Possible SSD for jr-IDE?

Hardware questions and modifications
dpaden
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Joined: Fri Oct 12, 2018 7:08 am

Possible SSD for jr-IDE?

Post by dpaden »

Has anyone seen this before:
https://www.mouser.com/ProductDetail/Ap ... cIQAvD_BwE

Aside from the right-angle connector, I wonder if it would be a possibility for the jr-IDE?
Trixter
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Re: Possible SSD for jr-IDE?

Post by Trixter »

No, most people use a regular DOM with their PCjr. Something like this (untested): https://www.amazon.com/Hotusi-Vertical- ... ywords=DOM

I have an 8GB DOM in mine, which is loaded with every game known to run on the PCjr and using TDL as the front-end launcher.
You're all insane and trying to steal my magic bag!
dpaden
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Re: Possible SSD for jr-IDE?

Post by dpaden »

Is the jrIDE still coming with the 40-pin IDE header? Are you powering your DOM from the jrIDE, or using external power?
Brutman
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Re: Possible SSD for jr-IDE?

Post by Brutman »

I think that part would work fine - it is a disk on module. Check the data sheet: https://www.mouser.com/datasheet/2/24/A ... 957962.pdf

In general, it's easier if you get one that matches the pins of the system you are connecting it to. Otherwise, there are adapters that go both ways. The biggest difference between laptop IDE and desktop IDE is the four extra pins, two of which provide power. (Not sure about the other two ... Google can help figure it out if you are curious.)
fsmith2003
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Re: Possible SSD for jr-IDE?

Post by fsmith2003 »

Trixter wrote:
I have an 8GB DOM in mine, which is loaded with every game known to run on the PCjr and using TDL as the front-end launcher.

Do you have this available anywhere? How much space does it actually use?
dpaden
Posts: 21
Joined: Fri Oct 12, 2018 7:08 am

Re: Possible SSD for jr-IDE?

Post by dpaden »

I bought the 16GB Hotusi (Hyperdisk) DOM, but I get the too old for LBA message.
Has anyone tried the 4GB version?

I will try the 4GB version and also order a 2GB CF Card + Adapter.

It's not easy finding smaller capacity DOMs with the 40-pin interface...
Franko
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Re: Possible SSD for jr-IDE?

Post by Franko »

dpaden wrote:I bought the 16GB Hotusi (Hyperdisk) DOM, but I get the too old for LBA message.
Has anyone tried the 4GB version?
I haven't been looking for 4GB, but as noted in my adjacent thread, I found that a Hyperdisk 512MB DOM and a Lexar 2GB CF card were both recognized. I have a Kingspec 8GB DOM on order from China, and will try it out when it gets here (~2 weeks+?).
dpaden
Posts: 21
Joined: Fri Oct 12, 2018 7:08 am

Re: Possible SSD for jr-IDE?

Post by dpaden »

So I've got a few more devices and still not able to boot from anything.

Hyperdisk 4GB DOM - Not recognized (aka "too old for LBA")
Hyperdisk 16GB DOM - Not Recognized
Sandisk 32GB CF - Not Recognized
Transcend 2GB CF - Recognized but won't boot on any of my PCs

So I'm not sure what the deal is. I installed DOS 6.22 to the 16GB Hyperdisk DOM and I can boot to it on my big x86 PC. But when I install DOS 6.22 to the CF cards, my x86 can't boot them.
I was reading online and seems people report issues booting from CF cards, possibly due to IDE compatibility issues? Possibly my CF to IDE converter isn't ideal?
My next shot is to try an SD to IDE converter card.

In the meantime, can anyone provide links to valid, known-working hardware on ebay or amazon (or similar)? I really do not care to have a long IDE cable hanging off my jr-IDE, but I don't have much option left...
Franko
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Joined: Wed Sep 19, 2018 9:23 am

Re: Possible SSD for jr-IDE?

Post by Franko »

dpaden wrote:My next shot is to try an SD to IDE converter card.
I'll be interested to hear details if you find an SD to IDE converter that works.
dpaden
Posts: 21
Joined: Fri Oct 12, 2018 7:08 am

Re: Possible SSD for jr-IDE?

Post by dpaden »

I'll have the SD-to-IDE and the 44-to-40 pin adapter sometime next week.
Honestly, the male 40-pin seems to be a tricky fit. Most products are either 44-pin female or 40-pin male...

BTW, this is the CF adapter I'm using:
https://www.amazon.com/gp/product/B07D7 ... UTF8&psc=1
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