ID these DEC floppy disks

[Nigel Johnson Ham]

Thanks for that. My memory is now refreshed!

Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
Skype:  TILBURY2591nw.johnson at ieee.org



On 2022-02-18 07:51, Sytse van Slooten via cctalk wrote:
> http://www.bitsavers.org/pdf/dec/pdp11/xxdp/Turnbull_XXDP_Feb93.pdf  <http://www.bitsavers.org/pdf/dec/pdp11/xxdp/Turnbull_XXDP_Feb93.pdf>
>
> This doc gives an overview of the naming.
>
> The leading C means PDP-11, but is not used in the file names on the xxdp packs and floppies - you'll see it in the listings though.
>
> Cheers
> Sytse
>
>> On 18 Feb 2022, at 03:12, Nigel Johnson Ham via cctalk<cctalk at classiccmp.org>  wrote:
>>
>>  From my (very stale) memory, FWIW
>>
>> DEC Diagnostic file names were configured thus:
>>
>> First Letter - machine they run on.  ones I remember:  Z=all Unibus, V=LSI-11(18-bit), J=11/73(22-bit) etc.  Strangely, I seem to remember that C represented 11/45, but maybe they changed the scheme at one point. I got into sales and management with Emulex after the 11/73A!  Or perhaps the letter C was prepended as a media type and the rest follows the pattern
>>
>> Second and third letters, the system part they were designed for.  Strangely, VMSxxx would be memory tests for the LSI-11, nothing to do with VMS/
>>
>> Fourth letter was the actual diagnostic name if more than one for each part.
>>
>> Fifth and sixth letters were major and minor rev levels.
>>
>> So really the names were only unique to four positions.
>>
>> When running them, I would usually only type the first four letters followed by two question marks.
>>
>> So maybe ZUF and ZXD were amalgamations of various tests!
>>
>> Or maybe they changed the scheme :-)
>>
>> cheers,
>>
>> Nigel
>>
>>
>> Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
>> Amateur Radio, the origin of the open-source concept!
>> Skype:TILBURY2591nw.johnson at ieee.org
>>
>>
>>
>> On 2022-02-17 20:26, Glen Slick via cctalk wrote:
>>> On Thu, Feb 17, 2022 at 4:28 PM Chris Zach via cctalk
>>> <cctalk at classiccmp.org>   wrote:
>>>> Hey all!
>>>>
>>>> While going through floppies I found these and was wondering what they
>>>> were. Only clue in Google was someone asking in 1997 same thing.
>>>>
>>>> BL-T540B-M1 CZUFDB1 USER TESTS
>>>> BL-T541B-M1 CZXD1B1 FIELD SERVICE TESTS 1
>>>> BL-T542B-MC CZXD2B0 FIELD SERVICE TESTS 2
>>>> BL-T565B-MC CZXD3B0 FIELD SERVICE TESTS 3
>>>> BL-T583B-MC CZXD4B0 FIELD SERVICE TESTS 4
>>>>
>>>> Any ideas? The first one does not have a write protect tab, the others
>>>> do. There is also one other disk I found
>>>>
>>>> CZMX4E0 Micro 11 Maint RX50 4
>>>>
>>>> On this one the write protect flag was torn off (was on from factory and
>>>> removed)
>>> My guess is that these are Micro-11 diagnostic test disks, as
>>> mentioned in Section 5.7 USER TEST DISKETTES, on Page 5-12, of this
>>> manual:
>>> MicroPDP-11 Systems Technical Manual, EK-MIC11-TM-002
>>> http://www.bitsavers.org/pdf/dec/pdp11/microPDP11/EK-MIC11-TM-002_MicroPDP11_Systems_Technical_Manual_Sep85.pdf
>>>
>>> These possibly related tests are listed as being included as part of
>>> the XXDP distribution on page A-22 of the PDP-11 Diagnostic Handbook,
>>> 1988
>>> http://www.bitsavers.org/pdf/dec/pdp11/xxdp/PDP11_DiagnosticHandbook_1988.pdf
>>>
>>> ZUFlEO.BIN    MICRO-11 USER TEST #1
>>> ZUF2EO.BIN    MICRO-11 USER TEST #2
>>> ZUF3AO.BIN    MICRO-11 USER TEST #3
>>> ZUF4AO.BIN    MICRO-11 USER TEST #4
>>>
>>> If you have the ability to create ImageDsk images of these disks it
>>> might be interesting to take a look at them.