On Fri, Aug 5, 2016 at 7:44 PM, Douglas Taylor <dj.tayl...@comcast.net> wrote:
> On 8/5/2016 4:48 PM, dersc...@gmail.com wrote: > >> >> On Aug 5, 2016, at 1:42 PM, Douglas Taylor <dj.tayl...@comcast.net> >>> wrote: >>> >>> Progress on getting the MVII up and running: >>> >>> I ordered the SCSI2SD adapter and it has come in, the plan is to use it >>> as the system disk on the MVII. >>> >>> The hobbyist VMS PAKS have arrived and I was able to download the VMS >>> 7.3 iso, not sure what I can do with it since I think it must be burned to >>> a 512 byte sector CD. >>> >> Burn it to a CD. Shouldn't be anything complex here. >> > I was able to expand the compressed file using 7-Zip and generate the iso > image. However, when I tried to burn the iso to a CD Win7 reported that > 'The selected disk image file is not valid'. Not sure what all that means, > but anyway VMS can't handle a CD with 2048 block size so I stopped fooling > around with that. The built-in ISO burning support in Win7 is garbage, use something like ImgBurn or the like to do the job. > > >> I asked if the PAKS were good for older versions of VMS, like 5.5, and >>> was told yes they were. We'll see about that. >>> >>> The Hobbyist VMS CD I had for VMS 7.2 was found and I was able to get >>> the old Toshiba CD drive to work on the MV 4000 using a CQD 223A. How can >>> I create an image of these CD's on the VAX 4000 that I could use in an >>> emulator? >>> >>> I wasn't able to get the UC07 to see the CDROM because of a bad SCSI >>> cable, I had hoped to format the SCSI2SD using the UC07 >>> >> Keep in mind that the SCSI2SD can pretend to be a CD-ROM, and can emulate >> up to 4 SCSI devices at one go. No need to futz with a real drive if you >> don't want to... >> >> Josh >> > Yes, I believe that is the way to proceed. Let the SCSI2SD be a couple of > drives, one for installing the software onto and another to contain the > installation CD image. At this point it is kind of a 'chicken and the egg' > thing for me, the only scsi interface I have is on the VAX. I don't have > one on the PC where the VMS image is, so I'm perplexed as to how I get the > software installation CD onto the SCSI2SD SD card. You can do it pretty easily if you have an SD card reader in your PC -- what I'd do is DD the image onto the SD card starting at block zero (there are numerous dd-like tools for windows for doing this sort of thing). Then configure the SCSI2SD to present the first N sectors of the SD card (where N is the number of 512-byte sectors in the CD image) as a CD-ROM, and use the rest of the SD card for disks. - Josh > > >> Is it possible to use the SCSI2SD on a microPDP-11 under RT-11? I ask >>> because of the disk size limit under RT-11. >>> >>> Doug >>> >>> >