IBM 3174 C 6.4 Microcode Disks?

[Jay Jaeger]

On 2/15/2019 10:22 AM, Jay Jaeger via cctech wrote:
> On 2/14/2019 9:28 PM, Kevin Monceaux via cctalk wrote:
>> Classic Computer Fans,
>>
>> I posted this to the IBM-Legacy-Hercules mailing list.  I just realized it
>> probably wouldn't hurt to post it here too.
>>
>> I'm finally in possession of a box that hopefully is capable or can be made
>> capable of connecting a real terminal to Hercules.  It's a 3174 11L.  It was
>> retired last year where I work.  I finally got the okay to save it from
>> being sent to a scrapper.  I love the build quality of older IBM gear,
>> except when I'm trying to move such gear.  Between the 3174 and a 9406-520 I
>> also acquired, I pulled or strained something in my left arm moving them
>> into place.
>>
>> It's currently wired to run on 220v.  I think I've seen mentioned somewhere
>> that it can be changed to run on 110v.  If that's the case, does anyone have
>> a pointer to documentation on what's involved?
>>
>> It has dual floppy drives.  At least one drive is a 2.4MB drive.  But, all
>> the microcode disks I have are at level B 4.6.  Does anyone know where I can
>> get a set of C 6.4 control and control extension disks.  From what I've
>> heard those are what's needed to enable an attached terminal to connect to
>> other systems via telnet.
>>
>> It has a token ring card.  I will probably be able to get the MAU it was
>> connected to, and possibly the router that acted as a token ring to Ethernet
>> bridge.
>>
>> I'm not sure how much memory it has.  Does anyone have any tips on
>> determining the amount of memory it has, and/or identifying its boards?
>> These are the numbers on its boards:
>>
>>     9210
>>     9351
>>     9052 z2
>>     9053
>>     9501
>>
>> Plus the boards for coax connections.
>>
>>
>>
> 
> I have some 3174 floppy disks, but I don't know what - they are not in
> my inventory.  I will put it on my queue to look at them - but it may be
> a couple of weeks.  I don't hold out much hope, but I will look.
> 

Well, it turns out my floppies are for *3274* rather than 3174.  But,
that said, if anyone needs any of them, let me know: just shipping cost.

Here is a sample:

3274 Disks
IBM Diskette 2 256 Bytes/Sector


Date		Name

8/09/83		A13 FEAT DISK CONFIG SUPPORT D REL 60.0 VALIDATION NUMBER 30
8/10/83		A23 SYST DISK CONFIG SUPPORT D REL 60.0 VALIDATION NUMBER 30
[Customized]
8/10/83		A23 SYST DISK CONFIG SUPPORT D REL 60.0 VALIDATION NUMBER 30
[Customized]
6/18/84		A22 FEAT DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
6/30/84		A12 FEAT DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
6/30/84		A22 SYST DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
6/30/84		A22 SYST DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
6/30/84		A22 SYST DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
7/01/84		A22 LANGUAGE DISKETTE - RELEASE C FOR CONFIG D AT REL 63.0 OR
HIGHER
7/01/84		A12 LANGUAGE DISKETTE - RELEASE C FOR CONFIG D AT REL 63.0 OR
HIGHER
7/12/84		A23 SYST DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
7/12/84		A22 SYST DISK CONFIG SUPPORT D REL 63.0 VALIDATION NUMBER 33
7/18/84		A23 LANGUAGE DISKETTE - RELEASE C FOR CONFIG D AT REL 63.0 OR
HIGHER
6/11/85		B22 18.33 LANGUAGE DISKETTE FOR CONFIG D AT REL 64.0 OR HIGHER
6/11/85		A12 21.30 SYSTEM - CONFIG SUPPORT D REL 64.1 VALIDATION 34 OR
HIGHER
6/18/85		A12 19.40 FEATURE - CONFIG SUPPORT D REL 64.1 VALIDATION 34 OR
HIGHER
6/24/86		B23 17.17 LANGUAGE DISKETTE FOR CONFIG D AT REL 65.0 OR HIGHER
6/24/86		B12 17.08 LANGUAGE DISKETTE FOR CONFIG D AT REL 65.0 OR HIGHER
6/24/86		B12 17.05 LANGUAGE DISKETTE FOR CONFIG D AT REL 65.0 OR HIGHER

-------		KYB DEF UTILILTY REL G FOR LOAD 3290 D41.00, 3179-G D25.00 OR
HIGHER


(And about 150 more, in a similar date range)