Author Topic: Internal usb A modification  (Read 309 times)

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Offline davelectronic

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Internal usb A modification
« on: December 04, 2019, 11:09:45 pm »
Not sure I've got the right section for posting this question in. After a fair bit of searching i can not find a solution to my problem.
I'm trying to add an internal usb A socket inside a small form factor pc. There are no pci, or pcie slots, and no internal usb strip line headers for cable connection. All i have is the external usb ports, those pcb mounted to the motherboard. And the only other internal interface, apart from a 2.5" 44 pin header for a cable. I've been trying different small form factor PCs and using SD card or compact flash cards as hard drives for the OS, in some cases with reasonable results. Neither cards play ball with windows 10 though, and since I've found it tricky to get windows to expect cards as hard drives, i have given up on windows, concentrating on Linux distros for now.

I can't find a production 2.5" 44 pin ide to usb A or anything like that anywhere. So is there a way to tap into the usb bus and add an internal usb A socket for internal use for a usb SD card reader.
Thanks for reading, any ideas appreciated.
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Offline Apollyon25_

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Re: Internal usb A modification
« Reply #1 on: December 05, 2019, 12:31:04 am »
Is removing one of the external facing USB sockets and wiring a short USB pig tail to its pads an option?
 

Offline davelectronic

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Re: Internal usb A modification
« Reply #2 on: December 05, 2019, 02:22:49 am »
Thanks for the reply, yes i did give it some thought. As the front ports aren't really being used. But was hoping to find an ide to usb solution, parallel two ports. But I've read its not that simple
Only Honesty equals integrity.

If its broke fix it.

And if it works fix it anyway.
 

Offline coromonadalix

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Re: Internal usb A modification
« Reply #3 on: December 05, 2019, 02:45:50 am »
well   

Worked for me : solder on the usb pcb pins an usb hub, into a hp usff pc to add an bluetooth dongle, not sure for other usb peripherals, had to condemn the front usb hole with a black tape.

my 2 cents ?
 

Offline wraper

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Re: Internal usb A modification
« Reply #4 on: December 05, 2019, 02:58:17 am »
Use SATA/ mSATA/ M.2 SSD with IDE to SATA/ mSATA/ M.2 adapter.
« Last Edit: December 05, 2019, 04:20:58 am by wraper »
 

Offline 3roomlab

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Re: Internal usb A modification
« Reply #5 on: December 05, 2019, 04:15:10 am »
I'm trying to add an internal usb A socket inside a small form factor pc

any pic of your SFF insides?
i suppose you want to keep things compact?  :-//
if you are good with soldering, a twisted pair RJ45 is nearly the impedance of USB cables 90-110ohm? so if you are feeling hacky, remove the USB port entirely from both the motherboard and the IDE sub board, then hot wire the 2. in taobao or aliexpress, you can see some varieties of usb to IDE bare boards see example pic. i think older IDE hdd are hot, so a rowdy fan should be high on the mod list too.
reality of influencers, become famous, get tons of supporters. supporters go berzerk to defend said influencer, stomping on anyone outside the circle, gloating on poorer lesser enabled users. its like a mental disease, very bad mental disease! do you have it?
 

Offline james_s

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Re: Internal usb A modification
« Reply #6 on: December 05, 2019, 04:30:10 am »
You probably won't find IDE to USB, that's not a supported configuration I'm aware of. IDE to micro SD is probably the most likely to work but might take some experimenting to get the right one, or there are CF cards and microdrives that might work depending on the capacity you need.
 

Offline davelectronic

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Re: Internal usb A modification
« Reply #7 on: Yesterday at 12:36:52 am »
Yes looks promising, i never though of Msata. Or even M.2 interface cards. I had just about given in to using a front pcb port internally, and plug the front panel. This particular pc is the dell fx 170 thin client. I've a few different usdt and thin clients laying about. Some work fine with 2.5" ssd, but the dell fx 170 just has very little space inside. I've a second dell fx 170 running Linux Mint 18 on a sandisk sd card Adapter,  and it runs rather well. The idea was to get that sd card Adapter inside, as opposed to external use to run it.
Thanks for the replys.
Only Honesty equals integrity.

If its broke fix it.

And if it works fix it anyway.
 


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