ATC/UNITRON COMPUTERS & COMPUTER PARTS

U 4805 PCI/CACHE

Data Bus                32-bit PCI
Card Size               Half-length, full-length card
Hard Drives supported   Four IDE(AT) drives
Floppy drives supported None


[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  40-pin primary IDE(AT)     CN1      4-pin connector -           JP1
  connector                           drive active LED

  40-pin secondary           CN2
  IDE(AT) connector

                          BIOS ADDRESS SELECTION

          Address                    JP2/A                  JP2/B

             C8000h                 Closed                  Closed

             CC000h                 Closed                   Open

             D8000h                  Open                   Closed

  »          DC000h                  Open                    Open

                        BASE I/O ADDRESS SELECTION

          Address                   JP2/C                   JP2/D

             168h                  Closed                  Closed

             170h                   Open                   Closed

             1E8h                  Closed                   Open

  »          1F0h                   Open                    Open

                  PCI INTERRUPT SELECTION

        INT           JP3/A     JP3/B      JP3/C     JP3/D

        INTA          Closed     Open      Open      Open

        INTB           Open     Closed     Open      Open

        INTC           Open      Open     Closed     Open

        INTD           Open      Open      Open     Closed

               CACHE CONFIGURATION

      Size            Bank 0           Bank 1

      512KB        (1)512KB x 9         None

       1MB         (1)512KB x 9    (2) 256KB x 9

      2.5MB        (1)512KB x 9     (2) 1MB x 9

      8.5MB        (1)512KB x 9     (2) 4MB x 9