test-drb August 2014

test-drb@ccmp.vtda.org

213 participants
244 discussions

Gravis for mac - that dammed programmable box

by alexandre.tabajara＠gmail.com

Dear friends In my never ending quest for a joystick for my Apple computers, I got a Gravis joystick with a strange din connector on it. Now I know I need some "gravis programmable box sbrubbles sbrubbles something" to connect it to, and so to the computer Does anyone has any refferences about it? I can clone the box if I have at least the pinout of that connector. And of course, I'm open to offers of the original box Thanks, Alexandre (still dreaming with an original apple joystick, and an ANKO one) :oP

10 years, 4 months

Where to Get "Professional" Packing Done for Shipping a Vintage Computer?

by mtapley＠swri.edu

Bob, I had good luck with a Forward Air pallet last year. At Lowe?s, I bought cheap nylon straps with tensioner buckles and some bubble-wrap, and some stretch wrap. I brought a couple of old cardboard boxes to cut up into pieces to pad any contacting parts. I put all of the equipment on a pallet at the Forward Air depot (they were kind enough to let me work off in a corner for an hour or two). Here?s the process: 1) put straps under pallet (actually through, being sure to include the structural beams of the pallet) 2) pile big gear on pallet, in a vaguely pyramidal shape - cardboard ?padding? where they will be pulled together by straps or rest on one another 3) bubble-wrap small pieces and stretch-wrap them to big pieces 4) connect straps over top, more cardboard padding where each strap turns a corner 5) tighten straps until they are about middle ?A" when plucked 6) run laps with the stretch-wrap until the pile is coccooned to be certain no cables, etc. stick out or fall off. Ethan was the recipient, he should chime in for how well it survived. It looked OK when it left. *Some* day soon I need to do this again?. sigh. - Mark On Aug 15, 2014, at 3:27 AM, Bob wrote: > Where do you guys & ladies recommend taking a minicomputer to be > professionally packed for shipping? I have a Data General Eclipse > S/130 that I need to ship about half way across the US, but I need to > get it professionally packed to avoid shipping damage. I plan on > shipping the front panel, the boards, and the chassis (with PSU in it) > as separate packages. I'd like to find a place that can use the "foam > in place" around the wrapped components in the inner box and/or around > the inner box. There is no terminal/monitor. > > How do you recommend packing the minicomputer to minimize the chances > of any damage during shipping? The computer is free, so all funds can > go towards the professional packaging and shipping. Who do you > recommend? If it matters, I'm in north central Florida. > > > Thanks, > > Bob

10 years, 4 months

Looking for 11/05 front-panel microswitch

by derschjo＠gmail.com

A PDP-11/05 in need of some help arrived on my doorstep yesterday. Amongst its other problems (*) the power/panel lock microswitch has been broken beyond all repair and it's kind of an oddball thing -- anyone happen to have one going spare (or know what the equivalent might be?). Someone did a rather ugly kluge to work around it (it's just hotwired in an always-ON configuration with a really ugly jumper wire), and I'd like to get it operating normally again. It's marked as DEC P/N 12-10982 (REV. B). Thanks in advance, Josh (*) It's been dropped (or had something dropped on it), the frame is bent as a result, which I've mostly undone. The power supply tests out good (a small amount of ripple but within tolerances if the service manual is to be trusted) and it shows signs of life (Load Addr works about 50% of the time), however it's not doing much. The M7261 board has "BAD?" penciled in so someone else's been over this machine before. I sense a lot of debugging in my future.

10 years, 4 months

Commodore (Philips) 1084 Color Monitor shop notes

by drlegendre＠gmail.com

My best Commodore monitor, the 1084, went belly-up on me today. It's been showing sings of trouble for quite a while, but this time it finally failed over. Nothing worse than an intermittent.. Symptom was a little non-intuitive. The video would go out, randomly, and all at once - like flipping a light switch. But when it would return, it returned more slowly - it faded in, as if the CRT heater were warming-up. Now, if the heater were losing power, why wouldn't it fade +out+ as well? But I checked, and the heater was definitely off - no glow, no voltage at the heater pins 9 & 10. Anyway, it turns out that this is one of those sets that draws its heater supply from a second winding on the HV flyback transformer. After some inspection of the board, I found that one of the flyback's soldered mounting pins had cracked at the joint, causing an intermittent connection. This was the cause of both symptoms - a quick cut-out of the video when the HV disappeared, and the slower fade-in as the connection re-made and the heater warmup lagged the HV rise.

