Tuning aha1540 driver (ISC 2.2)

Doug Pintar dougp at ico.isc.com
Wed Aug 29 03:46:28 AEST 1990


In article <1990Aug25.120304.21688 at scuzzy.mbx.sub.org> src at scuzzy.mbx.sub.org (Heiko Blume) writes:
>larry at focsys.uucp (Larry Williamson) writes:
>>I've installed the Sync option jumper on the controller. 
>
>that jumper doesn't matter - it's setting is overridden by ISC's scsi
>driver.
>
For ISC Unix 2.2, THIS IS NOT TRUE!  The 2.0.2 version DID always force the
adapter into NON-SYNCHRONOUS mode, which probably wasn't right... :-)
To take advantage of synchronous transfers on drives that support them, THIS
JUMPER MUST BE INSTALLED!  There is NO way the software can work around this!

caveat scsor,
DLP



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