X-Received: by 10.50.44.13 with SMTP id a13mr8684373igm.3.1434525498775; Wed, 17 Jun 2015 00:18:18 -0700 (PDT) X-Received: by 10.140.106.247 with SMTP id e110mr77952qgf.7.1434525498633; Wed, 17 Jun 2015 00:18:18 -0700 (PDT) Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!peer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!h15no4349831igd.0!news-out.google.com!4ni1982qgh.1!nntp.google.com!z60no1658937qgd.1!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.sys.3b1 Date: Wed, 17 Jun 2015 00:18:18 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=46.138.106.255; posting-account=ywr7fwoAAAAOs7otmAvAPYzN8--GfV7P NNTP-Posting-Host: 46.138.106.255 References: <3b006148-d6eb-4d78-bd6a-4adad7ee8516@googlegroups.com> <3b6dd76d-de7e-4ed6-b1ef-daa56d3ae3c4@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <0dba0b5f-37cf-4761-beea-329971dafa2c@googlegroups.com> Subject: Re: Reconstructing an AT&T 7300 From: vlaarom@gmail.com Injection-Date: Wed, 17 Jun 2015 07:18:18 +0000 Content-Type: text/plain; charset=ISO-8859-1 X-Received-Bytes: 4591 X-Received-Body-CRC: 1502731512 Xref: csiph.com comp.sys.3b1:369 On Wednesday, June 17, 2015 at 4:45:07 AM UTC+3, DoN. Nichols wrote: > On 2015-06-15, vlaarom@gmail.com wrote: > > On Friday, June 12, 2015 at 3:14:55 AM UTC+3, DoN. Nichols wrote: > >> On 2015-06-11, vlaarom@gmail.com wrote: > >> > Hello All, > >> > >> > I've found an at&t 7300 and disconnected floppy, hdd and display. When > >> > I power it up relays in modem are going crazy. > >> > > >> > Why the relays are going crazy? > >> > >> Well ... it is most likely the connector on the power supply. > >> You already have it apart, if you have all of those disconnected, so you > >> can look easily. > > [ ... ] > > >> Of course, it could be something else, but this is what I would > >> check first. > > [ ... ] > > > Thank you. > > I've replaced power supply with a pc atx power supply. Relays are normal now. > > O.K. So likely the power supply connector and/or pins. (Did you > bother to look at the underside of the power supply for melted away > solder around the pins? Also look for "cold solder" joints -- the > solder looks frosted instead of shiny. If you see that, remove as much > solder as you can from that junction and then flow fresh 63/37 lead-tin > solder to get a clean smooth joint. > > > I'm trying to boot at&t, but i see only running green rectangles. All 4 leds are on. > > Lithium battery is dead. > > > > I will try to replace battery. I think it will solve boot problem. > > The only difference that will make will be that if you manage to > get it to boot twice, it will remember the date from the first boot. > That cell does *nothing* else than run the clock chip. > > So -- the marching squares usually come from the inability to > find a boot image on either the hard disk or the floppy. Are you trying > to boot from the hard drive? If it was in there while the system was > getting very glitchy power, as evidenced by the relays, it is almost > certainly not bootable now, and will need to be reformatted and > reinstalled. > > Do you have the floppy set for installing the OS? There is the > basic set, and the development set as an extra-cost option, which gives > you things like compilers, a somewhat better default editor (vi/ex > instead of ed) and a number of other things. There is a floppy set in > the original set which handles encryption, and happens to include a > version of vi/ex which includes encryption. It first checks for the > presence of an installed vi, and updates that if so -- otherwise it > skips it. This means that if you want the updated vi/ex, you must > install the development set before installing the encryption set. (The > encryption was separate, because it could not be exported back then. :-) > > Good Luck, > DoN. > > -- > Remove oil spill source from e-mail > Email: | (KV4PH) Voice (all times): (703) 938-4564 > (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html > --- Black Holes are where God is dividing by zero --- I don't have a floppy set. There are images here(http://bitsavers.trailing-edge.com/bits/ATT/unixPC/). Can i use it? if so can i attach floppy disk from at&t to old PC? Can i use dd to put *.IMD file to floppy? Thank you