ELITEGROUP COMPUTER SYSTEMS, INC.

SC58P VIO/S

Processor             CX M1/Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              SIS
Video Chip Set        Cirrus Logic
Maximum Onboard       128MB (EDO supported)
Memory
Maximum Video Memory  2MB
Cache                 256/512KB
BIOS                  AMI
Dimensions            330mm x 218mm
I/O Options           Floppy drive interface, IDE interfaces (2), parallel
                      port, PS/2 mouse port, serial ports (2), VGA feature
                      connector, VGA port, riser slot, IR connector
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose                Location

  PS/2 mouse port            J2         Turbo LED                J14

  Floppy drive               J5         Reset switch             J15
  interface

  VGA feature                J6         IR connector             JP1
  connector

  IDE interface 2            J7         Parallel port             P1

  IDE interface 1            J8         Serial port 1             P2

  IDE interface LED     J12 pins 1 &    Serial port 2             P3
                             2

  Power LED             J12 pins 3 -    VGA port                  P4
                             5

  Chassis fan power         J13         Riser slot               SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   CMOS memory normal operation             J9           Pins 1 & 2
                                                              closed

      CMOS memory clear                        J9           Pins 2 & 3
                                                              closed

  »   On board video enabled                  JP3             Closed

      On board video disabled                 JP3              Open

  »   Flash BIOS voltage select 12v           JP11          Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP11          Pins 2 & 3
                                                              closed

  »   Floppy drive write protect              JP21          Pins 1 & 2
      disabled                                                closed

      Floppy drive write protect              JP21          Pins 2 & 3
      enabled                                                 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

     96MB        (2) 8M x 36   (2) 4M x 36

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

  Note: Board accepts EDO memory.

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

      None           None            None        (1) 32K x 8

   256KB (A)         None         (8) 32K x 8    (1) 32K x 8

   256KB (B)     (2) 32K x 32        None        (1) 32K x 8

     512KB           None         (8) 64K x 8    (1) 32K x 8

        CACHE JUMPER CONFIGURATION

        Size                 JP13

        None          Pins 1 & 2 closed

      256KB (A)       Pins 1 & 2 closed

      256KB (B)       Pins 1 & 2 closed

        512KB         Pins 2 & 3 closed

                  VIDEO MEMORY CONFIGURATION

        Size                Bank 0               Bank 1

         1MB            (2) 256K x 16             None

         2MB            (2) 256K x 16        (2) 256K x 16

  Note: Bank 0 is factory installed and is not configurable.

                       CPU SPEED SELECTION (CYRIX)

   CPU speed    Clock speed     Multiplier       JP14           JP17

    120MHz         50MHz            2x           1 & 2          1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU speed      Clock speed     Multiplier        JP14         JP17

     75MHz           50MHz           1.5x          1 & 2         Open

     90MHz           60MHz           1.5x          3 & 4         Open

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

     120MHz          60MHz            2x           3 & 4         1 & 2

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

     150MHz          60MHz           2.5x          3 & 4       1 & 2, 3 &
                                                                   4

     166MHz          66MHz           2.5x        1 & 2, 3 &    1 & 2, 3 &
                                                     4             4

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

                 Type                                 JP22

                   Cyrix                        Pins 2 & 3 closed

  »                Intel                        Pins 1 & 2 closed

                           CPU VOLTAGE SELECTION

                Voltage                                JP19

                    3.3v                        Pins 1 & 2 closed

  »             3.525v (VRE)                    Pins 3 & 4 closed