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I have 2 Samsung SATA drives (250GB SP2504C & 500GB HD501LJ) & a Seagate SATA (250GB ST325082). My first build on my new Gigabyte GA-MA69G-S3H with the RAID controller in AHCI mode was on the Samsung 250GB & it tanked badly. I ended up doing a fresh install on the Seagate & it was much better, but I've noticed that copying between the drives has been very slow, so I ran some tests today.
HD Tach (quick bench) & PerformanceTest's Disk Mark both reported staggering results - the Samsungs struggled to sustain 10MB/sec throughput! My first thought was dud cables or drives, but cycling cables produced nothing different & I doubted my 15 month old 250 & my brand new 500 would both be bad. To test that, I stuck them in an Nvidia based system & re-ran the tests - both were perfect & the Seagate was faster too. On the SB600 it struggles to outperform the SATA150 benchmark drives in HD Tach.
Questions:
1. Is this a known compatability issue?
2. Is this AHCI only, or with the SATA controller in any setting?
3. Is the performance of the SB600 generally poor?
4. Why the f*** did I change to this bloody motherboard?
Can anyone else with a SB600 based board run the HD Tach test & see what you get?
Thanks,
Justin
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VMC32: Asus M3N78-EMH HDMI, 4850e, TMG A2 CPU Cooler, 2x1GB Kingston HyperX 800, 2 x HVR-2200 (4 tuners), 500GB Samsung, NSK2480B. Connected to a Metz 32 inch LCD.
Office/Server: Abit A-N78HD, BE-2350, 2x1GB Kingston HyperX 800, 2 x AverTV Duo (4 tuners), CoolerMaster Centurion 5 Tower.
Same Samsung Drive and Same SB600 under vista, but different M/B vendor.
HDTach won't run in vista, but HDTune shows no such issues, and is the same under XP, im not running AHCI, but rather native IDE. I've got zero plans to turn on AHCI and use NCQ, motto here is, if it ain't broke don't fix it.
I'm running ATI CCC 7.7, and the associated SB600 driver that came bundled.
Thanks for that - should help me isolate the problem.
Wanna see something scary? See the attacheched result.
Justin
Hi Justin,
Ah yes, that's not good, something definitely adrift going on there. Especially if the drives perform better on your Nvidia based system.
I would suggest to either check for latest BIOS from gigabyte, and or maybe turn off AHCI, but be careful it may trash your XP or vista install, got backup images close at hand just in case it turn pear shaped ?
__________________ Case: Antec Fusion v2 CPU: Intel C2D E6300 M/B: Abit Fatal1ty F-I90HD Mem: 2GB Corsair PC 6400 Video: ATI HD 2400XT Passive HDD: OS, 160GB Samsung Spinpoint + Recordings, 500GB Samsung Spinpoint DVD: Pioneer BD-ROM BDC-202 SATA + XBOX360 HD DVD Tuner: Digital Now Dual Hybrid PCI-Express S2 Display: Samsung 1080p 40 Inch LA40F71BX with HDMI 1.2 Input: OEM XP MCE 2005 remote and wireless keyboard OS: Vista Ultimate 32 SP1 Audio: Onboard Realtek ALC888 -> SPDIF TOSLINK -> Yamaha RX-V396 receiver
I have some very strange HDD issues when going to standby or re-starting using AHCI on the same mobo.
I may switch back to native IDE because it will also allow Acronis to work properly again. Need to boot from CD to use in AHCI, but it reboots and restores from windows in IDE mode.
Not sure about any real performance advantages using AHCI.
Just back from a week in SA (not RSA) & I got a chance to take a look at this today. I was having trouble with my SATA burner, so I decidied to work out if I could change to native IDE from AHCI without a repair install. With the addition of some entries in the registry (using these instructions kb314082 - not sure if it would've worked without these ), I changed the mode in the BIOS & Windows booted OK. Windows detected the drives & loaded the drivers (like when you plug in a drive from somewhere else for the first time) & then asked to reboot. I did & it was fine.
Immediately everything was snappier - I finally got the performance boost that I expected when I went from 3800+ to 4800+. I did an edit with VideoReDo & it was much faster. I ran HD Tune on my Samsung 500GB & the results were very similar to Bigdonk's (same average, higher burst, lower CPU usage, smoother graph). And the burner worked perfectly!
So, AHCI seems to be a problem for this motherboard or chipset.
Justin
__________________
VMC32: Asus M3N78-EMH HDMI, 4850e, TMG A2 CPU Cooler, 2x1GB Kingston HyperX 800, 2 x HVR-2200 (4 tuners), 500GB Samsung, NSK2480B. Connected to a Metz 32 inch LCD.
Office/Server: Abit A-N78HD, BE-2350, 2x1GB Kingston HyperX 800, 2 x AverTV Duo (4 tuners), CoolerMaster Centurion 5 Tower.
AMD/ATI SB600 SATA & Samsung Drives
), I changed the mode in the BIOS & Windows booted OK. Windows detected the drives & loaded the drivers (like when you plug in a drive from somewhere else for the first time) & then asked to reboot. I did & it was fine.
I did an edit with VideoReDo & it was much faster. I ran HD Tune on my Samsung 500GB & the results were very similar to Bigdonk's (same average, higher burst, lower CPU usage, smoother graph). And the burner worked perfectly!
