<OT> SCSI drives

Net Llama! netllama
Mon May 17 11:31:25 PDT 2004


I'm by no means an expert, but i've user a bunch of different SCSI 
drives.  With SCSI there are *alot* of name games, and no hard standard. 
  Sometimes you'll see "Ultra" in front, sometimes you won't.  Roughly 
speaking, SCSI-1 is 40, SCSI-2 is 80, and SCSI-3 is 160.  As for pin 
outs, you have 68pin, and 80pin.  80pin (also referred to as SCA) is a 
hotswappable drive, almost always found in rackmountable servers, where 
high availability is of concern.  68pin is what you have.  Old SCSI 
stuff had 50pin interfaces as well.

HTH,
Lonni

Tony Alfrey wrote:
> Can someone briefly explain the differences in SCSI drive pin formats?
> Specifically, I have Seagate 68 pin internal SCSI drives.  I believe 
> that they are the so-called "Ultra 2 LVD" format.  But there appear to 
> be other SCSI formats that have the exact same connector, for example, 
> something called "SCSI-3".  Can someone recommend a simple summary of 
> these various formats?
> Thanks!
> 


-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
L. Friedman                       	       netllama at linux-sxs.org
Linux Step-by-step & TyGeMo: 		    http://netllama.ipfox.com

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