BIOS which channel

September 17, 2011 at 12:25:25
Specs: Windows XP, 2.53
How does the BIOS know if a hard drive is on a Primary or Secondary channel ? What role does the SouthBridge actually play in this process ? Does the SouthBridge have a direct channel to both Primary and Secondary channel ?

Thanks in advance

Victor


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#1
September 17, 2011 at 12:54:31
That sounds like a homework question. Try Google.

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#2
September 17, 2011 at 13:01:00
No not really. Its a real life issue that I have experienced and I'm hoping to get to the bottom of it. I have tried googling the question but cannot find an answer. It seems like no one knows the answer to this question based on my research.

Thanks for the reply.


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#3
September 17, 2011 at 14:42:07
You physically connect the drive to either the primary or secondary. That's how the bios knows what drive is there. The other stuff I don't know off the top of my head.

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Related Solutions

#4
September 17, 2011 at 16:17:30
http://en.wikipedia.org/wiki/Southb...

The Southbridge chip works in conjunction with the Northbrige to communicate with the BIPOS. BIOS means Basic In Out Signal. The BIOS is more a program as opposed to a chip. Upon bootup, the bios detects which channel a hard drive is connected to. You can read more about the mechanics of it here.


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#5
September 18, 2011 at 16:23:45
Thanks for the reply to both. Grasshopper I was wondering the reason you had mentioned Northbridge is that because the CPU has to execute the instructions that the BIOS uses to check which channel the hard drive (for example) is located ?

Thanks again to all replies.

Victor


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