
ELITEGROUP COMPUTER SYSTEMS, INC.

UM 486V AIO

Processor        80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed  25/33/50(internal)/50/66(internal)MHz
Chip Set         UMC
Max. Onboard     32MB
DRAM
Cache            64/128/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slots (2), floppy drive interface,

                 game port, IDE interface, parallel port, serial ports (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External battery            J1       Turbo LED                  J10

  Game port                   J2       Turbo switch               J11

  Parallel port               J4       Reset switch               J12

  Serial port 1               J5       Speaker                    J13

  Serial port 2               J6       Power LED & keylock        J14

  Floppy drive                J8       IDE LED connector          JP12
  interface

  IDE interface               J9       32-bit VESA Local bus    S1 & S2
  connector                            slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Game port enabled                       JP1           pins 1 & 2
                                                              closed

      Game port disabled                      JP1           pins 2 & 3
                                                              closed

     Floppy drive interface enabled          JP6           pins 1 & 2
                                                              closed

      Floppy drive interface disabled         JP6           pins 2 & 3
                                                              closed

     Monitor type select color               JP13          pins 2 & 3
                                                              closed

      Monitor type select monochrome          JP13          pins 1 & 2
                                                              closed

                         SERIAL PORT CONFIGURATION

    Port 1 (J5)      Port 2 (J6)     JP3       JP7       JP8        JP9

        COM1           COM2        pins 1    pins 1    pins 1     pins 1
                                     & 2       & 2       & 2        & 2

         COM1         Disabled      pins 2     N/A      pins 1     pins 1
                                     & 3                 & 2        & 2

       Disabled         COM2        pins 1    pins 1     N/A       pins 2
                                     & 2       & 2                  & 3

         COM3           COM4        pins 1    pins 2    pins 2     pins 1
                                     & 2       & 3       & 3        & 2

         COM3         Disabled      pins 2     N/A      pins 2     pins 1
                                     & 3                 & 3        & 2

       Disabled         COM4        pins 1    pins 2     N/A       pins 2
                                     & 2       & 3                  & 3

       Disabled       Disabled      pins 2     N/A       N/A       pins 2
                                     & 3                            & 3

  Note:Pins designated should be in the closed position.

                        PARALLEL PORT CONFIGURATION

        Port              LPT              JP2                 JP4

      Enabled             LPT2          pins 1 & 2      pins 1 & 2 closed
                                          closed

      Disabled            LPT3          pins 2 & 3      pins 2 & 3 closed
                                          closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                    CACHE CONFIGURATION

     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 CONFIGURATION

    Size          JP22           JP23           JP27            JP28

    64KB        pins 1 & 2       Open           Open          pins 1 & 2
                 closed                                        closed

   128KB        pins 2 & 3       Open          Closed         pins 2 & 3
                 closed                                        closed

   256KB        pins 1 & 2      Closed         Closed         pins 2 & 3
                 closed                                        closed

                          CPU TYPE CONFIGURATION

        Type               JP24             JP25               JP26

       80486SX             N/A           pins 2 & 3            Open
                                           closed

   80486SX (PQFP)          Open             N/A                N/A

       80487SX             N/A         pins 1 & 2 and       pins 2 & 3
                                           3 & 4              closed

       80486DX             N/A         pins 1 & 2 and       pins 1 & 2
                                           3 & 4              closed

      80486DX2             N/A         pins 1 & 2 and       pins 1 & 2
                                           3 & 4              closed

  Pentium Overdrive        N/A         pins 1 & 2 and       pins 2 & 3
                                           3 & 4              closed

               CPU SPEED CONFIGURATION

   Speed      JP18       JP19      JP20       JP21

   25MHz     Closed     Closed     Open       Open

   33MHz      Open      Closed     Open       Open

  50i MHz    Closed     Closed     Open       Open

   50MHz      Open       Open      Open       Open

  66i MHz     Open      Closed     Open       Open

              VESA WAIT STATE/BUS SPEED CONFIGURATION

    CPU speed      Wait states          JP15            JP16

      33MHz      0 wait states         Open            Open

     > 33MHz       1 wait state        Closed          Closed

                      IDE CONFIGURATION

       Setting               JP5                 JP10

       Enabled         pins 1 & 2 closed   pins 1 & 2 closed

      Disabled         pins 2 & 3 closed   pins 2 & 3 closed

