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p: r: connection - dead?


knoid

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I picked up an 800XL some years ago; I didn't do much with it after picking it up, and for several years it sat in a basement (side-story there is that I split up with the ex-wife and wasn't able to retrieve it for a long time).

 

I powered it up this weekend, and while both the 800XL and 1050 drive appear to be fully functional (although alas many of the floppies are toast), the P: R: Connection seems to be dead. If I chain the P: R: Connection and the 1050 off the SIO port, the 1050 is not seen by the 800XL at all. Doesn't matter which way round I plug them in (1050 first or P: R: Conn. first).

 

I don't have a manual for the P: R: Connection and Google was unable to turn one up (although I learned all sorts of interesting stuff about other ICD expansion boxes and how they mismanaged themselves out of business in the meantime :D).

 

I'd greatly appreciate it if someone could post the manual (or a link thereunto) and/or give me some basic troubleshooting steps for this puppy. I'd like to use the 800xl as a terminal to my linux box and this would seem to be a way to achieve that. Given the conditions it was stored in I'm happy (and amazed!) that the compy and drive are even turning on at this point!

 

Thanks in advance!

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Update: Found the manual (it was in an envelope I hadn't checked before). I can scan it in if anyone needs it.

 

Plugging the box in and running an OPEN #1,12,0,"R1:" returned error 130 - which would seem to indicate that it's toast.

 

Continuity-checked the cable and there don't seem to be any breaks/shorts. The main chip (rockwell prc9985-6) does warm up which would indicate it's at least receiving power.

 

I have a multimeter & soldering iron and have done SMD soldering before. Is it worth trying to fix this puppy or should I look into building something else?

 

Intended use is to setup the 800xl as a terminal to my linux box. I'd like to do SIO2PC/APE stuff as well but can't afford to buy/build the adapter at this point. Reading over the SIO2PC docs, it doesn't seem to handle serial communications (it talks about adding extra MAX-232's for that I think).

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Update: Found the manual (it was in an envelope I hadn't checked before). I can scan it in if anyone needs it.

 

Plugging the box in and running an OPEN #1,12,0,"R1:" returned error 130 - which would seem to indicate that it's toast.

 

Continuity-checked the cable and there don't seem to be any breaks/shorts. The main chip (rockwell prc9985-6) does warm up which would indicate it's at least receiving power.

 

I have a multimeter & soldering iron and have done SMD soldering before. Is it worth trying to fix this puppy or should I look into building something else?

 

Intended use is to setup the 800xl as a terminal to my linux box. I'd like to do SIO2PC/APE stuff as well but can't afford to buy/build the adapter at this point. Reading over the SIO2PC docs, it doesn't seem to handle serial communications (it talks about adding extra MAX-232's for that I think).

Do you have the disk? I posted it last week in the 8-bit forum.

 

Allan

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Thanks Allan - I have the disk, but as mentioned in my original post the Atari is unable to see the disk drive with the P: R: Connection plugged in.

 

With only the disk drive plugged in it does appear to boot to the disk (I get the terminal splash screen - 850 express i think?) but it's not much use if the box is toast :(.

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  • 3 weeks later...

Dude.. It costs like $5.00 or less...

 

Thanks...however I'm currently out of work so I was hoping to avoid spending even that if possible :D.

 

Who's your preferred supplier (seeing as all I have here are Radio Crap and they haven't stocked anything useful in...years)?

Edited by knoid
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