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Lo-tech TRS-80 IDE Adapter no Cable - Tandy Radio Shack TRS-80 Model III 4 4P 4D For Sale


Lo-tech TRS-80 IDE Adapter no Cable - Tandy Radio Shack TRS-80 Model III 4 4P 4D

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Lo-tech TRS-80 IDE Adapter no Cable - Tandy Radio Shack TRS-80 Model III 4 4P 4D:
$45

Lo-tech TRS-80 IDE Adapter No Cable - Tandy Radio Shack TRS-80 Model III 4 4P 4D

Up for sale is the Lo-Tech TRS-80 IDE Adapter with no Cable. We licensed the production of this board from Lo-Tech in the UK and are now happy to have them up for sale! This is also known by some as the "El-Cheapo" IDE interface. In its current state, it can be used with a TRS-80 Model III, 4, 4P or 4D. The included cable will connect to your machine and all you will need is a DOM IDE disk module such as the PQI Industrial 128mb DOM or other similar DOMs as well as a boot disk for the OS of your choice. 64mb or 128mb should be sufficient as the TRS can only support small disk partitions and most OSs can only support a max of 4 - 8mb partitions. CPM only supports 1 - 5mb partition so more than 128mb is just overkill. You may be able to use a compact flash card with an IDE adapter, or event an older PATA IDE hard drive. Experience will vary and you will need an external power source to power them. This device provides power on pin 20 of the IDE interface which works natively with most Disk Modules. The PQI modules have had the most testing, so they are recommended.

The adapter is currently supported by LDOS, LS-DOS & CP/M. For more information on setting this up and creating your boot disk of choice, see: The Model 4P also supports autobooting now. You may also want to see the Tandy forum on the Vintage Computer Federation here: we only have a Tandy Model 4 and we have not been able to get LS-DOS working in our configuration. CP/M is working just fine and has been used to test all of our hardware. We are still working on this and will modify the listing when we are able to get it to work. Others on the Vintage Computer Forum have had success, so it may be something specific to our Tandy, or we are just doing something wrong. :-) We just want to let you know that the hardware is working fine, and each board is new and has been tested.

IC U2 is socketed and can be replaced with a 74HCT640 for use with a Model II, 12, 16, 16B & 6000. You will also need an adapter for these machines. For more info on the needed adapter, see the Hans-01 or Hans-02 adapter here: I know some have also experimented with the Model I and I would recommend either the Quinnterface or the Hard Disk Interface for Model I sold by dr.ians_junque on separately to experiment with this.

We are also selling this card with the power supply & cable in the even that you do not have the original Tandy Hard Drive cable. You can find that listing here: for looking, and happy vintage computing!

Please pay within 7 days of winning a offer. If not the item will be re-listed and you will be reported to as non-payment. If the item must be returned the buyer is responsible for return shipping.

Will ship outside of the US, but no returns will be accepted from foreign customers.

I will accept returns from US customers for 30 days and only if the item is damaged in shipping or not working as advertised. Buyer pays return shipping if a refund is requested. All equipment is tested, and sold as working unless otherwise noted. Please ask any questions you have before offerding, I do my best to represent the items I list correctly and don't want anyone, myself included, to have any surprises.

Please be sure to see my other listings. I will be selling a lot of my excess electronics, vacuum tubes, electronic parts, computer parts, music equipment, and much more. Thanks for looking and happy offerding!


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