LVDS question

Skip Jones sk_jones at
Fri Oct 13 13:45:08 PDT 1995


This topic has been discussed several times.  I share the view with those that
believe bad (excessive) overhead in SCSI has more to do with poor
implementation than what is inherent in the standard.  If implemented well with
'good' silicon and well written firmware/software, SCSI overhead is already
fairly low at under 200 microseconds for the entire I/O (host AND target
included), and in some cases much less.

Therefore, I view this effort as a lot work for little gain.  Poor
implementations will persist regardless of what we do in the standard.

From: Lee Cleveland on Thu, Oct 12, 1995 8:04 AM
Subject: LVDS question
To: SCSI at

First Thanks for all the good dialog on LVDS

  Is it being concidered to change some of the SCSI overhead/arbitration
  signaling when going to LVDS?

  If so is there a list of what is being looked at?


Lee Cleveland

IBM Rochester MN
IOP Design & Hardware Development

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