Dell XPS 15 (Skylake) 9550 Owner's Lounge

Discussion in 'Dell XPS and Studio XPS' started by T2050, Oct 30, 2015.

  1. haris163

    haris163 Notebook Consultant

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    I was just able to update the BIOS to 01.01.15 using the update driver software option from the device manager.

    So far, so good... FirmwareUpdate.png
     
  2. bernieyee

    bernieyee Notebook Evangelist

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    Just updated as well.

    Seemed to update quite a bit of stuff. But no more throttling confirmed. Display still flickers at low brightness though on FHD.
     
  3. dansi

    dansi Notebook Consultant

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    Nice find, now I know w10 can update firmware so easily.

    1.1.15 seem newer than notebookcheck review, here hoping it fix the NVME bug, though a quick glance, the battery life report dont seem any better.

    Cpu now can reach higher than 2.6ghz on battery, was on 1.1.07 previously
     
  4. LOUSYGREATWALLGM

    LOUSYGREATWALLGM Notebook Deity

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    Can anyone with clean install Windows 10 check if they still have the "Firmware - > System Firmware" on device manager?
    I used to have that before I did the clean install
     
  5. dansi

    dansi Notebook Consultant

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    Yes I have that, just updated to 1.1.15 super easily. Clean installer here
     
  6. LOUSYGREATWALLGM

    LOUSYGREATWALLGM Notebook Deity

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    DId you install any BIOS driver prior to the 01.01.15 after you did the clean install? I'm still puzzled as to how I lost that option because I haven't touched the system much after the clean install

    EDIT: I would also like to know your Windows build version.. this might be the culprit.
     
    Last edited: Jan 2, 2016
  7. jaisah

    jaisah Notebook Enthusiast

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    So what's the final verdict on setting up a 950 Pro SSD? Should I set to AHCI or Raid and which drivers should I use?

    Thanks in advance.
     
  8. Raymond Dijkstra

    Raymond Dijkstra Notebook Guru

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    Double entry.. Sorry..
     
    Last edited: Jan 2, 2016
  9. LOUSYGREATWALLGM

    LOUSYGREATWALLGM Notebook Deity

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    @jaisah
    Can't comment directly on that because I'm still with stock SSD. Going from standard driver to Samsung 950 NVMe driver (on PM951) I see the numbers went both ways. i.e., 4K read is a bit slower while 4K write is much faster (read: 42 -> 39, write: 140 -> 208)

    One thing that puts me away from the said driver is the reboot issue when using it with stock SSD
     
  10. Raymond Dijkstra

    Raymond Dijkstra Notebook Guru

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    Nice find, thanks for the update.

    I noticed 4 firmware update:
    1) system bios update (I think that was the text, since I started writing things down after I noticed their were 4 updates);
    2) Intel ME firmware update;
    3) Main TI PC 0
    4) EC Bios

    Anyone knows what 1..4 means??

    I can confirm speedcapping issue is gone (i7, 4k, 1tb ssd, 16gb).
    processor SST is (still) not available.
    TPM still disabled.

    Geekbench gives same results running on battery and AC, both ways peaks multicore at 3,3 Ghz and 3,5 Ghz singlecore.

    Crystaldiskmark score (PM951, AHCI, Samsung NVMe drivers, software bitlocker) are same as before fw update:


    CrystalDiskMark.png
     
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