scott@max.acs.washington.edu (08/25/89)
ACKNOWLEDGEMENT: This post should be credited to BRUCE WADE of
"Library BBS", (206) 562-2447, Seattle, WA, USA
In message <rex.cs.tulane.edu>. hoang@rex.cs.tulane.edu (Dzung Hoang) writes:
-
- A friend of mine has a 2400 baud RS232 modem that is connected to his
-C-64 through an Aprotek modem converter. He can get the modem to work fine
-at 300 and 1200 baud, but at 2400 baud, extraneous characters start to
-appear and he can't even send the AT command to the modem. Is this a
-problem with the modem, the interface, or the C-64? I have a feeling that
-the C-64 is not fast enough to handle 2400 baud. Any help would be
-appreciated. Reply to the address below.
-
-Dzung Hoang
-hoang@comus.cs.tulane.edu
-tulane!comus!hoang
Msg#:40594 *Commodore*
08/24/89 22:30:25
From: BRUCE WADE (Library BBS)
Subj: REPLY TO MSG# 33772 (531/2400 BAUD)
To USENET: I think the problem may be in the interface(Aprotek) I have an
Aprotek modem(Great little blue box!!) and their products for the C-64 only go
to 1200 baud. The RS-232 interface flyer does not mention a 2400 baud capacity,
so I assume that it will only(consitentl y) go to 1200. If I were selling a
product for the '64, I would mention the higher baud rate. Good luck
jgreco@csd4.csd.uwm.edu (Joe Greco) (08/28/89)
In comp.sys.cbm article <6063@max.acs.washington.edu>, scott@max.acs.washington.edu wrote: ]Msg#:40594 *Commodore* ]08/24/89 22:30:25 ]From: BRUCE WADE (Library BBS) ]Subj: REPLY TO MSG# 33772 (531/2400 BAUD) ]To USENET: I think the problem may be in the interface(Aprotek) I have an ]Aprotek modem(Great little blue box!!) and their products for the C-64 only go ]to 1200 baud. The RS-232 interface flyer does not mention a 2400 baud capacity, ]so I assume that it will only(consitentl y) go to 1200. If I were selling a ]product for the '64, I would mention the higher baud rate. Good luck I have not seen an RS232 interface in the last few years that is capable of less than 4800 baud. The electronics normally used for C64 interfaces are generally capable of 19,200 bps and even higher rates. Consistently. The problem is much more likely to be that the software on the 64 cannot handle 2400 baud. We all know that the 64 messes up at 1200, but a software patch is included with just about every modem program. This patch doesn't work so hot at 2400 baud, but there are new and enhanced RS232 drivers that will work. Because of this problem, I usually end up running both of my Courier 2400 modems at 1200 baud. -- jgreco@csd4.milw.wisc.edu Joe Greco at FidoNet 1:154/200 USnail: 9905 W Montana Ave PunterNet Node 30 or 31 West Allis, WI 53227-3329 "These aren't anybody's opinions." Voice: 414/321-6184 Data: 414/321-9287 (Happy Hacker's BBS)