If it is anything like installing NetBSD, which I have done on a VAXstation with a DLT4 drive, it should be 512 byte.
So, while I do not know for sure for Ultrix and MicroVAX, 512 is probably a good starting point? Hopefully someone else will *actually* know. Aaron Warren Toomey via cctalk writes: > All, I received this request from Matthew who isn't subscribed to either > the TUHS or cctalk lists. He knows how to read the lists archives. Many > thanks for any help you can provide. > Cheers, Warren > > ----- Forwarded message from Matthew Whitehead ----- > > Date: Mon, 15 Oct 2018 08:25:39 -0400 > From: Matthew Whitehead > Subject: Ultrix Tape Blocks > > Warren, > I wonder if you can give me a referral. I want to install Ultrix-32 > on my MicroVAX II using the ancient TK-50 tape drive. I know the tape > files are on your archive, but I need to know the block size for each > of the many files; it can vary a lot. > Who might be able to help me with this? > Matthew Whitehead > > ----- End forwarded message ----- -- Aaron Jackson - M6PIU http://aaronsplace.co.uk/