
ELITEGROUP COMPUTER SYSTEMS, INC.

AL486 VIO-U3/VIO-I

Processor  CXM6/80486SX/SL80486SX/80486SX2/SL80486SX2/80487SX/
           CX486DX/AM486DX/AM486DXL/80486DX/SL8046DX/CX486DX2/
           AM486DX2/AM486DXL2/80486DX2/SL80486DX2/8046DX4
Processor  25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Acer
Maximum    64MB
Onboard
Memory
Cache      64/128/256KB
BIOS       Phoenix
Dimensions 330mm x 218mm
I/O        32-bit VESA local bus slot, floppy drive interface, green PC
Options    connector, IDE interface, parallel port, PS/2 mouse port, serial
           ports (2), feature connector, VGA port, riser slot, modem ring
           in connector
NPU        None
Options

[Image]

                                CONNECTIONS

        Function           Label            Function             Label

  Parallel port              J1        Modem ring in              JP8
                                       connector

  Serial port 2              J2        Green PC connector         JP9

  Serial port 1              J3        Turbo LED                 JP85

  VGA port                   J4        Turbo switch              JP86

  External battery           J5        Reset switch              JP87

  Feature connector          J7        Speaker                   JP88

  IDE interface              J9        IDE interface LED         JP89

  Floppy drive              J10        Riser slot                 SL1
  interface

  Power LED & keylock       J11        32-bit VESA local          SL2
                                       bus slot

  PS/2 mouse port           JP2

                        USER CONFIGURABLE SETTINGS

                 Setting                     Label           Position

      BIOS type select EPROM                  JP4              Open

      Flash BIOS voltage select 12v           JP4           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP4           Pins 2 & 3
                                                              closed

      Monitor type select normal              JP5           Pins 1 & 2
                                                              closed

      Monitor type select CGA                 JP5           Pins 2 & 3
                                                              closed

      On board VGA enabled                    JP6           Pins 1 & 2
                                                              closed

      On board VGA disabled                   JP6           Pins 2 & 3
                                                              closed

      On board I/O enabled                    JP12          Pins 1 & 2
                                                              closed

      On board I/O disabled                   JP12          Pins 2 & 3
                                                              closed

      EPP & ECP enabled                       JP21            Closed

      EPP & ECP disabled                      JP21             Open

      Parallel port IRQ select IRQ7           JP24          Pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5           JP24          Pins 2 & 3
                                                              closed

      IDE interface enabled                   JP50          Pins 1 & 2
                                                              closed

      IDE interface disabled                  JP50          Pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP76             Open

     Factory configured - do not alter       JP77             Open

     Factory configured - do not alter       JP99             N/A

  Note: The location of JP76 & JP77 are unidentified.

                                   DRAM

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        None           None           None
                    36

     2MB        (1) 256K x     (1) 256K x        None           None
                    36             36

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        None
                    36             36             36

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

     4MB        (1) 512K x     (1) 256K x     (1) 256K x        None
                    36             36             36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     5MB       (1) 1M x 36     (1) 256K x        None           None
                                   36

     5MB        (1) 256K x    (1) 1M x 36        None           None
                    36

     6MB       (1) 1M x 36     (1) 256K x     (1) 256K x        None
                                   36             36

     7MB       (1) 1M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

     9MB        (1) 256K x    (1) 1M x 36    (1) 1M x 36        None
                    36

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

     13MB       (1) 256K x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

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

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

     17MB      (1) 4M x 36     (1) 256K x        None           None
                                   36

     17MB       (1) 256K x    (1) 4M x 36        None           None
                    36

     18MB      (1) 4M x 36     (1) 256K x     (1) 256K x        None
                                   36             36

     19MB      (1) 4M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

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

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

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

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

     33MB       (1) 256K x    (1) 4M x 36    (1) 4M x 36        None
                    36

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

     49MB       (1) 256K x    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36
                    36

     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 orientation of the banks is unidentified.

                        CACHE SIZE

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        None       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                               CACHE JUMPER

      Size               JP41               JP74               JP75

      64KB               Open               Open            Pins 1 & 2
                                                              closed

      128KB        Pins 1 & 2 closed       Closed           Pins 2 & 3
                                                              closed

      256KB        Pins 1 & 2, 3 & 4       Closed           Pins 1 & 2
                        closed                                closed

