USPS up until now has been very reliable, so I'm a bit ticked off.... Ordered M/75 on the 8th, was "Out for Delivery" on the 15th, then turned up at a 6:41pm as "Ready for Pickup" at our Post Office. No slip, no note in the tracking - nothing. Weird since our regular carrier comes by as late as 9:10pm to deliver mail and parcels. So I figure - since the message on E-bay AND USPS is "be patient, we are experiencing slowdown during these unprecedented ...
Basically a quick list to identify what model Versa you have by the PC-4xx model number on the bottom...and other information for an upcoming video that might prove useful. 400 - Intel 486 DX-20 SLC, 4MB RAM base, 20MB MAx, WD SVGA video, Dumb Battery, no trackball 410 - Intel 486 DX-25 SLC, 4MB RAM Base, 20MB Max, WD SVGA video, Dumb Battery, no Trackball 4?0 - Intel 486 DX-33 SLC, 4MB RAM Base, 20MB MAX, WD SVGA video, Dumb Battery, no Trackball 440 - Intel ...
Did about 5 hours of footage on Saturday of this little excusrion - I will post later once I've had time to edit. Basically, repaired most of the damaged plastic on my NEC Versa P/75 case using baking soda and Superglue. I have heard of this for a long time and have been VERY skeptical about it, kind of funny since I have used this before in guitar repair to repair nut slots that are too low. It just seems that this solution seemed to "Mr. Ed" for me to believe. ...
When working on an SLT/286, I found that an import CF adapter would prevent it from booting, to the point it wouldn't even start the memory test. Troubleshooting steps included removing the CF card, unplugging power from the adapter, and finally unplugging the adapter from the ribbon cable. I took the adapter to the bench and started probing it and comparing against the IDE pinout. I found that pin 28, SPSYNC:CSEL was permanently connected to ground in the adapter. ...
Fixed the NEC Versa 40EC power supply board, turns out I melted a wire between the secondary pack negative terminal on it's way to the circuitry. I replaced it with a thinner wire. The machine now charges and runs like normal. Just needs a new battery, and I located the company that made the battery for my P/75 & M/75 - they make a version for the Ultralite/E/V models as well, so I'll spend on that sometime down the road this year. That said, I think 2021 is going to be a bit ...
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