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Strange problem when making my own SATA power cable for Silverstone ST-1500

post #1 of 2
Thread Starter 
Hi Guy's

Like the title suggests i am making my own power cable for connecting 4 SSD drives (ADATA S599) and 1 conventional HDD (WD Black 2TB).

Anyway i have a strange problem that i can't solve.

My ST-1500 PSU has got 3x 12v SATA output with each a 25Amp. max load.
If i connect all my drives to one output my WD-black (wich is the last one in the line) doesn't start. (but my SSD's are working)
When i connect the WD-black to a sepperate output with a different cable it works just fine.

If i do some calculations i should be able to connect 20 or more HDD's on 1 output since the WD black has a power draw of 10Watt and the
SSD's 3Watt. With 25Amps to deliver that more then just overkill. So no problems there.


Things i have done so far.

1. Measuring out the cable: Fine, got signal on the pins of the last (WD Black) SATA connector.
2. removed 3 of the 4 SDD's: no result the WD Black doesn't start up. (The construction of the cable doesn't let my disconnect all SSD's.)
3. Put the cable into a different output: Doesn't work.
4. Measuring the voltage (12v /5v /3v)

Anyway if you guy's got any idea what's causing the problem let my know.

Grtz

*UPDATE*

Think i got the problem solved.

The orange cable should deliver 3,3V but mine delivers 12V. and the yellow 3,3V should be the other way around. LOL:D
Edited by Freezera - 8/1/13 at 7:18am
post #2 of 2
Be very careful when testing SATA power cables as it's incredibly easy to burn out SSDs. You're better checking with a PSU Tester or Multi-Meter first.
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Black Noise
(22 items)
 
  
CPUMotherboardGraphicsGraphics
i7 990X Asus Rampage III Extreme Asus GTX TITAN Asus GTX TITAN 
RAMHard DriveHard DriveHard Drive
24GB Corsair Dominator GT PC3-16000 SanDisk Ultra II Crucial M4 Seagate Momentus 2TB 
Hard DriveOptical DriveCoolingCooling
Seagate Momentus 2TB Sony Optiarc AD-7690H Slimline DVD-RW Blocks - EK Supremacy, 3 x EK FC-580GTX, EK FC-... Radiators - 2 x Black Ice SR1 480, 2 x Black Ic... 
CoolingCoolingCoolingOS
Pumps - Swiftech 35X2 x 2 & Heatsinks Reservoir - EK Multioption X2 400 Advanced Fans - 20 x Noiseblocker PL2 Windows 7 Pro 64-bit 
MonitorKeyboardPowerCase
NEC MultiSync LCD2690WUXi Enermax Aurora Seasonic Platinum 1000 Case Labs TH10 & Pedestal 
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