[vcf-midatlantic] Found: 2 New-In-Box TI-99/4a Machines

CJ Reha thedestructionchannel2000 at gmail.com
Wed Jun 6 08:51:54 EDT 2018

How much were they/how much are you asking?


On Tue, Jun 5, 2018 at 9:05 PM, J. Alexander Jacocks via vcf-midatlantic <
vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:

> All,
> I just picked up, at the Manassas, VA, hamfest, a pair of new-in-box Texas
> Instruments 99/4a machines.  Both boxes are a bit scuffed and dusty, but
> one still has the factory tape on it.
> I opened the other box, since it wasn't taped, and looked at the contents,
> which are definitely factory new.  The computer was in a sealed bag, which
> I opened to check it out.  The PSU and RF modulator are in their cardboard
> wrapper, which the adhesive has failed on.
> So, I decided to keep one machine.  I checked the PSU, and the voltages
> were within 1VAC on both the inputs, so given that they are internally
> regulated, that should be close enough.  Via RF adapter, I get a grey
> screen, at power up.  Via a homemade composite video cable, I get a stable
> tone, and a black screen.
> So, two questions:
> 1) Does anyone want a new-in-box, untested, TI 99/4a beige model?
> 2) Does anyone know anything about fixing TI 99s?  I'd like to go through
> the one machine and figure out what's wrong.
> - Alex

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