Should there be a bit in INQUIRY Data for Fast-20?
wood at hal.com
Thu Aug 25 08:18:58 PDT 1994
Curiously enough, we happen to have tried that this week.
The devices we tested performed as expected, and negotiated
to a higher value.
| From jlohmeye at ncr-mpd.ftcollinsco.NCR.COM Wed Aug 24 20:14:19 1994
| Subject: Should there be a bit in INQUIRY Data for Fast-20?
| To: SCSI Reflector List <scsi at WichitaKS.NCR.COM>
| Date: Wed, 24 Aug 94 15:58:02 MDT
| From: John Lohmeyer <jlohmeye at ncr-mpd.ftcollinsco.NCR.COM>
| X-Mailer: ELM [version 2.3 PL11]
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| Does anyone know what will happen to current SCSI devices if one sends them
| an SDTR message with a proposed Transfer Period less than 100 ns? While
| they _should_ simply negotiate up to a supported value, I wouldn't want
| to bet too much on it. Should we add a bit to the INQUIRY Data to say
| the target supports Fast-20 to avoid any nasty surprises?
| John Lohmeyer E-Mail: John.Lohmeyer at FtCollinsCO.NCR.COM
| NCR Microelectronics Voice: 719-573-3362
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