RE: Help with SX64 User Port?

From: hwarin <>
Date: Fri, 16 Oct 2015 00:18:16 +0200
Message-ID: <026CE5D86F9149CCB4A01E40B2594A22@abbdomain.local>
Exactly the same as you are … In my “office”, I still have a plastic C128D
on my desktop and a SX64 right behind me, over a 8250… but no stock C64. In
case of any need, I can make tests/measurements on my regular SX and some
checks/compare on another one, for spare parts but known to be fully OK.


FYI, I have under the hand a “” user port to NIC board
(rev 2.c). It never appears to be working but the serial to NIC interface
(WizNet) was confirmed ok. From what I’ve found on this issue, my
commodoreserver board has an issue with 3.3v/5v handling that have been
corrected in later revisions.


Another possibility for this issue could be cabling … distance from 6526 to
user port is far longer with the SX … may be some buffers could help ? a VIC
1011 works well with the SX; you might try with some userport--> true RS232
--> Arduino interfaces


About (Pics here: <> :
Nice toy …




De :
[] De la part de Justin
Envoyé : mercredi 14 octobre 2015 01:19
À :
Objet : Re: Help with SX64 User Port?


I really like my SX-64 because the keyboard is so much better to type on.
Same thing with the 128D. I doubt I'm alone.


On Oct 13, 2015, at 17:52, Terry Raymond <> wrote:

Hi Leif,


This is a good option for internet access I would use this device.

-Terry Raymond

On Tuesday, October 13, 2015, <> wrote:

> On 2015-10-13, at 03:28, Daniel V. Mackey < <javascript:;> >
> At 09:25 PM 10/12/2015, you wrote:
>> Thanks, I know about the mod  (link is
>>, I believe).
>> I'd hate to have to ask users to mod their SX, especially since an
>> EZ232 works on a stock SX64.
>> Cheers,
>> -Leif
> Yeah but how many people will use an SX?

I have quite surprisingly high number of requests regarding DolphinDOS for
the SX. It is becoming somewhat more popular among the hobbyists recently, I


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