On Tue, Dec 14, 2010 at 9:13 AM, Dale <[email protected]> wrote: > Mark Knecht wrote: >> >> On Tue, Dec 14, 2010 at 8:42 AM, Dale<[email protected]> wrote: >> >>> >>> Hi, >>> >>> I got one more hard drive to move over and it is SATA. Question one, can >>> the new mobo's do hot plugging for SATA drives? I have a plug on the >>> front >>> of the case and was wondering since it is on the front if they can be hot >>> swapped or if I need to shutdown then hook it up. If I can hot swap, >>> where >>> does the power come from? I know the drives I put in the case have a >>> separate power connection. How's that work exactly? Is that just for >>> external drives that have their own power? >>> >>> I have two dries in here already. One I bought and one that was donated. >>> This is what hdparm reports: >>> >>> fireball ~ # hdparm -tT /dev/sda >>> >>> /dev/sda: >>> Timing cached reads: 6788 MB in 2.00 seconds = 3395.32 MB/sec >>> Timing buffered disk reads: 328 MB in 3.01 seconds = 109.06 MB/sec >>> fireball ~ # hdparm -tT /dev/sdb >>> >>> /dev/sdb: >>> Timing cached reads: 6736 MB in 2.00 seconds = 3367.58 MB/sec >>> Timing buffered disk reads: 324 MB in 3.01 seconds = 107.69 MB/sec >>> fireball ~ # >>> >>> Is that about normal? The mobo is 3Gbs/sec and the drives are too. >>> Shouldn't they be faster than that? I read at one time that SATA is >>> basically plug up and it works. Just checking if there is a setting I >>> need >>> to change. >>> >>> Related to the above, in the BIOS, it is set to Native IDE. Should that >>> be >>> set to AHCI instead? Is that why it is slower than expected? Is that >>> good >>> to go with Linux as well? I have this set in the kernel and built in as >>> usual: >>> >>> AHCI SATA support >>> >>> Let me know if I am somewhat right on anything. Oh, I decided to name >>> the >>> new rig fireball instead of lightening. ;-) You may notice that in the >>> paste up above. >>> >>> Thanks. >>> >>> Dale >>> >> >> The SATA spec allows for hot plugging, so technically yes, but it also >> assumes the drives are in some sort of container so that power and >> signals are applied at the right time. >> >> The plug on the front of your case is probably eSATA which looks >> similar but has some small changes. What you want to do is figure out >> which of your MB SATA ports are eSATA compatible and then run one of >> those channels to the connector at the front inside your case. >> Typically SATA drives are converted to eSATA external drives by >> putting them in a case you can get at most computer shops for< $30 or >> so. >> >> Hope this helps, >> Mark >> >> > > I did hook the eSATA cable that goes to the front of the case to the eSATA > connector on the mobo. Thing is, I think they are all eSATA compatible tho. > I think that is what I read in the mobo book. Yea, I read the book. I > even followed the instructions for the CPU cooler too. lol > > I was thinking it needed some sort of power for the drive tho. I didn't > think it was like USB stuff. > > Thanks for the info. > > Dale
One of my MBs had 6 SATA connectors but only two were eSATA compatible. Power for my eSATA drive is supplied by the case. Hope this helps, Mark
