<21688 at scuzzy.mbx.sub.org>

neese at adaptex.UUCP neese at adaptex.UUCP
Tue Sep 11 02:14:00 AEST 1990


>>>Here are the various setting for the DMASPEED:
>
>>>0 =	5.0  MBytes/sec
>>>1 =	6.7  MBytes/sec
>>>2 =	8.0  MBytes/sec
>>>3 =	10.0 MBytes/sec
>>>4 =	5.7  MBytes/sec
>
>>hmm. where did you get these values from? the 154[02]A manual is different.
>>the 1540(without A) manual defines these. (not sure about the last one).
>
>i *think* i now know The Real Truth (tm :-) ! the above table should be
>the one for the *software*. the *jumpers* on the board allow you to set
>5, 5.7, 6.7 and 8 MB/sec in that order. am i correct ?!

Correct.  Also remember that software selection will override the jumpers
for the DMA rate.

			Roy Neese
			Adaptec Senior SCSI Applications Engineer
			UUCP @  uunet!swbatl!
				  {nominil,merch,cpe,mlite}!adaptex!neese



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