include file: CNTLIODT 1
!====================== COMDECK CNTLIODT ========================          CNTLIODT.2      
! Description:                                                             CNTLIODT.3      
!                                                                          CNTLIODT.4      
!     Defines the sector size for well-formed transfers on Cray            CNTLIODT.5      
!     Research systems.  Disk addresses must start on a sector             CNTLIODT.6      
!     boundary, and transfers must be a number of sectors.  Disk           CNTLIODT.7      
!     word addresses start at 0.                                           CNTLIODT.8      
!                                                                          CNTLIODT.9      
!     On the T3E, well-formed transfers must also start on a               CNTLIODT.10     
!     cache-line boundary in memory.                                       CNTLIODT.11     
!                                                                          CNTLIODT.12     
!   4.4    24/10/97  New deck       C.P. Jones                             CNTLIODT.13     
!   4.5    02/10/98  Increase from 512 to 2048. D. Robinson.               GDR8F405.96     
!                                                                          CNTLIODT.14     
C                                                                          CNTLIODT.15     
      DATA UM_SECTOR_SIZE/2048/                                            GDR8F405.97