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phynigan

3 Posts

15537

July 20th, 2006 11:00

SAS not needed

Will be setting up 690 and 490 boxes but without RAID, strictly SATA drives. Dell installed SAS RAID controller software but don't require it, can I remove all instances of RAID/SAS SW without issue?

phynigan

3 Posts

July 21st, 2006 12:00

Got it thanks. I pulled the SATA connectors off the HDD0 to HDD2 on the MB and put them on the SATA0 to SATA1 ports, disabled SAS, un-installed SAS, reset the boot order and restarted fine.

Dilbatt

191 Posts

July 21st, 2006 12:00

Sure.  Note that the 690 has two controllers--a SAS controller and a SATA controller.  The SATA controller is connected to the Intel Southbridge.  On the 690, the SATA controller does not support RAID.  So, if you are not interested in RAID capability on the 690, yes you can shut off the SAS controller.

Dilbatt

191 Posts

July 21st, 2006 12:00

One more thing...  You can also put SATA drives on the SAS controller.

Dilbatt

191 Posts

July 21st, 2006 12:00

Yes, if you are talking about the Dell SAS Storage Manager software.   This software is only present on systems with the SAS 5/iR controller and is optional.   Note:  SAS RAID volumes can also be created with the O-ROM, so that is why I say the SAS Storage Manager software is optional.  The 690 system has a SAS controller on the motherboard, but the 490 does not.

Message Edited by Dilbatt on 07-21-200608:18 AM

phynigan

3 Posts

July 21st, 2006 12:00

Can I also disable it in the BIOS?

mfanclub

8 Posts

January 16th, 2007 16:00

I too have a Precision 690 using SAS and the performance is horrible!  It has 2 Zeon 5050 processors and 2GB RAM. I currently have 1 500 GB hard drive connected on the SAS controller by default. Would it be wise since I am not using RAID to take it off SAS and use SATA instead? If so do I just move the connection on the MB, disable SAS in the BIOS and enable SATA in the BIOS then uninstall the SAS manager software? This is my first time working with SAS (and it has not been pleasant) and with a Precision so any help would be much appreciated. Currently this PC is about 4 times SLOWER than a 3 year old Precision 360 with one single core processor.

Message Edited by mfanclub on 01-16-200702:43 PM

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