10 years, 4 months

Looking for 11/05 front-panel microswitch

by cube1＠charter.net

Try cvrmach at gmail.com. He has some 11/05 stuff he is likely willing to sell at reasonable prices. I did some diagnostic work on some 11/05 boards a couple of years ago. Suggest you refer to my name (Jay) in your message. Runs a machine shop - not a collector. Name is Clarance Raalte (not sure of spelling - on tablet right now) Josh Dersch <derschjo at gmail.com> wrote: >A PDP-11/05 in need of some help arrived on my doorstep yesterday. >Amongst its other problems (*) the power/panel lock microswitch has been >broken beyond all repair and it's kind of an oddball thing -- anyone >happen to have one going spare (or know what the equivalent might be?). >Someone did a rather ugly kluge to work around it (it's just hotwired in >an always-ON configuration with a really ugly jumper wire), and I'd like >to get it operating normally again. > >It's marked as DEC P/N 12-10982 (REV. B). > >Thanks in advance, >Josh > >(*) It's been dropped (or had something dropped on it), the frame is >bent as a result, which I've mostly undone. The power supply tests out >good (a small amount of ripple but within tolerances if the service >manual is to be trusted) and it shows signs of life (Load Addr works >about 50% of the time), however it's not doing much. The M7261 board >has "BAD?" penciled in so someone else's been over this machine before. >I sense a lot of debugging in my future.

10 years, 4 months

One of my Sun 5c has unusual keys...

by sales＠elecplus.com

Pics are here: https://plus.google.com/photos/106111250846948401252/albums/6047430172859922 513?banner=pwa Cindy Croxton Electronics Plus 1613 Water Street Kerrville, TX 78028 830-792-3400 phone 830-792-3404 fax sales at elecplus.com AOL IM elcpls

10 years, 4 months

Stardent 19" workstation monitor

by vcf＠siconic.com

I have a monitor for a Stardent workstation. It's a re-badge Sony, model number 130-0001-01. Free for pickup, or 1.2 * cost of shipping to recoup time and trouble if you want it shipped. Please respond soon if you are interested as it will be going off for scrap in a week if there are no takers. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

10 years, 4 months

Sun pizza boxes

by sales＠elecplus.com

The small Sun boxes in the picasa web pic are as follows: Sparc Station 2, qty 1 Sparc Station 5, qty 3 Sparc Station 10, qty 1 All have floppy drives, except one of the SS5s. All worked several years ago, but they get no video now. My Sun dealers tell me it is because the video battery went out, and needs to be replaced. Cindy Croxton Electronics Plus 1613 Water Street Kerrville, TX 78028 830-792-3400 phone 830-792-3404 fax sales at elecplus.com AOL IM elcpls

10 years, 4 months

VT100 kbds, qty 4, somebody take them home?

by sales＠elecplus.com

They are each one different from the others. Pics are here : http://deskthority.net/vendors-f52/terminal-sun-dec-sgi-etc-t8577.html Cindy Croxton Electronics Plus 1613 Water Street Kerrville, TX 78028 830-792-3400 phone 830-792-3404 fax sales at elecplus.com AOL IM elcpls

10 years, 4 months

Available: IBM desktop "System/23 Datamaster"

by tosteve＠yahoo.com

What will someone give me for this beast? I have no room for it - it will be dismantled. Located in Orange County, CA 92656 Model 5322: Predates the "IBM PC" by 1 month Intel 8085 Weight 95 lbs Two built-in 8-inch floppy drives BASIC in ROM

10 years, 4 months

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test-drb August 2014