http://cgi.ebay.com/Vintage-Northstar-Horizon-Z-80A-Microcomputer_W0QQitemZ1 70171439706QQihZ007QQcategoryZ4193QQssPageNameZWDVWQQrdZ1QQcmdZViewItem Good Luck!...
In a message dated 11/20/2007 6:28:05 PM Eastern Standard Time, ... From my experience this is a good seller, I have purchased vintage computers from him in...
Don't you hate it when a system works and then...you realize you should have taken better notes! First the situation and then the questions My formerly working...
_____ From: NorthStar_Computers@yahoogroups.com [mailto:NorthStar_Computers@yahoogroups.com] On Behalf Of billdeg@... Sent: Tuesday, November 20, 2007...
... should have taken better notes! First the situation and then the questions My formerly working Northstar Horizon will no longer boot formerly known-to-work...
In a message dated 11/21/2007 5:56:55 PM Eastern Standard Time, ... thanks. I read about accessing the monitor from NSDOS, no mention of a boot- monitor, but I...
In a message dated 11/21/2007 4:08:24 PM Eastern Standard Time, ... when drives spin in unison that can mean that that both drives think that they're the boot...
Bill, It is normal for both drive motors to spin during disk accesses. They all share the same /MOTOR signal so when one drive is accessed, all drives spin ...
In a message dated 11/21/2007 11:05:34 PM Eastern Standard Time, ... that's what I *thought* it was doing when things were working correctly, but I did not...
n a message dated 11/21/2007 4:08:24 PM Eastern Standard Time, ... and no terminator ... settings. when drives spin in unison that can mean that that both ...
In a message dated 11/22/2007 9:49:10 AM Eastern Standard Time, ... I have been using AOL 5.0. But it looks like I have to move onto another version. I did not...
Thanks everyone for their help/links. My question has been answered. I downloaded the appropriate drive guides. I verified that there was no terminator (for a...
Hi, My punch finally arrived and I tried it. It works great! I am able to use the old Tandon drive jig to mark where the holes go and then use the punch to...
Bill, I am sad to hear the news about your disk drive. At least Tandon TM100-2A's are relatively plentiful on Ebay. You may want to try to use the MPI drive...
... conclusion ... already in another system. If the TM100 2A is compatible, then a lot of drives will be, this is actually encouraging. there are a huge...
_____ From: NorthStar_Computers@yahoogroups.com [mailto:NorthStar_Computers@yahoogroups.com] On Behalf Of Allison Parent Sent: Saturday, November 24, 2007 8:24...
In a message dated 11/24/2007 8:23:39 AM Eastern Standard Time, ... That would explain a few things! ************************************** Check out AOL's...
Hi, I see a couple of new members have joined up. Welcome! Please introduce yourselves and tell us a bit about your interest in NorthStar computers! Thanks! ...
Hey dudes and dudettes, I'm looking for a Dimension! Got a line on one already, but the dude is dragging his feet. Got to have it shipped. It's a pain! Anyway,...
Hi I'm Rod - collector of vintage computers mostly DEC (because I worked for them), Sun (because they are nice) and I'm looking for a Northstar Horizon because...
... Hi Rod, Another ex Digit. ;) A good programmer editor for CP/M is Vedit, very much like EDT (pdp-11 or VMS) as it had a screen mode and understood TECO...
Well thats a very comprehensive introduction. I'm going to format it up and use it as a reference. You'd think as a former DEC terminal salesman I'd remember...
hi - Does anyone on this list have a MDS AD3 controller and/or compatible drives for sale? I do check Ebay, but usually they're untested gambles. Bill ...
... [snip] ... Hi Rod, I have noticed decent Horizons coming up for sale on Ebay regularly. Just set up a search and you'll get some eventually. Some deals...
... [snip] ... standard? ... Typically, that'd be a ZPB CPU board, HRAM 64K, and MDS-AD3 FDC. Using onboard serial and parallel ports with at least one SA-400...
Hi Bill, Yes, the parts on Ebay are a gamble but fortunately, the TM100-2A drives are plentiful and relatively cheap. You'll inevitably get some duds but you...
... ;) Duing that tiem there were so many differnt vendors and styles. I worked in Mill engineering with the printing system group so I got to see a lot of...
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