Date: Mon, 05 Oct 1998 20:06:50 +0200 From: Michael Kunze <mkunze@ivw.de> To: "aic7xxx@FreeBSD.ORG" <aic7xxx@FreeBSD.ORG> Subject: Ultra2 transfer mode? Message-ID: <36190ABA.C835F0B8@ivw.de>
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Hi all,
pre 15 works for me without problems on an Asus P2B-LS. There is still a
question left i asked some mails ago. If i take a look into
/proc/scsi/aic7xxx/0, i see
Statistics:
(scsi0:0:0:0)
Device using Wide/Async transfers.
^ ^ ^ ^
Device Negotiation Settings
Period Offset Bus Width
User 000 000 1
Goal 000 000 1
Current 000 000 1
Total transfers 3595 (3370 read;225 written)
blks(512) rd=16267; blks(512) wr=654
This should be definitely synchronous, because the harddisk is an IBM
DGHS09V Ultra2-SCSI, which of course is capable of ultra2 synchronous
transfers.
So, what is the REAL transfer mode? 80 Mbyte/s synchronous or 20 MByte/s
or
less asynchronous?
Greetings
Michael
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