[Info-vax] Gen-Z, a new memory interconnect on the horizon.

[Johnny Billquist]

On 2016-10-20 18:12, Michael Moroney wrote:
> Jan-Erik Soderholm <jan-erik.soderholm at telia.com> writes:
>
>>>> I wouldn't mind seeing physical write protect switches for today's
>>>> disk drives.
>>>>
>>>> Simon.
>>>>
>>>
>>> Agree .. and would extend this to USB disks as well.
>>>
>>> We used to have USB sticks with a small switch on them for this.
>>>
>>> It was a great way to ensure viruses did not infect the disk and
>>> read-only backups remained read-only.
>
>> Seems to still beeing available:
>
>> https://www.amazon.com/Kanguru-Flash-Physical-Protect-switch/dp/B008OGNM8E
>
>
> SD cards (at least the full sized ones) have a write protect slider, and
> there may be a programming command to writelock the disk.  I have no
> idea whether these would even work on VMS (with a USB-SD adaptor, of
> course)

I *think* that writelock was something detected by the receptacle, and 
unless there is some hard logic in the receptable, that write lock is at 
best described as "advisory". Don't trust it...

	Johnny