This is where websites like ebay can be handy. I looked up the TI99/4A and found many available for sale. (I remember these from when I was growing up— Liam is right, they were quite common, at least for me in the US.)
Prices on ebay look like they are in the range $40-$80 but a few are a little above that. I didn't dig into each listing to see the details, so I don't know how close of a match these are to the specifications Willi is looking for. I also looked separately for the PEB and I found one on ebay that the seller says is tested/working for $240. On Tue, Sep 23, 2025, 7:19 AM Liam Proven via Freedos-devel < [email protected]> wrote: > On Mon, 22 Sept 2025 at 20:22, Wilhelm Spiegl via Freedos-devel > <[email protected]> wrote: > > > It is a Texas Instruments computer TI99-4a together with an TI Expansion > system > > The TI99/4a was quite common and they are not very valuable. > > The PEB is extremely rare and will make the system at least 10x more > valuable. It might be worth in the € thousands range. > > -- > Liam Proven ~ Profile: https://about.me/liamproven ~ LinkedIn/X/FB: > lproven > Email: [email protected] ~ Google: [email protected] > IoM: (+44) 7624 227612: UK: (+44) 7939-087884 > Czech [+ WhatsApp/Telegram/Signal]: (+420) 702-829-053 > > > _______________________________________________ > Freedos-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freedos-devel >
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