IBM 5280 Distributed Data System - Index of

Hex Length inDisplace- Bytes (inment Hex) Description55 3 Microprocessor save area.58 2 Number of bytes to read or write; used in conjunction withphysical buffer 2.5A 2 Number of nulls between blocks.5C 4 Microprocessor save area.60 2 Logical device identification from the resource allocationtable.62 Diskette lOB Identifier:BitsMeMJing0-3 The logical I/O table number.4-7 The partition number for the partition inwhich this lOB is located.63 The user specified character that indicates a logicallydeleted record for I or E exchange data sets.64 3 Microprocessor save area.67 3 A record number used as a pointer to keep track of positionswithin the data set. It is not necessarily the same as therecord number of the record in the logical buffer.6A 14 Microprocessor save area.7E 2 System use only.86