Lewallen@DOCKMASTER.NCSC.MIL (06/27/89)
Re: K10 Hard Disk problems I, too have noticed the temparature problem, but did not realize it could be the drive itself. I used to have to let it warm up after I took it too the office in the cold weather. --Ric Lewallen
GHK@NCCIBM1.BITNET (06/29/89)
> Date: 24 Jun 89 09:50:42 GMT > From: pacbell!sactoh0!ianj@ames.arc.nasa.gov (Ian R. Justman) > Subject: Buffering with Softcard CP/M and Super Serial Card on Apple II > > I have a problem using some of my communications software on my > Apple II Plus using Softcard CP/M and a Super Serial Card clone. I > keep losing characters like crazy. Is there a way to buffer > incoming characters so I don't miss a beat? Thanks in advance. > Due to the slow clock speeds of the 6502, which does all of the I/O for the PCPI APPLICARD, it is very capable of loosing characters. Functions such as ringing the bell or clearing the screen takes all of the 6502 and any further characters being recieved will be trashed until the current process is complete. The only way to avoid this is to allow the board to generate a processor interupt and store the data in a buffer until there is time to do something with it. This works well but you will probably have to write it yourself. This is not an easy task without the PCPI developers kit. The interupt must be written in 6502 native code and interfaced with the PCPI BIOS. The developers kit has the tools needed for this process. I wrote a versio for the Promethieus Versacard and was very succesful in getting it to work for speeds up to 19200 bps. Gary Hutchison GHK@NCCIBM1
ianj@sactoh0 (Ian R. Justman) (07/03/89)
In article <8906290704.AA24802@ucbvax.Berkeley.EDU>, GHK@NCCIBM1.BITNET writes: > Due to the slow clock speeds of the 6502, which does all of the I/O > for the PCPI APPLICARD, it is very capable of loosing characters. I don't think you understood what I said. I said I had a SOFTcard which is from Microsoft and not the Applicard which is from PCPI. However, I'll take what you said into consideration, even though I'm stuck with a SoftCard. -- Home: Ian Justman |UUCP: |"One of the few 6612 Whitsett Drive | |die-hard CP/M North Highlands, CA 95660| pacbell!sactoh0!ianj |addicts left on this (916) 344-5360 | |planet"