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Which would be faster?

Z

z3ghz

n00b
Joined
Aug 25, 2004
Messages
18
Which would be faster? Running RAID 0 off the motherboard or the card?

1. 2 73GB Raptors

2. Abit AB9 Pro (Intel P956/ICH8, E2180-2GHZ/1MB, 2GB DDR2-800)

3. Silicon Image SIL3132 (onboard)

4. J Micron JMB363 (onboard)

5. Adaptec 2410SA (Intel 80302 66MHZ proc, 64MB onboard RAM)

The card will be in a regular 33MHZ PCI slot since the motherboard doesn't have any 64 bit 66MHZ or 100MHZ slots. Thanx!
 
Probably not a tangible, noticeable difference between the three...go with whatever's simplest or you are most comfortable with.
 
My best guess, fastest to slowest:

ICH8
SI3132
JMB363
2410SA

The Intel SATA ports are built directly into the southbridge on your motherboard, and Intel consistently makes high quality stuff. In my mind, ICH8 is the clear favorite.

The SI3132 and JMB363 are both PCI-E X1, giving a 250MB/sec link to the southbridge. I haven't verified this personally, but the JMicron stuff can be kind of wonky (Their SSD controller chips, mainly). I'd prefer the SI3132 to the JMB363, but that's largely just my opinion.

As you've already observed, the 2410 is limited to 32-bit PCI. That's a maximum of 133MB/sec, and that is shared amongst all of the devices on that bus. Burst transfers will certainly be bottlenecked by this limitation, and even some ideal linear transfers from the disk media won't be perfect. The limitation of the bus bandwidth pretty well wipes out whatever advantage the cache RAM on the 2410 would have provided.
 
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