Table 49. IOP, IOA, and device address information for FC 9079 Base I/O Tower (On
Models 840, SB3) (continued)
Position Possible Failing
Component
DSA (BBBBCcbb)
Note: IOA and
device DSA’s will not
follow the rules
below if the IOA is
manually reassigned
after IPL.
Unit Address
C10 Storage IOA The IOA has the
same DSA as the first
IOP found in the
following list: C09,
C07, C05.
6FFFFFFF
Comm/Wrkst IOA E6FFFFFF
IXS attached IOA E006FFFF
C11 (IXS capable
position)
IOP yyyy-20-00 FFFFFFFF
C12 (empty if IXS in
C11)
Storage IOA yyyy-20-00 2FFFFFFF
Comm/Wrkst IOA yyyy-20-00 E2FFFFFF
C13 IOP yyyy-23-00 FFFFFFFF
Storage IOA yyyy-20-00 3FFFFFFF
Comm/Wrkst IOA yyyy-20-00 E3FFFFFF
IXS attached IOA yyyy-20-00 E003FFFF
C14 IOP yyyy-24-00 FFFFFFFF
Storage IOA yyyy-20-00 4FFFFFFF
Comm/Wrkst IOA yyyy-20-00 E4FFFFFF
IXS attached IOA yyyy-20-00 E004FFFF
C15 Storage IOA The IOA has the
same DSA as the first
IOP found in the
following list: C14,
C13, C11.
6FFFFFFF
Comm/Wrkst IOA E6FFFFFF
IXS attached IOA E006FFFF
Locations and Addresses
Chapter 5. Locations, Addresses, and Part Listings 759