Re: RX02 Difficulties

> On Dec 16, 2017, at 7:59 PM, Chuck Guzis via cctalk > wrote: > > On 12/16/2017 05:21 PM, Fred Cisin via cctalk wrote: > >> So, some of us do not trust the labels on disks. > I don’t trust the labels on my floppies. Especially those with with my handwriting.

Re: RX02 Difficulties

On 12/16/2017 05:21 PM, Fred Cisin via cctalk wrote: > So, some of us do not trust the labels on disks. Ha. I lost a bit of hair when I received a batch of 8" hard-sector disks and tried to make sense of them. What were obviously sector headers didn't line up at all with any of the sector

Re: RX02 Difficulties

On Sat, 16 Dec 2017, Aaron Jackson via cctalk wrote: The ones labelled RT-11 don't actually have RT-11 on them, just some random files, and these were the ones I had tried to boot from. Yep. Being labelled "RT-11" does not mean that they have RT-11 on them. They could be Compupro disks from

Re: RL02 to PC image

> Anyone know of a 40-pin UART with a FIFO? :) 16c550s are cheap as dirt. And you can stick a 16c850 or whatever the latest incarnation is to a PLCC to DIP adapter. > I've lately been doing the data transfer stuff using STM32F407 > development boards. Chuck really has the right answer here.

Re: RL02 to PC image

On Sat, Dec 16, 2017 at 6:15 PM, william degnan wrote: > > > On Sat, Dec 16, 2017 at 6:10 PM, Chris Elmquist via cctalk < > cctalk@classiccmp.org> wrote: > >> On Friday (12/15/2017 at 07:57PM +), Henk Gooijen via cctalk wrote: >> > >> > I have not yet had time to

Re: RL02 to PC image

On Sat, Dec 16, 2017 at 6:10 PM, Chris Elmquist via cctalk < cctalk@classiccmp.org> wrote: > On Friday (12/15/2017 at 07:57PM +), Henk Gooijen via cctalk wrote: > > > > I have not yet had time to build/test it, but a few months ago there > > was an RL01/RL02 emulator project on VCF. You need

Re: RL02 to PC image

On Friday (12/15/2017 at 07:57PM +), Henk Gooijen via cctalk wrote: > > I have not yet had time to build/test it, but a few months ago there > was an RL01/RL02 emulator project on VCF. You need a PDP-11 > with RL11 controller. The RL0x emultor connects to the RL11 > just as an RL01/RL02 disk

Re: RX02 Difficulties

Thanks for the tips! :) Aaron. allison via cctalk writes: > If you have a system that can create/format SSSD (base RX01 media > format) RT11 can > reformat that as RX02. Of the top of my hear the command is INIT and > you specify the > drive and /double. It cannot format a blank disk but it can

Re: RX02 Difficulties

If you have a system that can create/format SSSD (base RX01 media format) RT11 can reformat that as RX02.  Of the top of my hear the command is INIT and you specify the drive and /double.  It cannot format a blank disk but it can set a RX01 format to double density. Note a RX02 on a PDP-11 will

Re: eBay: MEMOREX 3693-2 & 3690-2 Disc Drive Mainframe IBM 3370-2 VINTAGE

> From: Guy Sotomayor Jr > I *really* want them and I'm within an hour (usually) of where they > are. The problem is that right now I'm on a business trip until the end > of the month and he needs this gone prior to 12/31. Why don't you reach out to the person and tell them you

Re: RX02 Difficulties

Glad to hear that you cleared that up. For the other floppies. 1) DUMP/TERM/RAD50/END:0 DY1: If you share the listing that will give us some hints as to the OS on the floppies. 2) DIR/BAD DY1: will do a bad block scan to see if can read all of the blocks on the media. It

Re: RX02 Difficulties

I just checked all of them in RT-11, out of 12 floppies, two of them were bad, or at least I am unable to perform dir in RT-11. My source of confusion comes from both A) not being able to boot from any of them, and B) not being able to dump them using vtserver. The ones labelled RT-11 don't

Re: RX02 Difficulties

We've gotten around the formatting issue by formatting SSSD using ImageDisk on a regular PC (with a floppy controller that supports single density/FM, of course). If you want RX02 media there's an XXDP routine to upconvert RX01s to RX02s. Thanks, Jonathan On Sat, Dec 16, 2017 at 2:02 PM, Chuck

Re: eBay: MEMOREX 3693-2 & 3690-2 Disc Drive Mainframe IBM 3370-2 VINTAGE

> On Dec 15, 2017, at 4:04 AM, P Gebhardt via cctalk > wrote: > > > > >> eBay: MEMOREX 3693-2 & 3690-2 Disc Drive Mainframe IBM 3370-2 VINTAGE >> >> No connection to the seller, but they mention it will be scrapped if no >> takers. $150 Buy it now. >>

Re: RX02 Difficulties

On 12/16/2017 10:43 AM, Fred Cisin via cctalk wrote: > On Sat, 16 Dec 2017, Aaron Jackson via cctalk wrote: >> Well, would you believe it. It was the disks after all. I can't believe >> they are all bad! > > I can believe it. > Were they "bad"? > Or just not what they were labelled as being? I

Re: RX02 Difficulties

On Sat, 16 Dec 2017, Aaron Jackson via cctalk wrote: Well, would you believe it. It was the disks after all. I can't believe they are all bad! I can believe it. Were they "bad"? Or just not what they were labelled as being? -- Grumpy Ol' Fred ci...@xenosoft.com

Re: RX02 Difficulties

> > From: Aaron Jackson > > > It was the disks after all. > > Well, I'm glad you got it working. Where'd you get a good floppy? > > Noel Friend popped over with an RX02 drive and a working RT-11 floppy. The drive worked with my controller so I tried the disk in my own drive and it

Re: RX02 Difficulties

> From: Aaron Jackson > It was the disks after all. Well, I'm glad you got it working. Where'd you get a good floppy? Noel

Re: RX02 Difficulties

Well, would you believe it. It was the disks after all. I can't believe they are all bad! Just booted straight into RT-11. Thanks all for your help anyway. Time to play. Aaron. Aaron Jackson via cctalk writes: > Hi everyone, > > I originally posted this on VCFed (which was new to me) but