[Info-vax] VAX 6000 on Young Sheldon

[gah4]

On Sunday, February 12, 2023 at 3:52:31 PM UTC-8, Johnny Billquist wrote:

(snip)

> Correct. From a hardware point of view, those are just blocks just like 
> anything else. No difference at all. 
 
> However, the tape have blocks. You have the tape marks, blocking and 
> other stuff going on, to try to ensure your data is safe and don't get 
> corrupted. It's all down in the hardware, but that don't mean it work 
> any worse/different. 
 
I haven't thought about this for years.  I believe there is either parity
or CRC at the end of a block, in addition to the parity bit for each character.
I suspect that lower density have parity and higher (and later) have CRC.