May 6, 201016 yr I am assembling my first unRAID build, and I purchased a Western Digital 2TB WD20EADS drive for the parity drive. I've read in some posts that a jumper is needed on pins 7 & 8 on some WD drives. -Do I need a jumper on this drive, and what does jumpering it do? The sticker on the drive only talks about jumpers 1-6. My first storage drive will be a 500 GB Western Digital WD5000AAKS. (I've had it for some time, sitting around new, unused.) -Does it also need a jumper or not on pins 7 & 8? So far everything is going together nicely, I have the motherboard, CPU, heatsink, PSU, and fans all mounted in the case, and the first two drives mounted, now I'm just wiring everything up. Before I get started I wanted to make sure I have this hard drive jumpering thing set correctly so I don't have any problems with that.
May 6, 201016 yr The only WD model requiring the 7-8 jumper is EARS, so for your EADS and AAKS drives you should not use this jumper. I have not checked the purpose of the other jumpers on the models you will be using and don't have details to hand but I have used both of those models in the past and not required any special jumper settings.
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