[Info-vax] VAX 6000 on Young Sheldon

[Robert A. Brooks]

On 2/8/2023 6:42 PM, Scott Dorsey wrote:
> Bob Eager  <news0009 at eager.cx> wrote:
>> On Wed, 08 Feb 2023 19:19:30 +0000, Scott Dorsey wrote:
>>
>>> IBM guys would not have.  My boss would have said that if it can't back
>>> up the DASDs with the CPU halted than it wasn't a real mainframe.
>>
>> I know it was probably later on, but couldn't you do that with MSCP disks?
> 
> I don't know.  I have never seen anyone use more than a tiny fraction of
> what MSCP is capable of, so I would not be surprised if it had I/O channel
> type features like that.

Perhaps storange and tape drives connected to the same Hierarchical Storage Controller (HSC50/70/etc), but
not drives connected to a host bus adapter (UDA50, KDM70, etc...).

-- 
			-- Rob