ADAPTEC, INC.

AMM-1525M

Card Type               Hard drive controller/Sound card
Hard Drives supported   Two IDE/ATAPI drives

                        Up to 7 SCSI devices
Floppy drives supported None
Data Bus                16-bit ISA
Card Size               Three-quarter length, full-height

[Image]

                                CONNECTIONS

      Function         Location            Function             Location

  40-pin primary         CN1      Line in                         CN5
  IDE/ATAPI
  connector

  50-pin SCSI            CN2      Line out                        CN6
  connector -
  internal

  16-pin game/MIDI       CN3      Headphones/speakers             CN7
  port

  Microphone in          CN4      CD audio in                      J3

                        USER CONFIGURABLE SETTINGS

               Function                      Label           Position

  »   IDE port address enabled           J4/pins 1 & 2         Open

      IDE port address disabled          J4/pins 1 & 2        Closed

  »   IDE is secondary in system at      J4/pins 3 & 4        Closed
      170h port address

      IDE is primary in system at        J4/pins 3 & 4         Open
      1F0h port address

  »   Sound chip base address is 220h         J9             Pins 1 & 2
                                                              closed

      Sound chip base address is 240h         J9             Pins 2 & 3
                                                              closed

  »   I/O port address is 340h               J10/E             Open

      I/O port address is 140h               J10/E            Closed

                         SCSI INTERRUPT SELECTION

       IRQ            J10/A         J10/B         J10/C         J10/D

         IRQ9         Open          Open          Open          Closed

        IRQ10         Open          Open         Closed          Open

  »     IRQ11         Open         Closed         Open           Open

        IRQ12        Closed         Open          Open           Open

                       MISCELLANEOUS TECHNICAL NOTES

  SCSI termination on the controller is always enabled and cannot be
  changed since the controller is always at one end of the SCSI bus.