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Samsung 830 SSD Series 128GB SATA3 not working properly

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July 11, 2012 8:15:46 PM

Hi!

Yesterday I bought a Samsung 830 SSD Series 128GB SATA3, and in my opinion something is not working. My specs are:

Quote:
Windows 7 Home Premium 64 Bits
Intel Core i5 750 (2,67 GHz)
Asus P7P55D-E
OCZ DIMM 4GB DDR3 - 1866 Gold Low Voltage
128GB Samsung 830 SSD Series SATA3
- 1TB WD Caviar Green 64 MB
- 1TB Samsung Spinpoint F3
Sapphire Radeon HD 6870 1GB DDR5 (MC: 1230 MHz / CC: 990 MHz)


My motherboard has a technology called IO Level UP:

Quote:
Turn on IO Level Up to boost the USB 3.0 or SATA 6Gb/s data transfer rate to up to 500MB/s! Users can flexibly switch between full-speed PCIe x16 mode for their graphics cards and IO Level UP for rapid data throughput.


Without IO Level UP I get the next scores:



And with IO Level UP:



I have done the next things:

- Activate Trim
- Update the firmware
- Set controller to AHCI
- Type fsutil behavior query DisableDeleteNotify in CMD
- Disable automatic defragmentation
- Disable indexing
- Disable pagination
- Disable prefetch

I hope someone can help me :( 
July 11, 2012 8:29:32 PM

Is the ssd plugged into one of the gray sata ports on your motherboard?
a b Ô Samsung
a c 523 G Storage
July 11, 2012 8:47:16 PM

Verify that your drive is connected to one of the Marvell 6Gb/s ports in AHCI mode.
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July 11, 2012 8:55:02 PM

For the record the cable you use doesn't make a bit of a difference as long as it is some kind of sata cable. I would say next thing to do is run different benchmark programs to verify the speeds you are getting from the drive.
July 11, 2012 8:57:45 PM

It seems the SATA3 controller on that board uses a certain Marvel chipset that peaks in the low to mid 300 MB/s range, vs the latest Intel chipsets that will do 550+ MB/s, DESPITE what that IO Levelup feature tells you about reaching 500 MB/s.

I have the same mobo and I don't bother with the SATA3 ports. I get mid 200's using the Intel SATA2 port, but it has faster access times according to AS SSD.

Boot time is about 8-9 seconds and everything zips along much faster than I could've imagined, so I'm gtg until next system upgrade (after Ivy Bridge).
July 11, 2012 10:43:18 PM

Based on what JustLurking said, plug the ssd into the Intel ports and run the benchmarks on it. You are going to want to use the ports that give the best access times and 4k performance.
July 11, 2012 11:23:59 PM

Gorz, the problem is that my Intel ports are SATA2 :S
July 11, 2012 11:24:04 PM

Gorz, the problem is that my Intel ports are SATA2 :S
July 12, 2012 12:04:26 AM

Sata devices are compatible with any sata port.
July 12, 2012 12:16:06 AM

But If I test it at SATA 2, probably I will get worse results than if I do it at SATA 3. Or, do you want me to test it on both ports, and then decide which is the best for me, due to my situation?
a b Ô Samsung
a c 283 G Storage
July 12, 2012 1:07:54 AM

1. You have an old socket 1156 motherboard that is no longer in production. I don't even list them in the Intel motherboard database I maintain.

2. Your socket 1156 motherboard were one of the first ones introduced with support for SATA 3 6Gb/s. At the time the first SATA 3 capable motherboards were only getting SATA 3 read speeds of around 350MB/s and write speeds of around 250MB/s.

3. There were some compatability and controller issues. There were some problems with IO Level Up too.

4. You have a new modern ssd. It is time to start thinking about a new modern motherboard for your ssd.
a b G Storage
July 12, 2012 1:28:00 AM

Sounds like the problem is bad mobo design then as Johnny said, you may be able to get them to warranty or replace the board or something (or at least it would be worth a try). Otherwise, replace or deal with it, I would bet you can't really tell the difference (and if you can, maybe try the intel ports as suggested, could be they simply function better).
July 12, 2012 2:18:19 AM

Draco351 said:
But If I test it at SATA 2, probably I will get worse results than if I do it at SATA 3. Or, do you want me to test it on both ports, and then decide which is the best for me, due to my situation?

^^ This.

The P7P55D-E won't give you true 6Gbps speeds, no matter what SATA port you use, so test both with a proper SSD benchmarking tool (like AS SSD) and pick one you like.

When you use IO Levelup, you're also giving up 8 of the 16 lanes of your PCI-E gfx card slot, if that's important to you.

FWIW - I didn't notice the ~100MB/s difference between them, whether gaming, coding, or day to day web stuff.
July 12, 2012 4:21:50 AM

Like I said you want to use the port that gives the best 4k performance. You wont notice the 100mb difference on the sequential performance.
!