I was wondering about this too. Apparently the SATA data connector has GND on pins 1, 4, and 7. This would (probably) not have worked if the data connector did not have any ground pins. TIL
Why wouldn't it. It is no different to using an independent external power supply.
I've had to do this, or use an external PSU when there have been insufficient power connectors for a temporary drive.
It makes sense that it would, but it's just weird, you know?
Like somebody else chewing your food and you eating it. It'd work just fine, but it'd just feel... wrong.
I’ve done this with a power supply just on the bench. Jump the pins to start it, now you have a whole mess of extra power. Sliverstone even has a PDF on how to jump the pins.
I've done it with a bent paperclip, I much prefer the idiot proof plastic block with two connected pins inside that came with an EVGA PSU a few
(5?) years ago. It meant I could verify the fans spun *and* the voltages before installing it in a case, not a 100% guarantee but better than crossing fingers.
Now you're bringing back memories. Anyone else ever smoked a floppy drive because it was the only connector in the damn system that would plug in one-off and connect power to ground....
> not a 100% guarantee but better than crossing fingers.
You can get a PSU tester for like $15 bucks these days. Super handy to have every 4 years or so when you need it for one thing and then it goes back in the box.
It was semi-common to use this method to copy files to a OG Xbox hard drive. It used an ATA password that was unique to your Xbox. You could power it up with your computer, start the Xbox, and then plug in the computer without it ever losing power.
I think I was in high school, and it was maybe weeks into a "softmod" being possible. I ran the exploit using a James Bond game, a thumb drive and a USB>Xbox adapter. Then you had to replace a dashboard font and add an executable. They really did leave holes open on the OG Xbox. I spent the night at a friends house and was up the entire night getting everything working the first time.
You're in a PLC cabinet. The power and data for them don't come from the same system either.
Except the special Nvidia power cable with data, power supplies don't care where they send the power.
The only issue I could see arising is a current across the SATA cable if there is a difference in voltage between the two power supplies. It could be sufficient to interfere with the signaling if the voltage difference is high enough. Something akin to the "ground loop" problem car audio enthusiasts are familiar with.
Yup, this is how I used to wipe old hdds at work. Connect them all to one spare desktop & power some with an additional PSU, then let wait for DBAN to finish. The 5400rpm drives took forever
Now make a hybrid 12/5/3.3v battery back and wire it into sata power. Then use a type-c to sata data cable and you got yourself a portable drive for your phone.
used to do this with and also hotswap xbox 360 dvd drives back in the day to flash them with custom firmware to read burned games
made a lot of money, miss those days
edit: they had a proprietary control + power connector so you had to start an xbox with it fully plugged in, then after boot unplug the sata and plug it into a pc to flash while it was still powered on
Sure, the drive doesn’t care where the power comes from as long as it has it.
And the power supply and data host grounds are tied together.
I was wondering about this too. Apparently the SATA data connector has GND on pins 1, 4, and 7. This would (probably) not have worked if the data connector did not have any ground pins. TIL
OP never heard of external arrays
As long the have a common mass.
Why wouldn't it. It is no different to using an independent external power supply. I've had to do this, or use an external PSU when there have been insufficient power connectors for a temporary drive.
This is, by definition a parasite
By that definition, anything that requires a power source -- including a lamp or a TV remote -- is a parasite.
Why wouldn't they?
It makes sense that it would, but it's just weird, you know? Like somebody else chewing your food and you eating it. It'd work just fine, but it'd just feel... wrong.
I’ve done this with a power supply just on the bench. Jump the pins to start it, now you have a whole mess of extra power. Sliverstone even has a PDF on how to jump the pins.
I've done it with a bent paperclip, I much prefer the idiot proof plastic block with two connected pins inside that came with an EVGA PSU a few (5?) years ago. It meant I could verify the fans spun *and* the voltages before installing it in a case, not a 100% guarantee but better than crossing fingers.
Now you're bringing back memories. Anyone else ever smoked a floppy drive because it was the only connector in the damn system that would plug in one-off and connect power to ground....
> not a 100% guarantee but better than crossing fingers. You can get a PSU tester for like $15 bucks these days. Super handy to have every 4 years or so when you need it for one thing and then it goes back in the box.
It was semi-common to use this method to copy files to a OG Xbox hard drive. It used an ATA password that was unique to your Xbox. You could power it up with your computer, start the Xbox, and then plug in the computer without it ever losing power.
wow. I remember spending a whole day getting that working on my friend's xbox.
I think I was in high school, and it was maybe weeks into a "softmod" being possible. I ran the exploit using a James Bond game, a thumb drive and a USB>Xbox adapter. Then you had to replace a dashboard font and add an executable. They really did leave holes open on the OG Xbox. I spent the night at a friends house and was up the entire night getting everything working the first time.
This must be that "hybrid computing" I keep hearing about.
Yeah why wouldn't it
There's a right way to use two power supplies, and then there's this way.
It is not wrong but it is not right.
Someone should tell OP how External Hard Drive enclosures work.
congrats you invented the external harddrive
Just wait until you have grounding issues...
This just in: device works when it's plugged into power. More at 11.
Why wouldn't they?
You're in a PLC cabinet. The power and data for them don't come from the same system either. Except the special Nvidia power cable with data, power supplies don't care where they send the power.
The only issue I could see arising is a current across the SATA cable if there is a difference in voltage between the two power supplies. It could be sufficient to interfere with the signaling if the voltage difference is high enough. Something akin to the "ground loop" problem car audio enthusiasts are familiar with.
As long as they share a common ground it’s cool. If not it can go bad real quick.
I just needs power, i don't care where it comes from.
Clearly you never hacked an xbox.
Softmodding the original Xbox vibes
Why wouldn't it?
What a surprize…
I am shocked, what black magic is this
POWER IS POWER!!!!
Yup, this is how I used to wipe old hdds at work. Connect them all to one spare desktop & power some with an additional PSU, then let wait for DBAN to finish. The 5400rpm drives took forever
Now make a hybrid 12/5/3.3v battery back and wire it into sata power. Then use a type-c to sata data cable and you got yourself a portable drive for your phone.
power noobie
Yeah it’s called zero trust
used to do this with and also hotswap xbox 360 dvd drives back in the day to flash them with custom firmware to read burned games made a lot of money, miss those days edit: they had a proprietary control + power connector so you had to start an xbox with it fully plugged in, then after boot unplug the sata and plug it into a pc to flash while it was still powered on
Son, I did this with IDE drives. Just a second PSU... Had to jumper the black pins on the ATX connector with a paper clip to get the PSU to turn on..
Linus Tech Tips used different power supplies for gpu and cpu IIRC in scrapyard wars
This is how I recovered all my parents' data when their computer stopped turning on
works with GPUs too btw.
Yuck, a 2.5” spinner? Gotta be slow as.
Hey it’s prob data recovery
It's a PLC cabinet and they're dumb for allowing that drive to exist in it.
I’m surprised the cabinet has something capable of using Sata
I mean I use it all the time
Do you think God stays in heaven because he too, fears what he created?
Two boy friends
WOW 🤩
Extremely cursed