Integrated SCSI-2 F/W 7025-F50
       ______________________
      |                      |
      | 7025-F50             |
      |                      |
      |   _______________    |     Recommended values
      |  |   |   |   |   |   |     A1 CD-ROM ID 4
      |  |   |   |   |   |   |     A2 Diskette Drive
      |  |B1 |B2 |A1 |A2 |   |     B1 Open SCSI Bay Non Hot-Pluggable ID 6
      |  |   |   |   |___|   |     B2 Open SCSI Bay Non Hot-Pluggable ID 5
      |  |   |   |   |XXX|   |
      |  |___|___|___|XXX|_  |
      |  |  |  |  |  |  |  | |     Bank C   1st 6-Pack
      |  |  |  |  |  |  |  | |     Bays 1 - 6
      |  |  |  |  |  |  |  | |     SCSI IDs 8 - 13
      |  |__|__|__|__|__|__| |
      |  |  |  |  |  |  |  | |     Bank D   2nd 6-Pack
      |  |  |  |  |  |  |  | |     Bays 1 - 6
      |  |  |  |  |  |  |  | |     SCSI IDs 8 - 13
      |  |__|__|__|__|__|__| |
      |  |  |  |  |  |  |  | |     Bank E   3rd 6-Pack
      |  |  |  |  |  |  |  | |     Bays 1 - 6
      |  |  |  |  |  |  |  | |     SCSI IDs 8 - 13
      |  |__|__|__|__|__|__| |
     _|______________________|_

          7025-F50 has 2 integrated SCSI FW controllers


 F50 disk subsystem has 2 integrated SCSI-2 Fast/Wide controllers.



                              SCSI FW Single-Ended

 The standard configuration controls 6-pack #1 and the removable media devices
 (for example, CD-ROM) with the first integrated SCSI-2 F/W controller.

 #2443 : Option to disconnect the first SCSI 6-pack from the media devices.
   It provides cable and terminator. The terminator terminates the base cable
   from the media devices when disconnected from the first SCSI 6-pack. The
   cable provides a connection from the second integrated SCSI controller to
   the first 6-pack.

 #6519 : Additional SCSI 6-packs can be added in Bank D and E. Each #6519 added
   must be driven by a PCI SCSI-2 SE FW Adapter #6208 4-A FRU 11H8085 and
   connected via cable #2447 FRU 06H6660. This option also requires to add a
   backplane in Bank D or E ).

 #2444 provides the necessary cable to control 6-pack #2 from the 2nd
   integrated SCSI-2 controller and is implementable only when #2443 is not
   selected.

 #2443 and #2444 are mutually exclusive.





                                ULTRA-SCSI

 ULTRA-SCSI is not supported by the 2 integrated SCSI Fast/Wide  controllers.

 #2446 : Must be ordered to disconnect the first SCSI 6-pack from the media
   devices. It provides for a cable and a terminator The terminator terminates
   the cable from the media devices when disconnected from the first SCSI
   6-pack. The cable provides a connection from the first SCSI 6-pack driven
   by a PCI Ultra-SCSI SE Adapter #6206 4-K 93H3809.

 #6519 : Additional SCSI 6-packs can be added in Bank D and E. Each #6519 added
   must be driven by a PCI ULTRA-SCSI SE Adapter #6206 4-K FRU 93H3809 and
   connected via cable #2447 FRU 06H6660. This option also add a backplane in
   Bank D or E ).


   Jumpers on J16 enable external SCSI connector


                  . . . . . .
                  . . . . . .
           J16  |||||||||||  middle pin and bottom pin to enable.

    7025 4-drop 16-bit.... 73H0725
         SCSI adapter to backplane(up to 3).... 06H6660


  Cabling FRU P/N:
    #2111  PCI SCSI Adapter to 2-Port, 8-bit SE External Device Cable 70G9858
    #9148  Same as #2111 + terminator 52G4260
    #2112  PCI SCSI Adapter to 2-Port, 8-bit Differential External 70G9858
    #2113  PCI SCSI Adapter to Single Port 8-bit SE External Device 52G0174
    #2114  PCI SCSI Adapter 16-bit Differential External Y-Cable 21H4029
    #2115  PCI SCSI Adapter to 2-Port, 16-bit SE External Device Cable 70G9857
    #2116  PCI SCSI Adapter to 2-Port, 16-bit Differential External 70G9857
    #2117  PCI SCSI Adapter 16-bit SE External Y Cable 52G0173 0.94m
    #2443  Int SCSI to DASD 6-Pack 16-bit Cable 40H3128 and Terminator 88G3977
    #2444  Int SCSI to DASD 6-Pack 16-bit Cable 40H3128 7-drop
    #2447  16-bit PCI SCSI SE Adapter to DASD 6-Packs Cable 06H6660
    #2448 Terminator 16-bit 88G3977



            SCSI MATRIX
    _________________________________________________________________________
    | Adapters |       Cables       |        Maximum Number of Devices      |
    |__________|____________________|_______________________________________|
    | Feature  |Internal  |External |Internal  |        External            |
    | Numbers  |Feature   |Feature  |          |____________________________|
    |          |Numbers   |Numbers  |          |Single Device|Multi-Device  |
    |__________|__________|_________|__________|_____________|______________|
    |Integrated|(standard)|   No    |3 - Media |     No      |     No       |
    |(standard)|          | External|(1 is     |   External  |   External   |
    |          |          | Support |standard) |   Support   |   Support    |
    |   # 1    |          |         | 6 - Disk |             |              |
    |          |          |         |(1 is     |             |              |
    |          |          |         |standard) |             |              |
    |__________|__________|_________|__________|_____________|______________|
    |Integrated|   2443   |  2111   |          |             |     Not      |
    |(standard)|    or    |  2113   | 6 - Disk |      2      |  Applicable  |
    |#2 without|   2444   |  2115   |          |             |              |
    | External |          |  2117   |          |             |              |
    |  Multi-  |          |         |          |             |              |
    | Devices  |          |         |          |             |              |
    |__________|__________|_________|__________|_____________|______________|
    |Integrated|   Not    |  2111   |     0    |     0       |      1       |
    |(standard)|Applicable|  2113   |Cannot    |Cannot mix   |              |
    | #2 with  |          |  2115   |mix single|single and   |              |
    | External |          |  2117   |and multi-|multi-device |              |
    |  Multi-  |          |         |device    |             |              |
    | Devices  |          |         |          |             |              |
    |          |          |         |          |             |              |
    |__________|__________|_________|__________|_____________|______________|
    |  6208    |  2447    |  2111   | 6 - Disk |      4      |      0       |
    | Without  |  6522    |  2113   |          |             | Cannot mix   |
    | external |  6536    |  2115   |          |             | single and   |
    | multi-   |          |  2117   |          |             | multi-devices|
    | devices  |          |         |          |             |              |
    |__________|__________|_________|__________|_____________|______________|
    |  6208    |    No    |  2111   |    0     |      0      |      1       |
    | With     | Internal |  2113   |          | Cannot mix  |              |
    | external | Support  |         |          | single and  |              |
    | multi-   |          |  2115   |          | multi-device|              |
    | device   |          |  2117   |          |             |              |
    |__________|__________|_________|__________|_____________|______________|
    |  6209    |   No     |  2112   |    0     | 25-meter cable maximum and |
    |          | Internal |  2114   |          | 15 SCSI addresses maximum  |
    |          | Support  |  2116   |          |                            |
    |__________|__________|_________|__________|____________________________|

  Multidevice indicates an external enclosure that may contain more than one
  SCSI device.

  Last update: 13/10/98