I am currently looking at old post now, but if you have time to answer that be great. Do I uninstall the drivers I have now before doing this? No right? Just install them from the link after switching to ACHI in safe mode. Correct me if I am wrong. I am doing this now.
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I just switched from RAID to ACHI via safe mode successfully. I tried installing from link and I get this message. Everything seems to be working fine for now though. Will I have any problems if I don't install from the link you provided? I already have a Samsung Nvme installed as I mentioned before. As long as I don't get and watchdog crashes I am good. Thanks!
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Toshiba XG3 firmware posted on the Dell driver page yesterday - for all XG3 (not the new batch that people have been getting) - Fixed issue encountered in some system where drive is unable to detect after dirty power down.
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3 years on and Dell wont replace with an upgraded system (again) I guess after 7 or 8 swaps starting with the 9530 and being upgraded to the 9550 they have had enough. My original purchase date was the end of Jan 2014 but I argued the toss with the 3 year warranty and made them change the start date to June 2014 as that was the day I finally got a fully working system. Just waiting for them to confirm it will be a full refund.
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IIRC don't you have the XG4? you will know if you had to force the driver, I get confused as so many people on here
anyway the firmware will only install on the 3 XG3 drives listed so you can't cause any harm. -
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And yeah, I guess I do have the Toshiba. Thanks again @GoNz0 for your valuable input. I remember bombarding this forum with silly questions even before my purchase but you and others have made my life a little better. I am sure others are grateful too.Eason, aBs0lut3z33r0, GoNz0 and 1 other person like this. -
I have a Dell XPS 15" 9550 maxed out with the Toshiba 1TB NVMe SSD.
There seems to be a performance error, maybe related to the latest intel rapid storage driver.
Or to the harddrive firmware or driver..
I get really slow write speeds when I run the "AS SSD Benchmark".
If I disable the "write-cache buffer flushing policy", it somewhat performs a whole lot better (even though not optimal).
HD model: THNSN51T02DU7 NV (Toshiba XG3)
This is what the spec should be:
Sequential Read (Max.): 2400 MiB/s[7]{2516 MB/s}
Sequential Write (Max.): 1500 MiB/s {1572 MB/s}
My Current configuration:
BIOS: 1.2.18 (01.12.2016)
BIOS HD mode: RAID
Intel Rapid Storage driver: 15.2.2.1030
Firmware version of disk: 57DA4103
All the latest driver updates from update tool and dell page.
And Windows 10 is also up to date.
Result with the write-cache policy:
Read and Write speeds:
Seq = 1637,56MB/s | 50,72 MB/s
4K = 17,61 MB/s | 1,69 MB/s
4K-64Thrd = 108,60 MB/s | 1.92 MB/s
Acc.time = 0,075 ms | 2,340 ms
Score = 290 | 9
Total = 373
Results without the write-cache policy:
Seq = 2162,72 MB/s | 1134,94 MB/s
4K = 34,65 MB/s | 106,19 MB/s
4K-64Thrd = 620,71 MB/s | 715,52 MB/s
Acc.time = 0,090 ms | 0,041 ms
Score = 872 | 935
Total points = 2209
Any help on this would be greatly appresiated! -
Also you should swap to AHCI mode and install the toshiba NVMe driver. Raid mode on this laptops for the cache drive and you don't have that, Dell are lazy and install a single image.
Search posts from me and you will find all the info, I repeat it so often it will pop up in the 1st hundred posts of mine!Pkorgt likes this. -
I tried setting to AHCI mode, I got a bluescreen saying: "INACCESSIBLE_BOOT_DEVICE".
Had to set it back to raid, guess I need to do something before I can do that?
Where can I find the toshiba drivers and/or firmware? -
Start reading, the search functions really useful. http://forum.notebookreview.com/members/gonz0.606341/#postings
As for AHCI google how to "switch from raid to AHCI on windows 10."
Everything you need is in this thread.pressing likes this. -
Thanks for the help!
After I changed to AHCI, the drive was shown by OCZ software, says I had the latest firmware.
Now I installed the driver file and rebooted, going to do a test of the disk now to see performance changes.
Just got the laptop this friday, is there other issues I should address?Last edited: Jan 21, 2017 -
You also have the owners lounge http://forum.notebookreview.com/threads/dell-xps-15-skylake-9550-owners-lounge.783377/
Other useful threads can be found in this XPS subsection of the NBR forum. Happy reading. -
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XPS 15 9550 1.2.19 BIOS
Fixes & Enhancements
1.Fixed Pre-OS has no display on external monitor with Lid Close issue
https://downloads.dell.com/FOLDER04109999M/1/XPS_9550_1.2.19.exePkorgt likes this. -
Nice to see dell still putting out bios updates for this machine.
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John Ratsey Moderately inquisitive Super Moderator
John -
Did anyone test the new Samsung NVMe driver (ver. 2.1) with the classic PM951 SSD drive? After several days using it I noticed visibly improved battery time but unfortunately the system had frequent hangs (mostly during resume or restart phases) and had to be repowered to start again... So I reverted back to ver. 1.1.
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custom90gt Doc Mod Super Moderator
Gix likes this. -
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custom90gt Doc Mod Super Moderator
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P.S.: Samsung, if you read this go and fix it!Last edited: Jan 24, 2017varuka and custom90gt like this. -
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I've got the 1.1, this one okay for the 950 Pro? -
varuka likes this.
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custom90gt Doc Mod Super Moderator
here is where I got it:
https://onedrive.live.com/?id=5014229B9E752333!30939&cid=5014229B9E752333_sem_ likes this. -
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I had posted a onedrive link from my personal stash but here is another https://1drv.ms/u/s!ArTAP9qwiGB0hPUdG0_HpCh1QdPeXQ
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Sent from my SM-G920F using Tapatalk -
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So unless anyone can point out what I did wrong or missing doing, I am stuck wondering if I received a bad drive. Any advice would humbly be appreciated. -
To allow the windows installer to see the SSD I would try the latest Raid/AHCI drivers here https://mega.nz/#!Zd9BHCxB!MFUitQiKyj8xu63bO9Tzt-Rkz711LcV3SqjNbGug7jo
You can throw them onto my ISO when it is on the USB, just create a folder you will recognise "RAIDdrievrz" or something and unzip the files into the folder you created then when windows says it can't find a drive and asks for driver point it there and click the one with AHCI as part of the name -
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I tried to replace the storage driver with the one you provided, but the installation program said that it didn't match my XG3. I tried a manual install, but windows wouldn't take it. So then, I installed the OCZ utility which showed that both the driver and firmware are up to date. I only had the one BSOD and none since, so maybe it was just a hiccup. Here is the first benchmark:
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Here is the Crystal Diskmark results.
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Decent speeds. So under storage controllers do you still have the microsoft nvme controller or does it say XG3
You can force it to update it. -
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Dell XPS 15 (9550) list of hardware and software problems
Discussion in 'Dell XPS and Studio XPS' started by mike_nbr, Nov 29, 2015.