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#1
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IDE RAID
Are there any 865 or newer boards with on-board IDE RAID, or is my only
choice SATA RAID? |
#2
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In article b_Y2d.46872$OZ6.16989@okepread06, "Ted Dawson"
wrote: Are there any 865 or newer boards with on-board IDE RAID, or is my only choice SATA RAID? For the 875/865 era, the Southbridge offers 4 x PATA drives and 2 x SATA drives, and for boards that have ICH5R (deluxe boards), the SATA can be run in RAID mode. A number of these boards also have a Promise 20378, which has 2 x SATA and one PATA cable. You could RAID two IDE drives on a Promise 20378, but by sharing the PATA cable, performance will be eroded. On the 915/925 boards, I believe Intel has reduced the PATA interface to a single cable on ICH6, while offering four SATA ports. This is all part of Intel's plan to wean users off PATA. To compensate for this deficiency, Asus offers the iteusa.com IT8212 PATA RAID, which has two IDE connectors and allows four drives to be connected. I haven't seen any benchmarks posted for this chip, so cannot say whether it is a good chip for RAID or not. So, have a look in the P5xxx part of the motherboard web page, as the specs for some of them will include the IT8212. Some of the boards use PCI Express, others AGP, some have DDR2 and others DDR, so you can search until you get the right level of reuse of your current components. You could always buy a separate controller card. The only one I would avoid, is any product with a CMD0680 chip on it, as the RAID on that one is "soft RAID". The down side of separate controller cards, is getting them to work with other motherboard disk subsystems. If you plan on booting from a separate controller card, sometimes it means disabling other hardware on the motherboard to get it to work. As to whether any Southbridge has IDE RAID built in, I don't remember any. HTH, Paul |
#3
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"Paul" wrote in message news:nospam- -snip You could always buy a separate controller card. The only one I would avoid, is any product with a CMD0680 chip on it, as the RAID on that one is "soft RAID". All [S]ATA RAID is software/firmware RAID except fancy/expensive cards like 3Ware and top Promise cards. I know of NO onmobo HW [S]ATA RAID...it's all software/firmware. The down side of separate controller cards, is getting them to work with other motherboard disk subsystems. If you plan on booting from a separate controller card, sometimes it means disabling other hardware on the motherboard to get it to work. As to whether any Southbridge has IDE RAID built in, I don't remember any. HTH, Paul |
#4
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"Ted Dawson" wrote in message news:b_Y2d.46872$OZ6.16989@okepread06... Are there any 865 or newer boards with on-board IDE RAID, or is my only choice SATA RAID? Why would you want anything but SATA RAID given that Raptors are SATA? |
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