Televideo TS-806/20

Drive A, on this machine, is the hard drive. So is Drive B. Drive C is the floppy (I had it running, before the HDD started to fail more and would no longer boot). Can you send me a boot disk? T.H.x. Devon At 05:16 PM 12/06/1999 -0600, you wrote: >you wrote > >"I can pop it into my 286 and try to salvage the data." > >NO!!!!! ABSOLUTELY NOT!!!!! YOU MUST IMMEDIATELY MOVE IT TO AN ENVIRONMENT >WHERE IT CANNOT BE ROACHED UP BY A PC OR OTHER MACHINE!!!!. Preferably a >county (better yet, country, or, better still, planet) totally devoid of >other computers. > >The floppy drive is a dsdd 48 tpi drive, quite standard, and, as the error >messages suggest, the system loaded from the hard disk expects to find >something on the FDD. All diskettes are not alike. Not even all boot >diskettes are alike, but you should have enough on the HDD to create a

>diskette from what's there and live happily ever after. You might even be >able to save the "network" OS, which it may have on it, though that's not >necessarily what YOU will want to do. Still, if someone else wants it, >you're better off with having it than not. > >What you have now works, though it's looking for something you probably >haven't got. > >Bdos Err On A: Bad Sector doesn't mean anything except that it can't read >what it thinks it ought to read on drive A, the floppy. > >if you hit <enter> a few times, it should give up. If you hit <CTL-C> it >should terminate whatever it's doing and warm boot, though that might lead >you back to the BDOS Error. I don't remember whether CP/M retries its >submit files (like a DOS Autoexec.bat) on a warm boot. > >Try to figure out what it's looking for. There might be a file of the

>*.sub, though that might be hidden, (look in user 15) which you can

>to a floppy formatted (heaven knows what that procedure is called on this >machine) right there on it's own drive so you'll have it. Perhaps you >should get someone local to you to help you find the missing item and save >it on a floppy. > >I can send you a boot diskette, but there's no guarantee that it will >contain what your system is looking for because my system didn't have the >same OS. > >Dick > > >-----Original Message----- >From: Devon &lt;bobcaar(a)cyberdude.com&gt; >To: Discussion re-collecting of classic computers &gt;&lt;classiccmp(a)u.washington.edu&gt; >Date: Saturday, June 12, 1999 1:32 PM >Subject: Re: Televideo TS-806/20 > > >>My machine has one floppy, one HDD & no free bays. The floppy is a TEAC >>FD-55B-01-U. The hard drive is a CD JOHNSON & ASSOCIATES LTD. The only >>daughter board in it is the HDC board. There are around two empty small >>dip sockets under the drive rack. I finally got it to boot after a few >>power cycles. >>On boot it displays: >>System IPL from Hard disk in progress >> >>TELEVIDEO SYSTEM TS-806/20 V1.2 >>60k CP/M Vers. 2.2 >>Tandon TM-503 Winchester. >> >>Copyright 1985, Software 2000, Inc. (9/1541) >>Testing 64K of memory...............no errors >>A:OSMASTER.SYS loading from 915C to FFFF, size 6EA4 >>TurboDOS 1.42, Copyright 1985, Software 2000, Inc. (9/1525) >> >>and I am left in TurboDOS. After a while, I started to get read errors. >>And now on boot I get: >>System IPL from Hard disk in progress >> >>TELEVIDEO SYSTEM TS-806/20 V1.2 >>60k CP/M Vers. 2.2 >>Tandon TM-503 Winchester. >> >>Bios Read Error on A: >>Track = 0002, Sector = 00 >>WDC status = 51H, WDC error = 01H >> >>Bdos Err On A: Bad Sector >> >>So, It seems like I'm going to need that boot disk after all. >>Also, Do you know if this hard disk interface is MFM? If it is (as it >>looks), I can pop it into my 286 and try to salvage the data. >> >> T.H.x. >> Devon >> >> >>At 08:45 PM 11/06/1999 -0600, you wrote: >>>The computer has bays for two floppy and two hard disk drives. You do >have >>>to open it up to see them, but if you've seen the controller board, and

>>>you've seen the dip switches, you must know whether or not you have the >>>winchester drive(s). A -20 normally had a single 20MB drive, which, for >>>those days, was pretty decent. Two of them - WOW! that was a BIG >machine. >>>If you haven't got hard disks in the box, or if they're disconnected,

>>>should probably connect them up and try to see if they boot. That "IPL

>. >>>." message is what you get when it sees there's nothing in the Floppy >Drive. >>>Do you have a floppy drive? Let's figure out what's on this machine >before >>>we go off half-cocked. >>> >>>The boot disk is no big deal to create, though my '806's are both

>>>outdoors, having had their HDD's cannibalized years ago. I can probably >>>read the things with my AMPRO, which means I should be able to write

>as >>>well. >>> >>>I need to know whether your floppy drives are 48TPI or 96 TPI drives, >since >>>both were in common use. >>> >>>Next time you're inside the box, see what else is inside. Are there any >>>daughterboards, or are there any empty sockets? >>> >>>Dick >>> >>>-----Original Message----- >>>From: Devon &lt;bobcaar(a)cyberdude.com&gt; >>>To: Discussion re-collecting of classic computers &gt;&gt;&gt;&lt;classiccmp(a)u.washington.edu&gt; >>>Date: Friday, June 11, 1999 8:28 PM >>>Subject: Re: Televideo TS-806/20 >>> >>> >>>>I hadn't known thats what they were for (winch)...If I ever get some, I >bet >>>>I can rig something up. After fiddling around some more (thanks for

>>>>info, all), I've got it to work...kind of...When it starts it now says >>>>"System IPL from Hard disk in progress". Then no more... I know the

>>>>booted before ...I could type garbage back when I was getting garbage >>>>(about 4 times before it quit)... It would be great if you could send

>a >>>>boot disk... Televideo hasn't replied to my e-mails yet...I'll give

>a >>>>few more days.. >>>> >>>> T.H.x. >>>> Devon >>>> >>>>At 06:24 PM 11/06/1999 -0600, you wrote: >>>>>Well, I'm not sure I agree about the relative importance of cables

>>>>>which to interface a hard disk. That's probably the one thing that >makes >>>a >>>>>computer compute fast enough to be useful. >>>>> >>>>>First of all I'd try 9600 baud before anything else, since I believe >>>that's >>>>>the default. I don't remember what the board switches do, but I can >hunt >>>>>around for the manual and get back to you. I wouldn't use PCAW, as a >>>>>terminal, myself. I haven't had good luck with it. How about >>>Hyperterminal >>>>>of Procomm. I've used both of those in connection with a PC and had >>>better >>>>>luck than with PCAW, though I've had good luck using PCAW for file >>>>>transfers, etc. >>>>> >>>>>This box was ostensibly a file server and probably contains VERY >important >>>>>software, e.g. the MMMost (or whatever it was called) network OS,

>>>>>isn't around any longer. This box is capable of serving as a >single-user >>>>>system, but if you still have the HDD, from which it should boot all

>>>>>itself if it hasn't been roached up, you might want to preserve it. >>>>> >>>>>Well you're in luck . . . I got a phone interruption after which I >thought >>>>>of a place to look for the manual...Oddly enough, that's where it was. >>>>> >>>>>The manual says the "upper" four bits of the dip switch is used for >baud >>>>>rate settings. The lower four bits (5,6,7,8) are unused except for >>>position >>>>>8 which is reserved for diagnostics. Obviously, the one who wrote

>>>>>manual was on drugs. A closed switch is a zero. >>>>> >>>>>The baud rates go from 19.2K down to 75, with ascending values from