How to tell differential scsi drives and cards apart

Sridhar Ayengar ploopster at
Mon Jan 12 08:42:48 CST 2009

Teo Zenios wrote:
> Is there an easy way to tell if a SCSI controller or HD is LVD or
> HVD? My understanding is that HVD was the first type used and was
> just called differential F/W and then LVD came out so the old
> standard was then called HVD.

The part number on the chip.

Peace...  Sridhar

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