                                 CPU TYPE

   Setting        JP54        JP60        JP61        JP62         JP63

     CXM6        Closed       Open       1 & 2        Open        3 & 4

   80486SX        Open        Open       2 & 3        Open         Open

  SL80486SX      Closed       Open       1 & 2       Closed       1 & 2

   80486SX2       Open        Open       2 & 3        Open         Open

  SL80486SX2     Closed       Open       1 & 2       Closed       1 & 2

   80487SX        Open        1 & 2      2 & 3        Open         Open

   CX486DX       Closed       2 & 3      1 & 2        Open        3 & 4

   AM486DX        Open        2 & 3      2 & 3        Open         Open

   AM486DXL      Closed       2 & 3      2 & 3       Closed       5 & 6

   80486DX        Open        2 & 3      2 & 3        Open         Open

  SL80486DX      Closed       2 & 3      1 & 2       Closed       1 & 2

   CX486DX2      Closed       2 & 3      1 & 2        Open        3 & 4

   AM486DX2       Open        2 & 3      2 & 3        Open         Open

  AM486DXL2      Closed       2 & 3      2 & 3       Closed       5 & 6

   80486DX2       Open        2 & 3      2 & 3        Open         Open

  SL80486DX2     Closed       2 & 3      1 & 2       Closed       1 & 2

   80486DX4      Closed       2 & 3      1 & 2       Closed       1 & 2

  Note: Pins designated should be in the closed position.

                             CPU TYPE (CONT)

    Setting          JP64          JP66           JP70           JP73

      CXM6          2 & 3         1 & 2           Open           3 & 4

    80486SX         2 & 3         1 & 2           Open           Open

   SL80486SX        2 & 3         1 & 2           Open           1 & 2

    80486SX2        2 & 3         1 & 2           Open           Open

   SL80486SX2       2 & 3         1 & 2           Open           1 & 2

    80487SX       1 & 2, 3 &      1 & 2           Open           Open
                      4

    CX486DX       1 & 2, 3 &      1 & 2           Open           3 & 4
                      4

    AM486DX       1 & 2, 3 &      1 & 2           Open           Open
                      4

    AM486DXL      1 & 2, 3 &      1 & 2           Open           5 & 6
                      4

    80486DX       1 & 2, 3 &      1 & 2           Open           Open
                      4

   SL80486DX      1 & 2, 3 &      1 & 2           Open           1 & 2
                      4

    CX486DX2      1 & 2, 3 &      1 & 2          Closed          3 & 4
                      4

    AM486DX2      1 & 2, 3 &      1 & 2           Open           Open
                      4

   AM486DXL2      1 & 2, 3 &      1 & 2           Open           5 & 6
                      4

    80486DX2      1 & 2, 3 &      1 & 2           Open           Open
                      4

   SL80486DX2     1 & 2, 3 &      1 & 2           Open           1 & 2
                      4

    80486DX4      1 & 2, 3 &      1 & 2           Open           1 & 2
                      4

  Note: Pins designated should be in the closed position.

                 CPU TYPE

  Setting     JP40       JP42      JP44

  CX486M6    Closed      Open     Closed

  CX486M7     Open       Open     Closed

    AMD       Open       Open      Open

   Intel      Open       Open      Open

                           CPU TYPE

       Setting               JP65                 JP82

     CX486M6/M7        Pins 2 & 3 closed   Pins 2 & 3 closed

         AMD                 Open          Pins 1 & 2 closed

        Intel                Open                 Open

                 CPU TYPE

       Setting               JP83

    All CPU types     Pins 1 & 2 closed

    80486DX4 only     Pins 2 & 3 closed

         CPU TYPE (80486DX4 ONLY)

       Setting               JP81

         2x           Pins 2 & 3 closed

         3x                  Open

                                 CPU SPEED

   Setting         JP37           JP43           JP53           JP55

    25MHz       Pins 1 & 2,     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
               5 & 6 closed      closed         closed         closed

    33MHz       Pins 3 & 4,     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
               5 & 6 closed      closed         closed         closed

    40MHz       Pins 1 & 2,     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
               3 & 4 closed      closed         closed         closed

   50iMHz       Pins 1 & 2,     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
               5 & 6 closed      closed         closed         closed

   66iMHz       Pins 3 & 4,     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
               5 & 6 closed      closed         closed         closed

   75iMHz       Pins 1 & 2,     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
               5 & 6 closed      closed         closed         closed

   100iMHz      Pins 3 & 4,     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
               5 & 6 closed      closed         closed         closed

                                CPU VOLTAGE

    Setting          JP67           JP79          JP80           JP84

     3.3v         Pins 2 & 3        Open          Open          Closed
                    closed

     3.45v        Pins 2 & 3       Closed         Open           Open
                    closed

      5v          Pins 1 & 2        Open         Closed          Open
                    closed

                         DMA CHANNEL

       Setting               JP15                 JP16

        DMA1           Pins 2 & 3 closed   Pins 1 & 2 closed

        DMA3           Pins 1 & 2 closed   Pins 2 & 3 closed

