Number of devices supported on Ultra SCSI adapter?

From: Richard Eckman <r.s.eckman_at_larc.nasa.gov>
Date: Fri, 12 Feb 1999 09:20:32 -0500

  A number of Compaq/Digital Ultra SCSI adapters claim to handle up to 15
devices per channel (operating system-dependent). At present, Tru64 Unix
only handles 8 devices per channel. Will future releases of Tru64 Unix
(like the upcoming v5.0) handle the full 15 devices on a SCSI channel?
  In a similar vein, I noted from one of the Compaq on-line technical
summaries that the
new Alphaserver DS20 has an integral 2-channel SCSI adapter on the
motherboard. But, it doesn't appear that either Tru64 Unix or OpenVMS
support this adapter. Instead, one needs
to add a PCI storage adapter to support the internal drives. Does anyone
know whether Tru64 Unix v5.0 will handle this on-board Adaptec 7895 SCSI
adapter?
  Thanks for any information.

Richard Eckman
NASA Langley Research Center
Hampton, VA
Received on Fri Feb 12 1999 - 14:21:27 NZDT

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