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KR7A Raid & KR7A 133 RAID differences??

D

Dexion

Golden Member
I'm looking to replace my current motherboard with either the KR7A RAID or the KR7A 133 Raid. What I'm struggling to understand is the difference between the 2. I know for a fact that it is 2 seperate models from the Abit mobo lineup. Looking at the specifications are a bit skimpy and I can barely see any difference at all. Is this new KR7A 133 raid a marketing gimmick?

KR7A RAID Specifications
Notice the skimpier specs here. Note HPT372 controller at UDMA 100.


<< Four channels of Bus Master IDE Ports supporting up to 8 Ultra DMA 33/66/100/133( RAID 0 /1/0+1). >>




KR7A 133 RAID Specifications
Pretty much the same specs with little or no difference. The HPT372 Controller is now with UDMA 133.


<< Two Channels of Bus Master IDE Ports supporting up to four Ultra DMA 33/66/100/133 >>




<< Two Channels of Bus Master IDE Ports supporting up to four Ultra DMA 33/66//100/133 (RAID 0/1/10) >>



Enlighten me as to why the 133 version costs on average $20-$30 more?
 
Here appears to be the difference. The boards use different Southbridges- KR7A Raid uses 8233 while the KR7A-Raid133 uses the 8233A. The "A" is probably an improved version with better potential for ATA133.

I also believe the KR7A-Raid133 can use ATA133 on all IDE channels while the non133 version only has ATA133 capability on the HPT controller (IDE 3 & 4).
 
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