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Joe,
I don’t ever remember CKD emulation on these? Weren’t they one of the original 9370 drives, which were FBA only? This meant the 9370 was really only good for VM/SP because the built in drives were not supported by MVS.
Dave
From: [email protected] <[email protected]>
Sent: 17 March 2019 13:46
To: [email protected]
Subject: Re: [hercules-390] PDOS/3x0 on real hardware
Dave,
The 9335 is both the controller and the DASD ...
-A01 is the controller
-B01 are the drives (up to four) (850MB each)
Joe
On Sun, Mar 17, 2019 at 8:13 AM 'Dave Wade' [email protected] <mailto:[email protected]> [hercules-390] <[email protected] <mailto:[email protected]> > wrote:
Joe,
On what controller. All the 9335’s I have met were pure FBA, but its been a long time…
Dave
From: [email protected] <mailto:[email protected]> <[email protected] <mailto:[email protected]> >
Sent: 17 March 2019 12:57
To: [email protected] <mailto:[email protected]>
Subject: Re: [hercules-390] PDOS/3x0 on real hardware
"However, this 9335 DASD is FBA, so
not supported."
Says who?
With ICKDSF, you can initialize a 9335 as an emulated CKD device. Thereafter, it performs as a CKD device...
Joe
On Sun, Mar 17, 2019 at 7:10 AM kerravon86-/[email protected] <mailto:[email protected]> [hercules-390] <[email protected] <mailto:[email protected]> > wrote:
---In [email protected] <mailto:[email protected]> , <Mcguire@... <mailto:Mcguire@...> > wrote :
Ok, good news. I have updated PDOS so that
although it still uses blocks of 18452, those
blocks can be put onto any device type, e.g.
I tested with 3350 disks.
Also I have successfully switched off EA
and the S/370 build now uses 16 MiB.
> S/390 hardware at the museum. The first of the S/370s (a 9375) is
> nearing runnable status; it has 9335 DASD.
However, this 9335 DASD is FBA, so
not supported.
Regardless, I'm now in a position to generate
any sort of CKD disk drive and terminal type
for the I/O gen. So let me know what you
would like and I'll generate them. I suggest
we move discussion to the hercules-os380
group because no-one ever accuses me of
being off-topic there.
What I would like to work on next is to
create an EBCDIC ANSI terminal using a
PC so that micro-emacs can run on real
hardware. So I'd like to pick up that
discussion over there.
BFN. Paul.