test-drb

test-drb@ccmp.vtda.org

101090 discussions

by mail＠waldemar-brodkorb.de

Hi, after my Micro PDP11/83 boots up, I like to connect a Digital VT420 to the console port. This worked approx. 10 years ago. Now when I poweron the VT420 I get no message on the screen. The f3 key doesn't give me the configuration menu. Is it broken? Does it have some invalid configuration in NVRAM and can be resetted? I tried changing brightness and contrast, no change. Is it normal that the right LED is always on? See the picture. https://debug.openadk.org/pdp11/vt420.jpg I tried with and without serial connection to another system. Thanks for any advice, Waldemar

8 years, 3 months

I ran across this strange modernistic? Data General ...odd? computer?

by michael.99.thompson＠gmail.com

> > Date: Sun, 20 May 2018 18:04:00 -0400 > From: Ed Sharpe <couryhouse at aol.com> > To: cctalk at classiccmp.org > Subject: I ran across this strange modernistic? Data General ...odd? > computer? > > While? in the warehouse I ran across this strange modernistic? Data > General ...odd? computer? > I do not remember buying it!? ?Ed# > ? > ? > "https://www.smythretail.com/wp-content/uploads/2012/05/DG10_1-300x227.jpg > " > > The RICM has one, but it is not on the WWW site. Michael Thompson

8 years, 3 months

SMECC Museum PROJECT needs to buy or trade for or beg for the HP hand Held (700 series? help?) that was phone and a computer.... the early ones and also the later Win CE ones.... also need ad materials promo videos... anything related to spice display up... please drop note off list to us. thanks Ed#

by couryhouse＠aol.com

Sent SMECC Museum PROJECT needs to buy or trade for or beg for the HP hand Held (700 series? help?) that was phone and a computer.... the early ones and also the later Win CE ones.... also need ad materials promo videos... anything related to spice display up... please drop note off list to us. thanks Ed# AOL Mobile Mail

8 years, 3 months

Looking for a VALinux console adapter, for model 1000

by bobsmithofd＠gmail.com

Console Adapter 102267-00 VA 1000 THanks for any hints or leads! i have one stashed and can't find it of course. bb

8 years, 3 months

Re: I ran across this strange modernistic Data General ...odd computer

by Bruce＠Wild-Hare.com

G'day Zane - Like every other computer system created, the Desktop Generation has its own set of quirks and wonders. It was an interesting evolutionary repackage of the microEclipse processor, but I never saw a customer or user site actually using the Model 10's MS-DOS "compatibility feature". The hardware consisted of modular metal frame chassis with snap-on plastic covers. While great for manufacturing and cost control, the delicate plastic cover retaining tabs were always breaking and the covers would pull away from the chassis or just fall off. Only an annoying cosmetic problem until you find that a "dead man's switch" interlock was maintained by the power supply chassis front cover. Yes, the power supply would always be cut off whenever the plastic cover shifted, vibrated or fell off the chassis. Which happened often. (The cheapest solution was the unintended, creative use of a ball point pen combined with nerd engineering.) Many OEMS delivered DG/RDOS- or AOS-based applications written in ICOBOL or Business BASIC (i.e. NAPA). These were good systems for OEMs who had previously developed software for DG - providing their application was not disk-bound. DG eventually was forced to design and sell a parallel I/O bus option to help improve disk performance... to the confusion of customers previously told of the benefits of a serial I/O bus design. The system was followed by the DG/500, which had a similar hardware functional microEclipse-based design but enclosed in a then-familiar IBM PC AT (desktop) form factor. This was the final unsuccessful attempt to defend the low-end 16-bit Eclipse line from the PC onslaught. ----- Bruce Ray Wild Hare Computer Systems, Inc. Boulder, Colorado USA bkr at WildHareComputers.com ...preserving the Data General legacy: www.NovasAreForever.org

8 years, 3 months

I ran across this strange modernistic Data General ...odd computer

by couryhouse＠aol.com

While? in the warehouse I ran across this strange modernistic? Data General ...odd? computer? I do not remember buying it!? ?Ed# ? ? "https://www.smythretail.com/wp-content/uploads/2012/05/DG10_1-300x227.jpg" take the quotes away and put in browser see photo ? ? There are? 2 only I find on net... correct me? if there are more please especially? if there are manual links... the only? ?one physically? is? one at? chm that? is not as? wide. ( maybe no hard drive or less i/o options?) Any other? sites? with info?? 1981 and? multi? user? micro... cool!? ? link to smyth retail site that? ?used these? ? https://www.smythretail.com/our-team/smyth-history-a-tradition-in-automatio… ? link to photo only ? "https://www.smythretail.com/wp-content/uploads/2012/05/DG10_1-300x227.jpg" take the quotes away and put in browser see photo

8 years, 3 months

Kaypro 2000 charging

by r_a_feldman＠hotmail.com

Message: 20 Date: Wed, 16 May 2018 20:40:04 -0700 (PDT) From: Fred Cisin <cisin at xenosoft.com> <snip> >I remember an interview with Lee Felsenstein, in which he was asked how >much a battery power unit for the upcoming Osborne would weigh. He >reponded that the external DC connection was currently for use with a car. >(Lee was driving a Honda Accord). Sorry for the late reply, but I was travelling and needed to dig out the unit. The lead-acid battery for the Osborne Powr-Pak(tm) I own weighs 3.59 kg. Bob

8 years, 3 months

Original CAD code in the wild?

by jnc＠mercury.lcs.mit.edu

>From: Al Kossow > NASTRAN is available That's a finite element modeling code, isn't it? (I guess it all depends on what the OP meant by 'CAD'...) Noel

8 years, 3 months

Original CAD code in the wild?

by jnc＠mercury.lcs.mit.edu

> From: Randy Dawson > For a while I have collected bits of legacy CAD > ... > My question is, did any of the source code for these systems > .. ever make it out Well, not quite what you're asking about, I think (it sounds like you're interested in MechE CAD, not EE, even though SPICE was mentioned), but the original Stanford SUDS is still available, I think. > I know we are primarily a hardware group here, but where is the > interest in the software discussed? Is that a plaint ('how come we don't do software'), or a query ('where is software discussed')? If the latter, it tends to be system specific, from what I've seen - e.g. there's 'TUHS' for Unix, "its-hackers" for ITS, etc. Noel

8 years, 3 months

MS11 M8110/M8120 controller card differences

by jnc＠mercury.lcs.mit.edu

> From: Bob Smith > 8110 for MOS memory, and 8120 for bipolar memory is what field guyde > list says. Well, the early bipolar MS11-C (1K boards) used the M8110 during early production (see e.g. DEC-11-HMSAA-D-D, pg. 1-1), and apparently then switched over to the M8120. I've only seen the later MS11-A bipolar (4K boards - dunno why it's in reverse alpha order) associated with the M8120. > I think the there was some change from special select parts and a move > to schottky 74S series around the time of the 45/50 days. I wondered that, but the MS11-C and MS11-A are the same speed (300 nsec); although maybe the M8110 was a bit marginal, and component changes in the M8120 made it more robust? I guess I'll have to do it the hard way, and compare the ICs... :-( > 11/40 was faster than 11/35, but if you changed a wire, they were the > same. I've heard of other manufacturers doing that, but I thought the /35 and /40 were identical, except for the number on the console inlay, and the sales channel? Noel

8 years, 3 months

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