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Manufacturer is probably using a channel partner. The company I work for uses channel partners. A channel partner is a company — such as a reseller, service provider, vendor, retailer or agent — that partners with another organization to market or sell their services, products or technologies...

Merry Christmas to all. Hope everyone is making it thru the arctic blast ok. Definitely feeling it here in NE Florida.

Zenith put out a service manual for the Z130 -Z140 series computers but as you stated, no schematic for the power supply. https://www.mediafire.com/folder/a4167tszjjc3m/Zenith_Z-130-140_Series I have a Zorba 2000 computer that has a bad video circuit that took out the power supply. I couldn't...

Try this: https://www.mediafire.com/file/q97jeml56ea7w5w/Visual_Commuter_Maintenance_Manual.pdf/file

Then again, you can use the following that will allow you use soft sectored floppies in your machine: https://deramp.com/vsg.html

I have a model 12 that I received several years ago in the same condition and I was thinking the same thing you are now about the plastic supports for the CRT. Unless you are a real expert, it would be almost impossible to glue\cement the posts back and them bei sturdy enough to support the...

This must be really rare.. Never seen one before.

Vector Graphics 4

Check the tantalum capacitors on the voltage supply lines for the floppy controller and S100 buss . The're notorious for shorting out. Place an ohm meter across the positive and negative supply lines and check for a short.

My apologies. I should have read the fine print. With a FreHD and Gotek then yes, it would be worth it.

I think the $400 asking price is high especially one that is discolored.

Clicking on the link shows: "This Listing Isn't Available Anymore"

I have a number of portables that are nice but my favorite has got to be the: TRS-80 Model 4P.

FWIW, Most if not all of that software has been archived. IIRC, The floppy images are on one of the distribution CDs

Do a search for "identifying motherboards" and you will find info on where manufacturers mark their boards. You may be able to find specs for the board in your computer. Also, there are usually jumper settings silkscreened on the motherboards you will need if making changes to the RAM or...

What, is this for a Crypto mining setup?

Well, I see it's up on eBay now with 30 bids.

See this link from the HP Computer Museum. for documentation. http://www.hpmuseum.net/exhibit.php?hwdoc=2 Apparently it has BASIC in ROM and a capability to run HPL. These were also used as instrument controllers.

My grandmother had an old 1930's or early 1940's Victrola that played the 78 RPM shellac records. Had a cast iron tone arm with what looked like a small nail for a needle. When she passed away I asked my dad to keep it for me. It was a real collectors item. One day I dropped by to visit my...

This a great idea. I have in my will that all my computer collection should be handled by an auction service but not specified who.