Bill Kirby wrote in a message to Francois Roy:
 FR>  or perhaps its trigger level could be set a tad lower.  Sometimes,
 FR> having the Bios set to do "long block transfers" (disk I/O) will keep
 FR> the machine busy long enough during disk writes to mask interrupts
 FR> long enough for the CRCs to occur.
 BK> How do I do this with OS/2 and SIO.
Try HELP IBM1S506.  A sample CONFIG.SYS entry would be:
BASEDEV=IBM1S506.ADD /A:0 /U:0 /!SMS
which disables block transfers on adapter 0, drive 0.
If you are running DOS programs, check the Int_During_IO property under the 
DOS properties.
Regards,
       David
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