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Taf · 08-10-2018, 14:16

My daughter's PC has a 1Tb and 4Tb drive in it. She bought an extra 6Tb drive and installed it using the same power lead the others were on (4 connectors daisy-chained).

The 6 Tb drive was not recognised or spun up.

Disconnect either the 4Tb or 1TB drive and it worked perfectly.

I suspected some sort of current limiting on the power supply.

So I connected the 6Tb to the other 4 way power lead that fed just the DVD drive, and it all started working.

I told the tech at PC Specialist and he would not believe it until he tried similar himself. He is now contacting the power supply manufacturer as those supplies are supposed to be able to run 4 drives per lead "with loads to spare".

08-10-2018, 14:16	#765
Taf cf.mega poster Join Date: Jun 2003 Location: Kairdiff-by-the-sea Age: 68 Services: TVXL BBXL Superhub 2ac (wired) 1Tb Tivo Posts: 9,811	Re: What have you fixed lately? My daughter's PC has a 1Tb and 4Tb drive in it. She bought an extra 6Tb drive and installed it using the same power lead the others were on (4 connectors daisy-chained). The 6 Tb drive was not recognised or spun up. Disconnect either the 4Tb or 1TB drive and it worked perfectly. I suspected some sort of current limiting on the power supply. So I connected the 6Tb to the other 4 way power lead that fed just the DVD drive, and it all started working. I told the tech at PC Specialist and he would not believe it until he tried similar himself. He is now contacting the power supply manufacturer as those supplies are supposed to be able to run 4 drives per lead "with loads to spare".