed

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           8MB                 (2) 1M x 36                  None

          16MB                 (2) 2M x 36                  None

          16MB                 (2) 1M x 36              (2) 1M x 36

          24MB                 (2) 2M x 36              (2) 1M x 36

          32MB                 (2) 4M x 36                  None

          32MB                 (2) 2M x 36              (2) 2M x 36

          40MB                 (2) 4M x 36              (2) 1M x 36

          48MB                 (2) 4M x 36              (2) 2M x 36

          64MB                 (2) 8M x 36                  None

          64MB                 (2) 4M x 36              (2) 4M x 36

          72MB                 (2) 8M x 36              (2) 1M x 36

          80MB                 (2) 8M x 36              (2) 2M x 36

          128MB                (2) 8M x 36              (2) 8M x 36

  Note: Board also accepts x 32 SIMMs. The location of banks 0 & 1 are
  unidentified.

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

                        VIDEO MEMORY CONFIGURATION

          Size                    Bank 0                   Bank 1

          512KB                   512KB                     None

           1MB                    512KB                    512KB

            Note: Bank 0 is factory installed and is not configurable.
            The size of the video memory chips are unidentified.

                            CPU SPEED SELECTION

  CPU speed      Clock       Multiplier      J4J1       J4J2       J4K1
                 speed

    75MHz        50MHz          1.5x       2 & 3, 4   2 & 3, 4    2 & 3
                                             & 5        & 5

    90MHz        60MHz          1.5x       2 & 3, 5   2 & 3, 4    1 & 2
                                             & 6        & 5

   100MHz        66MHz          1.5x       1 & 2, 4   2 & 3, 4    1 & 2
                                             & 5        & 5

   120MHz        60MHz           2x        2 & 3, 5   2 & 3, 5    1 & 2
                                             & 6        & 6

   133MHz        66MHz           2x        1 & 2, 4   2 & 3, 5    1 & 2
                                             & 5        & 6

   150MHz        60MHz          2.5x       2 & 3, 5   1 & 2, 5    1 & 2
                                             & 6        & 6

   166MHz        66MHz          2.5x       1 & 2, 4   1 & 2, 5    1 & 2
                                             & 5        & 6

  Note: Pins designated should be in the closed position.

