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 Post subject: Data general av4600
Unread postPosted: Thu May 31, 2012 7:53 am 
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I'm looking for data general aviion 4600 manual.
Tha FAIL led is in solid orange and I can't get serial console either. :(

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 Post subject: Re: Data general av4600
Unread postPosted: Fri Jun 01, 2012 2:56 am 
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AViiONs were reported to fail badly when the NVRAM battery died. Don't know if that's consistent with what you're seeing or not, unfortunately. r bear stricklin was collecting NVRAM dumps from running machines at one point many years ago.

Miod may have some useful input on this when he sees the thread. I've reached at least one of my AViiONs in the storage locker, but it'll still be a while before it comes out...

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 Post subject: Re: Data general av4600
Unread postPosted: Fri Jun 01, 2012 9:04 am 
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Also what is the sort order of memory. This is really a strange machine :?:

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 Post subject: Re: Data general av4600
Unread postPosted: Fri Jun 01, 2012 12:39 pm 
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I believe DG used proprietary memory in all the AViiONs, which unfortunately was pretty common at the time. I can't recall definitely for the VME-based or other wide-pedestal or rackmount servers - maybe the VME boards they used were fairly standard, maybe they used an extra connector/bus...

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 Post subject: Re: Data general av4600
Unread postPosted: Sat Jun 02, 2012 7:16 pm 
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Yes, my experience is that if the NVRAM battery dies, the system won't enter self-test. My AV310CD was so far dead that it couldn't even spit out the NVBATLOW warning message on the serial port.

The good news might be that I think the AV4600 has fewer "magic" memory locations in the NVRAM that need to be set correctly than the AV310 does. So it might be a great deal easier to get it going again than it was mine.

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 Post subject: Re: Data general av4600
Unread postPosted: Sun Jun 03, 2012 1:42 am 
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I think I remember seeing somewhere that r bear was able to get his Maverick (pretty sure it was an AV3x0) going again after he restored the NVRAM battery. Probably a web page, and so probably available via The Google.

Not looking forward to that with my AV530 (?) and AV5500 - hadn't seen any sign of folks reviving those...

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 Post subject: Re: Data general av4600
Unread postPosted: Sun Jun 03, 2012 2:04 pm 
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smj wrote:
I think I remember seeing somewhere that r bear was able to get his Maverick (pretty sure it was an AV3x0) going again after he restored the NVRAM battery. Probably a web page, and so probably available via The Google.

Not looking forward to that with my AV530 (?) and AV5500 - hadn't seen any sign of folks reviving those...


AV310CD, and yes, I did.

I haven't documented it on the site yet, other than to say, "I did it, and thanks to these people who sent me dumps from their AViiONs to make it happen." I got a lot of dumps from AV5* systems, but don't have one myself to experiment. I finally got one guy with what was probably the last remaining AV3x0 with a functioning NVRAM battery to send me a dump from his system, and that gave me the last piece of data I'd been needing.

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 Post subject: Re: Data general av4600
Unread postPosted: Sun Jun 03, 2012 2:34 pm 
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It seems that the machine is going in the closet. Hope someday to see it running :roll:

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:Tezro: :O3x02L: :Indy: :Indigo2IMP: :O2: :O2: :Octane: Motorla Series 900(MVME197LE) , Atari TT030, Motorola Powerstack


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 Post subject: Re: Data general av4600
Unread postPosted: Mon Jun 04, 2012 12:09 am 
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kjaer wrote:
smj wrote:
blah blah blah r bear blah blah blah

AV310CD, and yes, I did.

Uhm. "Oops." :mrgreen:

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 Post subject: Re: Data general av4600
Unread postPosted: Mon Jun 04, 2012 11:17 am 
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smj wrote:
Miod may have some useful input on this when he sees the thread.

I'm afraid I can't be of much help here. I have the programming documentation for the 4600, not the user manual. So I have no idea what to do if nothing happens on the console, and I have no idea about the memory slot layout :(

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 Post subject: Re: Data general av4600
Unread postPosted: Mon Jun 04, 2012 11:20 am 
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smj wrote:
I think I remember seeing somewhere that r bear was able to get his Maverick (pretty sure it was an AV3x0) going again after he restored the NVRAM battery. Probably a web page, and so probably available via The Google.

Do you mean http://www.typewritten.org/Projects/AViiON/NVRAM/backup.html?

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