What is up with the Marvell 9123 Raid Controller? P55-GD85
Hi all,
I recently bought an MSI P55-GD85 - I updated the bios to the latest 1.3. Everything is good and I love it.
The problem came when I bought an SSD. First of all, I NEVER wanted to use the Marvell Sata ports (white one, Port 7 and 8) because I don't have any SATA III drives but right now It seems that I don't have a choice because of the SSD.
Originally, I ran Raid 0 on my 2 x Samsung F3 Spinpoint 500GB which is plugged on the P55 sata ports (ports 5 and 6). Of course that means that the P55 sata controller is running in Raid Mode.
Now the SSD came to play and wanted to use it as boot drive. I plugged it into SATA 0 (P55). I decided to run some benchmarks and tests BEFORE installing Windows 7 on it (still keeping my Raid 0 Samsungs). I ran some tests and it was amazing. ATTO and HD Tune pro hits the spec speeds of the SSD. For the sake of it I also ran test on the Samsung that I have. In raid 0, I hit 280mbps reads speeds/13.5ms seek which is very very good.
Now the problem:
Even though I have a Single SSD drive, TRIM does NOT work because it is connected to the same P55 SATA ports where my Samsung Raid is connected - which is of course, in Raid mode. As far as I know TRIM will only work in AHCI mode for the P55 ICH10R chip.
I don't want to give up my Raid setup so I though maybe I should connect it to the Marvell Raid. I had to reformat and rebuild the RAID volume in Marvell and reinstall Windows 7. This time I also installed Windows 7 on my SSD so I can benchmark my Raid 0 (marvell controller). To my shock these are the results:
Using HD Tune Pro:
P55 Raid - 2 x 500gb samsung F3s
Max Read - 280mbps
Min Read - 220mbps
Average - Around 240mbps
seek - 13.5
Marvell Raid 0 - 2 x 500gb samsung f3s
Max Read - 160mbps
Min Read - 113mbps
Average - Around 130mbps
seek - 15.6ms
I made sure that all drivers are updated (unless I need to flash the BIOS for the Marvell chip - is that possible)? I'm in the office right now as I can't remember the exact version of the marvell, I think it is 1.0.0.1013 (I'll edit as soon as I go home).
As you can see, the performance is like half! Which is unacceptable.
Then, just for tests, I tried to plug in my Single SSD to the Marvell white Port (port 7) and ran some benchmarks.
Here are the results:
P55 ports Single - Kingston 64gb SSDNow V series
Max reads: 180mbps
Min reads: 130mbps
Ave reads: 140ish
Seek: .2ms
- it did not hit the 210mbps theoretical speed that it pretty decent IMO
Marvell Sata ports - Single Kingston 64gb SSDNow V series
Max reads: 130mbps
Min reads: 110mbps
Ave reads: 120ish mbps
seek: .3
I also noticed real world performance (like boot times and application snappiness) differences between Marvell and the ICH p55 controllers. The Marvell does not perform well compared to the intel one.
BTW, I also tried the Jmicron 36x Sata port 9 and it is so much worse.
Is the Marvell Controller really that slower compared to the Intel Controllers?
Could any one please help me to improve my RAID and/or AHCI mode of my Marvel; controller? Also, does TRIM work with Marvell Controllers in AHCI mode?
Thank you!
Specs:
Core i7 870 @ stock
P55-GD85 BIOS 1.3 (from MSI website)
EVGA GTX 460 768mb SC
4 x 2gb G.Skill Ripjaws 1600 (XMP enabled) - runs fine
2 x 500GB Samsung F3 Spinpoint
1 x Kingston 64gb SSDNow V SSD
DVDrom
Corsair 650TX
Mugen 2 Rev B
Thermaltake Armor A90
Quote from: Jack t.N. on 11-September-10, 02:05:06
The Marvell Controller Firmware Updates will come as part of the system BIOS Update. I am not sure if this has to do with the Controller Firmware or the driver version used. But in any case, I suggest you contact MSI Technical Support and report your findings so they can check it:
http://support.msi.com/
Thank you for your reply.
I hope it is nothing serious. I have to make screenshots and make a better documentation of my findings before I send it to them.
How about the others that use Marvell 9123 in SATA II or SATA II RAID-0? Am I just alone?
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