Re: Re: standalone code for bootstrapping
| Newsgroups | gmane.comp.emulators.hercules390.general |
|---|---|
| Message-ID | <[email protected]> |
Head and track have been used interchangeably since the early 360 days. Other hda in the same enclosure are addressed as a different device. Sent from whatever device I am using. > On Mar 16, 2019, at 9:00 AM, Joe Monk [email protected] [hercules-390] <[email protected]> wrote: > > Attached is a cutaway of a 3390-1. As you can see, It has 9 disk platters > for 18 surfaces. > > Thus, head 0 and head 1 are on separate disks. So, seeking on head 1 is > seeking on a different disk platter. > > Joe > > On Sat, Mar 16, 2019 at 7:52 AM kerravon86-/[email protected] [hercules-390] < > [email protected]> wrote: > > > > > > > ---In [email protected], <joemonk64@...> wrote : > > > > > If you write a chained IPL PSW/CCW, you can > > > > I don't think we should be changing the > > Hercules IPL record when we can use > > software instead. I did add the "separate" > > keyword to Hercules/380 to get it to > > seek on head 1 instead of head 0 though. > > > > BFN. Paul. > > > > > > [Non-text portions of this message have been removed] > > >