
EVEREX SYSTEMS, INC.

TEMPO VAV

Processor         80486SX/80486DX/486Overdrive/80486DX2
Processor Speed   25/33/50(internal)/66(internal)MHz
Chip Set          Unidentified
Maximum Onboard   64MB
Memory
Cache             64/128/2564KB
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       32-bit VESA local bus slots (2), floppy drive interface,
                  IDE interface, parallel port, PS/2 mouse interface,
                  serial ports (2), VGA feature connector, VGA interface
NPU Options       None

[Image]

                                CONNECTIONS

        Function            Label            Function            Label

  VGA interface              CN1       Turbo LED                   J2

  Parallel port              CN2       Power LED & keylock         J3

  Serial ports               CN3       Reset switch                J4

  Floppy drive               CN4       PS/2 mouse interface        J5
  interface

  IDE interface              CN5       IDE interface LED           J6

  VGA feature connector      CN6       32-bit VESA local bus   SL1 & SL2
                                       slots

  Chassis fan power          J1

                        USER CONFIGURABLE SETTINGS

                 Setting                      Label          Position

     On board video enabled                   J10          Pins 2 & 3
                                                              closed

      On board video disabled                  J10          Pins 1 & 2
                                                              closed

     Video IRQ9 disabled                      J11             Open

      Video IRQ9 enabled                       J11            Closed

     Jumper information unavailable           JC7             N/A

     Jumper information unavailable           JP1             N/A

                                   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) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

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

     5MB       (1) 1M x 36     (1) 256K x        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

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

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

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

     17MB      (1) 4M x 36     (1) 256K x        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

     21MB      (1) 4M x 36    (1) 1M x 36     (1) 256K x        None
                                                  36

     22MB      (1) 4M x 36    (1) 1M x 36     (1) 256K x    (1) 256K x 36
                                                  36

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

     34MB      (1) 4M x 36    (1) 4M x 36     (1) 256K x    (1) 256K x 36
                                                  36

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

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

     48MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36        None

     64MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

                 CACHE SIZE

     Size          Bank 0        Bank 1

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

     128KB       (4) 32K x 8      None

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

                               CACHE JUMPER

      Size               JS1               JS2                 JS3

      64KB            Pins 2 & 3        Pins 2 & 3      Pins 2 & 3 closed
                       closed             closed

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

      256KB           Pins 1 & 2        Pins 1 & 2      Pins 1 & 2 closed
                       closed             closed

                                 CPU TYPE

       Setting              JC1              JC2               JC3

       80486SX           Pins 1 & 2       Pins 1 & 2        Pins 1 & 2
                          closed            closed            closed

       80486DX           Pins 2 & 3       Pins 2 & 3        Pins 2 & 3
                          closed            closed            closed

    486 Overdrive        Pins 2 & 3       Pins 2 & 3        Pins 1 & 2
                          closed            closed            closed

      80486DX2           Pins 2 & 3       Pins 2 & 3        Pins 2 & 3
                          closed            closed            closed

                       CPU SPEED

          Setting                       JK5

           25MHz                 Pins 3 & 4 closed

           33MHz             Pins 1 & 2, 7 & 8 closed

           50iMHz                Pins 3 & 4 closed

           66iMHz            Pins 1 & 2, 7 & 8 closed

                       CPU CLOCK SPEED

       Setting               JK1                  JK2

         1x            Pins 1 & 2 closed   Pins 2 & 3 closed

         2x            Pins 2 & 3 closed   Pins 1 & 2 closed

                   VIDEO MEMORY

      Size            Bank 0           Bank 1

       1MB        (1) 256K x 16    (1) 256K x 16

