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Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?

Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?  
David J Dachtera
 Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?  
prep at prep.synonet.com
 Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?  
vax, 9000
From:David J Dachtera
Subject:Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?
Date:Wed, 29 Dec 2004 15:30:25 -0600
hairydamon@hotmail.com wrote:
> [snip]
> The DSSI-SCSI convertor (HSD10?) option sounds like the best bet. I
> assume it is some sort of box of tricks or electronic doo-ma-hicky that
> you plug a DSSI cable in and one side and magically it comes out as
> SCSI on the other side?

Indeed. Search eBay for disk "shelves" such as BA350-xx (where "xx" can
be any of a number of combinations). The HSD10 will occupy one location
in teh shelf and will serve up disks on the shelf via DSSI. They will
appear as DU devices.

You'll still need some info. on how to configure the HSD10, but this
should be one of many stepping stones on your way to what you seek...

....grasshopper. :-)

--
David J Dachtera
dba DJE Systems
http://www.djesys.com/

Unofficial OpenVMS Hobbyist Support Page:
http://www.djesys.com/vms/support/

Unofficial Affordable OpenVMS Home Page:
http://www.djesys.com/vms/soho/

Unofficial OpenVMS-IA32 Home Page:
http://www.djesys.com/vms/ia32/
From:prep at prep.synonet.com
Subject:Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?
Date:Thu, 30 Dec 2004 22:25:40 +0800
David J Dachtera writes:

> hairydamon@hotmail.com wrote:

>> The DSSI-SCSI convertor (HSD10?) option sounds like the best bet. I
>> assume it is some sort of box of tricks or electronic doo-ma-hicky
>> that you plug a DSSI cable in and one side and magically it comes
>> out as SCSI on the other side?

> Indeed. Search eBay for disk "shelves" such as BA350-xx (where "xx"
> can be any of a number of combinations). The HSD10 will occupy one
> location in teh shelf and will serve up disks on the shelf via
> DSSI. They will appear as DU devices.

> You'll still need some info. on how to configure the HSD10, but this
> should be one of many stepping stones on your way to what you
> seek...

A HSD is the better way to go IMO. The 10 is pretty straight foward to
set up, via a set host/dup, or by pluging a VT into the terminal port
on it. Can do tapes as well. You may even be able to score a 40 or
50 with drives. Freight is often the killer for them!

--
Paul Repacholi 1 Crescent Rd.,
+61 (08) 9257-1001 Kalamunda.
West Australia 6076
comp.os.vms,- The Older, Grumpier Slashdot
Raw, Cooked or Well-done, it's all half baked.
EPIC, The Architecture of the future, always has been, always will be.
From:vax, 9000
Subject:Re: SCSI ON A VAX 4000/500 - WHAT DO I NEED?
Date:Wed, 29 Dec 2004 17:28:53 -0500
David J Dachtera wrote:

> hairydamon@hotmail.com wrote:
>> [snip]
>> The DSSI-SCSI convertor (HSD10?) option sounds like the best bet. I
>> assume it is some sort of box of tricks or electronic doo-ma-hicky that
>> you plug a DSSI cable in and one side and magically it comes out as
>> SCSI on the other side?
>
> Indeed. Search eBay for disk "shelves" such as BA350-xx (where "xx" can
> be any of a number of combinations). The HSD10 will occupy one location
> in teh shelf and will serve up disks on the shelf via DSSI. They will
> appear as DU devices.
>
> You'll still need some info. on how to configure the HSD10, but this
> should be one of many stepping stones on your way to what you seek...
Or you might want to wait till my MSCP SCSI controller is ready. I am adding
CDROM support at this point. Yes, My MSCP SCSI controller configures SCSI
HD automatically. It supports SCSI disk from 5MB to 2GB at this point, and
will support up to ... infinity (virtually) in the near future. Whatever
SimH pdp11_rq.c does, The controller can do.

vax, 9000

>
> ...grasshopper. :-)
>
   

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