The 6300 came with 2.11 and there was an upgrade to 3.2.3 IIRC. 

Bill

Sent from MailDroid

-----Original Message-----
From: Steve Nickolas <usotsuki@buric.co>
To: tuhs@minnie.tuhs.org
Sent: Sun, 23 Jun 2019 22:06
Subject: Re: [TUHS] Floppy to modern files for Usenet maps

There's always the option of Interlnk if one has PC DOS 5.02 or later, or 
MS-DOS 6.  I think it has a way to send itself over serial to a machine 
with DOS 3.3 or later and I want to say the 6300 came with 3.3.