DELL COMPUTER CORPORATION

OPTIPLEX GM/GM+

Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              Intel
Video Chip Set        S3
Maximum Onboard       128MB (EDO supported)
Memory
Maximum Video Memory  2MB
Cache                 256KB
BIOS                  Unidentified
Dimensions            330mm x 218mm
I/O Options           Ethernet 10BaseT connector, floppy drive interface,
                      IDE interfaces (2), parallel port, PS/2 mouse port,
                      serial ports (2), VESA feature connector, VGA port,
                      riser slot, cache slot, ATX power connector
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Ethernet 10BaseT           CN6
                                       connector

  Front panel connector       C1       IDE interface 1            CN7

  IDE interface LED           C2       IDE interface 2            CN8

  IDE interface LED           C3       Floppy drive               CN9
                                       interface

  VGA port                   CN1       Chassis fan power          CN10

  Parallel port              CN2       VESA feature               CN15
                                       connector

  Serial port 2              CN3       Cache slot                 SL1

  Serial port 1              CN4       Riser slot                 SL2

  PS/2 mouse port            CN5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   Factory configured - do not alter        J2              Open

  »   Password enabled                         J3             Closed

      Password disabled                        J3              Open

  »   NIC setting normal operation            J10              Open

      NIC setting clear                       J10             Closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 32      None

     16MB        (2) 2M x 32      None

     16MB        (2) 1M x 32   (2) 1M x 32

     24MB        (2) 2M x 32   (2) 1M x 32

     32MB        (2) 4M x 32      None

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

     40MB        (2) 4M x 32   (2) 1M x 32

     48MB        (2) 4M x 32   (2) 2M x 32

     64MB        (2) 8M x 32      None

     64MB        (2) 4M x 32   (2) 4M x 32

     72MB        (2) 8M x 32   (2) 1M x 32

     80MB        (2) 8M x 32   (2) 2M x 32

     96MB        (2) 8M x 32   (2) 4M x 32

     128MB       (2) 8M x 32   (2) 8M x 32

  Note: Board accepts EDO memory.

                CACHE CONFIGURATION

           Size                      SL1

          256KB            256KB module installed

                      VIDEO MEMORY CONFIGURATION

  Note: The location of the banks and the chip size is unidentified.

                            CPU SPEED SELECTION

  CPU speed     Clock     Multiplier       J1          J4          J5
               speed

   75MHz       50MHz         1.5x         Open        Open        Open

   90MHz       60MHz         1.5x         Open        Open        Open

   100MHz      66MHz         1.5x         Open        Open        Open

   120MHz      60MHz          2x          Open        Open        Open

   133MHz      66MHz          2x          Open        Open       Closed

   150MHz      60MHz         2.5x         Open       Closed       Open

   166MHz      66MHz         2.5x        Closed       Open        Open

                        CPU SPEED SELECTION (CON’T)

    CPU      Clock    Multiplier      J6        J7        J8        J9
  speed     speed

  75MHz     50MHz        1.5x        Open      Open      Open     Closed

  90MHz     60MHz        1.5x        Open      Open     Closed     Open

  100MHz    66MHz        1.5x        Open     Closed     Open      Open

  120MHz    60MHz         2x        Closed     Open      Open      Open

  133MHz    66MHz         2x         Open      Open      Open      Open

  150MHz    60MHz        2.5x        Open      Open      Open      Open

  166MHz    66MHz        2.5x        Open      Open      Open      Open