Just to close this off, I made a post on what I found with the PicDisc on
the Olivetti M10 here if anyone is interested:
https://vintagecomputer.ca/picdisc/

Thanks,
Santo
https://vintagecomputer.ca

On Mon, Jun 1, 2026 at 11:25 PM B9 <[email protected]> wrote:

> Now _that_ is a snazzy Model-T for the fashion-conscious, high power
> businessman of the 1980s!  When you whip that out it'll impress even the
> Old Boys in the board room.
>
> Of course Radio-Shack could never pull that off, but I wonder if anyone
> ever hot-rodded their Model 100 for style. Maybe some racing stripes to
> make it go faster?
>
> --b9
>
>
> On June 1, 2026 6:48:45 PM PDT, Santo Nucifora <[email protected]>
> wrote:
>
>> Thanks for asking about it.  I actually got it working this afternoon
>> after changing the 12 volt battery, replacing a bad diode and the internal
>> fuse.  An intermittent ribbon cable issue didn't help either but sorted
>> that out.  I had to archive the disks before using them so I was happy to
>> be able to reproduce them for testing.  I could go on and on so I'll put up
>> a blog post and post a link when done.
>>
>> Here is a quick picture.
>> https://vintagecomputer.ca/files/TRS-80/PicDisc/PicDiscOlivettiM10sm.JPG
>> Sorry, tried to include a picture but it was too big for the list so I
>> posted a link to the picture.
>>
>> It is CP/M only.  Shows 60 columns by 8 rows but you can window around
>> with the arrow keys so it actually supports 80 x 24 as advertised.  I need
>> to figure out how to put some CP/M software on the floppies.  I'll make a
>> full blog post and post here soon.
>>
>> Thanks,
>> Santo
>>
>> On Mon, Jun 1, 2026 at 9:19 PM B 9 <[email protected]> wrote:
>>
>>> I had never heard of PicDisc before. The advertisement in Portable
>>> 100/200/600 Magazine (February 1986) makes it sound like quite the
>>> wonderbeast with every feature one could wish for: floppy drive, CP/M, 64K
>>> RAM, 60-column display, light-weight, and rechargeable. And all that for
>>> just $600. In the same issue, the Chipmunk is advertised at $500 and
>>> that's just a floppy drive.
>>>
>>> I hope that once you get your PicDisc working, you'll post more about it
>>> so there won't be such a dearth of information for the next person who
>>> finds one.
>>>
>>> —b9
>>>
>>>
>>>
>>> [image: image.jpeg]
>>>
>>> On Sat, May 30, 2026 at 5:45 AM Santo Nucifora <[email protected]>
>>> wrote:
>>>
>>>> Hi folks,
>>>>
>>>> It's my first post but I am not new to the M100.  I've refurbished two
>>>> or three via recapping and they are great little machines.  I was recently
>>>> intrigued by and acquired an Olivetti M10 with PicDisc drive from someone
>>>> on eBay who got it from an estate sale.  They have no idea how it works AND
>>>> there's no documentation, of course.  It would not power on for them but I
>>>> expected that.
>>>>
>>>> I've since received it and taken it apart and the M10 works fine.  Caps
>>>> all look fine but I had to remove the battery as there was some corrosion
>>>> but not much.  It pops up a PicDisc battery warning and then shuts down
>>>> immediately.  Makes sense, I guess.  I am waiting for a new 12 volt
>>>> rechargeable lead acid battery to arrive.  I'm surprised there was one that
>>>> small but at 1.2ah, it's supposed to last for 20 hours on  a single charge
>>>> with normal use.   In case anyone is wondering, it uses the same Teac
>>>> FD-35E 3.5" single sided drive mechanism as the Chipmunk drive that Hey
>>>> Birt! had in the drive he restored recently.  I think I'll chance firing it
>>>> up as is.
>>>>
>>>> First off, I would love to hear from anyone that has had experience
>>>> with a PicDisc.  I think I may have a CP/M disk or two that might work as
>>>> the PicDisk boots up CP/M 2.2 from what I've read.  I haven't gotten up to
>>>> powering it up yet but I have already archived the disks I think might work
>>>> with it.  Initially it also came with a bunch of MS-DOS disks that don't
>>>> seem to be related at all and nothing screams "PicDisc" expect for one or
>>>> two single sided double density 3.5" diskettes with hand written labels.
>>>>
>>>> I was going to play with the PicDisc this morning with the dead battery
>>>> installed as there is a barrel jack on the PicDisc unit but no markings as
>>>> to what voltage.  I might guess 12VDC because to the recharging needed but
>>>> there is a mystery barrel plugged wire that is hand-soldered to the M10
>>>> battery terminals that was just coiled up near the PicDisc barrel jack.  It
>>>> fits the barrel jack of the PicDisk and would be 6VDC (battery compartment
>>>> voltage on the M10).  Because of this, it makes me pause as to what voltage
>>>> is needed on the PicDisc so for now I wait for the battery.  That should
>>>> make it work as it will come fully charged.  The board in the PicDisc has
>>>> 32K of static RAM on it along with a bunch of other electronics so I don't
>>>> want to fry anything accidently with the wrong voltage.
>>>>
>>>> If anyone has any experience with the PicDisc, I'd love to fine any
>>>> software, documentation to even just your experience with it and what that
>>>> input voltage should be on the PicDisc because, of course, it did not come
>>>> with an adapter. With the 12VDC battery recharging needed, I am just not
>>>> sure.
>>>>
>>>> I've only been able to find ads, a comparison article of the Chipmunk
>>>> drive VS the PicDisc and one post that talked about 22Disk settings for the
>>>> format used by the PicDisc so I am hoping to find someone who might have
>>>> had one.
>>>>
>>>> Any help or feedback is much appreciated.  Let's hope I can get this
>>>> PicDisc working like it used to.
>>>>
>>>> Santo Nucifora
>>>> https://vintagecomputer.ca
>>>>
>>>

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