[Info-vax] rx2600s on eBay

Rob Brooks brooks at cuebid.ovms.usa.hp.nospam
Wed Mar 25 13:33:11 EDT 2009


Steven Schweda <sms.antinode at gmail.com> writes:
> vax... at chemie.uni-konstanz.de wrote:
 
>> It's impossible to boot from a SCSI-DVD or SCSI-Acard-IDE-DVD
>> because the drive only understands 2048 block commands whereas
>> VMS wants 512 Byte blocks per I/O.
 
>    As is so often true, there's a difference between
> "I couldn't do it" and "It's impossible".
[...]
 
>    This is with the block-size jumper set to 2048.  As I
> recall, something, perhaps booting from a DVD, failed when it
> was set to 512.

While there certainly was an earlier restriction within DKDRIVER that
precluded the use of a 2048 block-sized device, that restriction was
lifted in some recent (V8.2?) release, as shown by Steven's post.

-- 

Rob Brooks    MSL -- Marlborough, MA		brooks!cuebid.ovms.usa.hp.com



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