What OS are you using to format the disk? If you have a DOS system running (or can run DOS from a USB drive) you might try FORMAT /S and whatever other options you need; make sure the system files are in the DOS directory. AFAIK you can also use WIN98 or earlier.
On Tue, Oct 15, 2024 at 1:31 AM Steve Lewis via cctalk < cctalk@classiccmp.org> wrote: > Hi Thomas, > Do you happen to have also the original SHARP MS-DOS 2.00 disks? It may > have come with the CE-510F. > > All my bubble cartridges have MS-DOS 2.00, and one of the cartridges has > SYS.COM. So... I did a FORMAT /8 on another x86 system and formatted a > 320KB disks. Then I put that disk into the PC-5000, then did a SYS C: from > the bubble cartridge that has SYS.COM, and it said "System transferred" > (and CHKDSK.COM agrees, there are 2 hidden files). I added COMMAND.COM to > the disk, but it (the PC-5000) still won't boot from that disk. I turn > the system off, remove the bubble cartridge, power on the system with this > "new" 320KB disk inserted... and it says WARNING: NON-SYSTEM DISK. > > So we'll be hunting for an original SHARP PC-5000 boot disk still. > > > -Steve > > > On Sun, Sep 8, 2024 at 4:09 AM osi.superboard via cctalk < > cctalk@classiccmp.org> wrote: > > > Sharp computers from the early 80's were truly amazing. Every computer > > part they produced was a joy to see and feel because of its accuracy and > > design. If you've ever held a Sharp CE-152 data tape device, you know > > what I mean. > > > > Fortunately, I have a CE-510F with an internal power supply and floppy > > disk controller. > > If you're interested, please drop me a PM. > > Thomas > > > > On 07.09.2024 09:17, Steve Lewis via cctalk wrote: > > > A while back I started studying more about the Sharp PC-5000 (and had > it > > up > > > and running at VCFSW in 2023). I'm now coming back to that project, > and > > > one thing I was never able to find was a compatible 5.25 disk drive. > > > > > > I've collected some information about this system at here: > > > https://voidstar.blog/sharp-pc-5000/ > > > > > > And I am hoping to put together a video about out. But one challenging > > > aspect is that its LCD screen is difficult to record (lots of > > > reflections). And despite having lots of schematic documentation now, > > I'm > > > still not savvy enough to try to export its screen content to an > external > > > device that might have a backlight. > > > > > > From my notes, as I recall.... The 37-pin connector at the back of > the > > > PC-5000 is not the same as the 37-pin connector at the back of the IO > > card > > > with the original IBM PC 5150. I believe the Sharp product model > > number > > > I am looking for CE-510F (which might be the same as MZ-80B in certain > > > markets). > > > > > > This isn't an urgent thing - the Bubble Memory modules of this PC-5000 > > are > > > still all working fine and make the system functional. But I do have a > > set > > > of disk with the system that might be interesting to try out. So > just > > > broadcasting here, on the off-chance someone might be familiar with > these > > > and know of a stash of accessories (most likely within a > > Japanese-speaking > > > community, where I think Sharp products were generally more popular). > > > > > > Thanks! > > > Steve v* > > >