Subject: Re: 8-port serial cards?
To: None <laine@morningstar.com, port-i386@NetBSD.ORG>
From: Bruce Evans <bde@zeta.org.au>
List: port-i386
Date: 01/14/1996 23:23:19
>>I know this may not directly help you, since I think these cards are
>>unsupported, but the Rocketport 8/16 cards I saw were _really_ impressive.
>>And, they also were the cheapest!  Linux has drivers for them, I think.
>>If you're wondering how they made them cheaper & better, I think the key
>>is that they integrated a whole buncha stuff on an ASIC... flow control &
>>all that junk.  Down side is that they wouldn't give me programming specs,
>>even in exchange for the driver, for security/asset protection reasons.

>That isn't quite true. They will sell you a "developer kit" which
>contains enough code to get you going to write a driver. We used this
>information to write a RocketPort driver for our routers. I believe
>the way it works is that you get a discount on your first card if you
>buy the developer's kit (it ends up being a couple hundred dollars
>more expensive than just the card).

The Linux driver in ftp://tsx-11.mit.edu/pub/linux/comtrol contains at
least part of the developer's kit, probably enough to write a driver.
The Linux files are GPLed and the Comtrol files are "Copyright 1994
Comtrol ... [not reproducible or distributable in their orginal form]".

Bruce