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Difference between Slave and Master?

post #1 of 6
Thread Starter 
SO this is probably pretty basic, but I just took apart my PC and put it back together again, mainly to fix up my cable management, which had gotten totally out of hand.

I removed everything except my motherboard, and then put it all back. When I booted, my HDDs load order had changed on the POST screen, and now my main one is listed as a Slave and my other one is master.

Now, all I had to do to get it to boot was change the boot priority, which I kind of gathered I'd have to do, as I plugged my SATA leads in different ports, but will this cause any issues later on, or is it a non-issue?
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post #2 of 6
With SATA it is a complete nonissue. As long as your boot order is correct, then it does not matter what ports the drives are in.
 
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post #3 of 6
Accidentally swapping those ports wont hurt anything except boot order which is easily changed which you've done already.
 
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post #4 of 6
Thread Starter 
Quote:
Originally Posted by wolfeking View Post

With SATA it is a complete nonissue. As long as your boot order is correct, then it does not matter what ports the drives are in.

Quote:
Originally Posted by johnny.dot.exe View Post

Accidentally swapping those ports wont hurt anything except boot order which is easily changed which you've done already.

Awesome.

Im gonna guess that it was an IDE thing mainly. What exactly was the purpose of it?
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MonitorMonitorKeyboardPower
ASUS 27" LED Asus 24" LCD Razer Black Widow EVGA SuperNova 850W G2 
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post #5 of 6
It was mainly used on PATA/IDE devices. Basically the setting allows one drive to control all data going to the second drive. Read more here http://en.wikipedia.org/wiki/Master/slave_(technology)
 
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Desktop
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CPUMotherboardGraphicsRAM
Intel Mobile Core 2 Duo T7300 Lenovo Subcontractor  NVIDIA Quadro FX570m Samsung  
RAMHard DriveOptical DriveCooling
Samsung  Western Digital  DVD-RAM  stock  
OSMonitorKeyboardPower
Windows XP Pro    stock 9 cell battery  
CaseMouseAudio
chassis  Corsair m90  X-Fi GO! Pro  
CPUMotherboardGraphicsRAM
2600k  Z77 Extreme 4 | P8P67 WS Rev | H61DE/S3 HD 3000 | GTX480 Samsung  
Hard DriveHard DriveHard DriveCooling
Samsung 830  Seagate  Hatachi 5400 RPM  Phanteks PH-TC14PE_BK 
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Windows XP | Ubuntu 13.04 | FreeBSD  1366*768 Dell  1080p Acer  standard  
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CPUMotherboardGraphicsRAM
Intel Pentium III E Dell Subcontractor  ATI Technologies Inc. RAGE P/M Mobility AGP 2X Samsung  
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post #6 of 6
Good to go.
Previously, IDE\ATA\PATA format had the ability to run 2 devices on one ribbon cable.
With that layout, you would need to set each drive to Master\Slave manually with a pin jumper on the back so that the data would be routed to the correct device.

Now days, we all use SATA because of the direct speed benefits (and cable thickness, length). Slave\master designation no longer exists because each device is attached to its own cable.
You just have to reassign the boot drive after disconnecting everything. biggrin.gif
    
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