On Saturday, 28 August 1999 at 2:52:12 -0500, Kris Kirby wrote: > Daniel O'Connor wrote: >> >> On 28-Aug-99 Kris Kirby wrote: >>>> RS232? RS485? VERY cheap and the later is at least moderatly resistant to >>>> noise >>> Noise shouldn't be an issue. It's going to be handling "clean" data. By >>> cheap, I mean $5 a pop or so. I've got a few 3C503s that I feel like >>> cutting into. I'm going to be bearing the financial end of this project >>> of mine, so I'm going to save where I can. :-) >> >> Well serial ports come free on all new computers ;) > > You're right, I should have clarifed. I'm looking to break 128K. I don't > have any serial ports that I can jumper up to 460 or 230 kbps. > Additionally, 256K is a nice round number :-).
So what's wrong with PLIP? Last time I used it, I was getting about 50 kB/s out of it. > I'm not looking to invest in new hardware, and I can save on a bit > of hardware by letting the NIC worry about the link. The NIC also > greatly simplies the system. At worst, I'd need a machine with a > 3C503 and a NE2000. And then I'll probably use dummynet for > bandwidth limiting over the link so it doesn't get flooded. > > I'm going to be building at least three of these units, assuming I get > the technical issues out of the way. So I'm looking at a cheap (hardware > and software) way of getting data in and out of a PC with IP support and > such. It just makes sense in my POV to use a NIC. It's capable of 10 > Mbps and has most of the circuitry for preparing data for transmission > on it. If you will, it's a ready to use data pump. I think the technical issues will be your problem. Greg -- See complete headers for address, home page and phone numbers finger g...@lemis.com for PGP public key To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
