Announcement

Collapse

Forum Rules and Etiquette

Our mission ...

This forum is part of our mission to promote the preservation of vintage computers through education and outreach. (In real life we also run events and have a museum.) We encourage you to join us, participate, share your knowledge, and enjoy.

This forum has been around in this format for over 15 years. These rules and guidelines help us maintain a healthy and active community, and we moderate the forum to keep things on track. Please familiarize yourself with these rules and guidelines.


Rule 1: Remain civil and respectful

There are several hundred people who actively participate here. People come from all different backgrounds and will have different ways of seeing things. You will not agree with everything you read here. Back-and-forth discussions are fine but do not cross the line into rude or disrespectful behavior.

Conduct yourself as you would at any other place where people come together in person to discuss their hobby. If you wouldn't say something to somebody in person, then you probably should not be writing it here.

This should be obvious but, just in case: profanity, threats, slurs against any group (sexual, racial, gender, etc.) will not be tolerated.


Rule 2: Stay close to the original topic being discussed
  • If you are starting a new thread choose a reasonable sub-forum to start your thread. (If you choose incorrectly don't worry, we can fix that.)
  • If you are responding to a thread, stay on topic - the original poster was trying to achieve something. You can always start a new thread instead of potentially "hijacking" an existing thread.



Rule 3: Contribute something meaningful

To put things in engineering terms, we value a high signal to noise ratio. Coming here should not be a waste of time.
  • This is not a chat room. If you are taking less than 30 seconds to make a post then you are probably doing something wrong. A post should be on topic, clear, and contribute something meaningful to the discussion. If people read your posts and feel that their time as been wasted, they will stop reading your posts. Worse yet, they will stop visiting and we'll lose their experience and contributions.
  • Do not bump threads.
  • Do not "necro-post" unless you are following up to a specific person on a specific thread. And even then, that person may have moved on. Just start a new thread for your related topic.
  • Use the Private Message system for posts that are targeted at a specific person.


Rule 4: "PM Sent!" messages (or, how to use the Private Message system)

This forum has a private message feature that we want people to use for messages that are not of general interest to other members.

In short, if you are going to reply to a thread and that reply is targeted to a specific individual and not of interest to anybody else (either now or in the future) then send a private message instead.

Here are some obvious examples of when you should not reply to a thread and use the PM system instead:
  • "PM Sent!": Do not tell the rest of us that you sent a PM ... the forum software will tell the other person that they have a PM waiting.
  • "How much is shipping to ....": This is a very specific and directed question that is not of interest to anybody else.


Why do we have this policy? Sending a "PM Sent!" type message basically wastes everybody else's time by making them having to scroll past a post in a thread that looks to be updated, when the update is not meaningful. And the person you are sending the PM to will be notified by the forum software that they have a message waiting for them. Look up at the top near the right edge where it says 'Notifications' ... if you have a PM waiting, it will tell you there.

Rule 5: Copyright and other legal issues

We are here to discuss vintage computing, so discussing software, books, and other intellectual property that is on-topic is fine. We don't want people using these forums to discuss or enable copyright violations or other things that are against the law; whether you agree with the law or not is irrelevant. Do not use our resources for something that is legally or morally questionable.

Our discussions here generally fall under "fair use." Telling people how to pirate a software title is an example of something that is not allowable here.


Reporting problematic posts

If you see spam, a wildly off-topic post, or something abusive or illegal please report the thread by clicking on the "Report Post" icon. (It looks like an exclamation point in a triangle and it is available under every post.) This send a notification to all of the moderators, so somebody will see it and deal with it.

If you are unsure you may consider sending a private message to a moderator instead.


New user moderation

New users are directly moderated so that we can weed spammers out early. This means that for your first 10 posts you will have some delay before they are seen. We understand this can be disruptive to the flow of conversation and we try to keep up with our new user moderation duties to avoid undue inconvenience. Please do not make duplicate posts, extra posts to bump your post count, or ask the moderators to expedite this process; 10 moderated posts will go by quickly.

New users also have a smaller personal message inbox limit and are rate limited when sending PMs to other users.


Other suggestions
  • Use Google, books, or other definitive sources. There is a lot of information out there.
  • Don't make people guess at what you are trying to say; we are not mind readers. Be clear and concise.
  • Spelling and grammar are not rated, but they do make a post easier to read.
See more
See less

PF-10 Disk Drive - not working with PX-8

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    PF-10 Disk Drive - not working with PX-8

    Hi,

    Picked up an Epson PF-10 disk on a Ebay auction last year and have started working on getting it connected to my Epson PX-8.

    When I plug it in with the nicad battery pack, the Battery light turns on - I'm sure the battery pack is bad.

    I then insert new 4 C batteries, turn it on and the battery light does not turn on, but either does the "Power" light on front.

    When i insert a floppy disk, the disk does not spin and the unit makes no noise like it is operating....

    I opened it up and noticed that there is an internal 4.7v internal battery. If this battery goes bad will the unit still work? Documentation says that it is for backup....

    Here is a picture of the disk drive opened up - the long yellow thing is the internal battery:



    Also - the disk drive did not come with a cable - so I created a #723 cable myself with this pin configuration:

    Pin 1 to Pin 5
    Pin 2 to Pin 3
    Pin 3 to Pin 1
    Pin 6 to Pin 2
    Pin 7 to Pin 4

    Does this seem correct for the PX-8 ? Got the pin configuration from a PX-8 users manual....

    Let me know if you have any ideas or suggestions...

    Derek
    Last edited by detnyre; January 28, 2008, 07:10 PM.
    Check out my blog at: http://www.dereketnyre.com

    #2
    I would say it is not getting any power when the batteries are in there. Get out your volt ohm meter and see the the battery voltage gets to the PCB connector. I had mine working for awhile. It was VERY flaky from day 1. I would have to turn it on and off over and over. Most of the time the batt low would flash so I would turn off and back on again. I found that with NO diskette in the drive, if the power light and the access light came on and the batt low stayed off, then it would actually access the diskette when inserted. I found that I always had to have super fresh batteries and I would have the power plugged in also. Without the batteries in there, it would spin the diskette but the track access hardware didn't work.

    Originally, to get it to do anything, I had to take it all apart, reseat the power transfer wires (that group of 6 heavy wires that plugs into a 3 x 2 connector) and use it sitting bare with no case. It was great fun for about 1 hour when I finally got it working. Then, a few months later, I couldn't get it to work anymore. So, now it sits dead in a pile.

    Comment


      #3
      Thank you for the advise - I will get the multi-meter out tonight and check the power connection to the PCB board.

      I'm also finding that it behaves a bit erratically when I turn it off and on - sometimes the battery light turns on, sometime it does not....

      Derek
      Check out my blog at: http://www.dereketnyre.com

      Comment


        #4
        Hi,

        I've got a PF-10, but luckily I never had a problem with it.

        Check the link below for some info on the PF-10 (down on the page). There is a link to the technical reference manual of the PF-10, but just now the file seemed to be missing - try again in a few days, maybe! I'll see if I have the techref manual offline somewhere, too.

        http://electrickery.xs4all.nl/comp/px8/

        Regards,

        Oscar.

        Comment


          #5
          Hi, hope it's OK to resurrect this old thread. I have a couple of PF-10's one continually gives bad sector errors whilst the other behaves as described by Chuck above. It will work but you have to turn it on and off several times.

          My guess is the backup battery on the board is not taking a charge and this is causing problems even if the main battery is charged.

          Anyway I wondered if anyone had any other ideas?

          Charlie
          My Blog - Retro bits, Epson, Atari, Commodore & Other Stuff

          Comment

          Working...
          X