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Found 6 results

  1. Welcome to the E6440 Owner's Lounge! A place to share tips/tricks/mods with other owners get the most satisfying user experience from this exceptional notebook. Release date: Sep 2013 Model name: Compal LA-9931P (iGPU) or LA-9932P (HD8690M) http://www.youtube.com/watch?v=KvbzGXOz3nU Example user-customized E6440 systems ordered by CPU performance User CPU clock TDP x27-TDP Storage: 9.5mm primary + ODD bay + mSATA Other mods komoornik i7-4940MX 3.1 57W 512GB SSD + BD-ROM FHD_LCD_retrofit, 16GB DDR3L Atonus i7-4810MQ 2.8 47W 250GB+2560B RAID0 Samsung EVO SSDs EC_retrofit, RAID unlock, 16GB DDR3L planetburns i7-4810MQ 2.8 47W 180GB SSD + ODD Tech Inferno Fan i7-4800MQ 2.7 47W 32.3 500GB SSHD + ODD EC_retrofit, GTX770 eGPU, OC_ME_FW PURPLE - highest performance AND lowest power consumption in this tableRED - highest performance configuration in this tableGREEN - lowest power consumption in this tablex27-TDP: TDP when running at x27 reflecting overall CPU temps and efficiency as discussed Operating System, Support, Drivers, Disassembly Guide Dell's E6440: Driver's link, Manuals link and Upgrade parts link. Windows 7 Dell OEM Source : Includes additional Dell installation content needed for a fully licensed Win7 clean install.Dell warranty checker: useful to check an ebay secondhand unit's remaining warranty. Ask vendor for the Support Tag.Performance upgrade: mSATA SSDYes, there is a mSATA slot in the E6440, though is not visible when taking the rear cover off. It needs the left bumper cap removed. It's situated above the WWAN marking as shown in the spoiler below. In fact, this slot is WLAN(PCIe1), mSATA (SATA3 port4) and WWAN (USB 2.0)!! Sharing the PCIe and SATA lines being a new Series-8 Flexible I/O chipset feature : http://forum.techinferno.com/diy-e-gpu-projects/6882-series-8-flexible-usb3-pcie-sata-pcie-i-o-some-more-x2-2-0-possibility.html#post94382 Performance upgrade: i7-quad CPUCan effectively double the CPU performance going from a factory i5/i7 dual core to a i7-quad CPU. Note: warranty implications of a CPU upgrade - a factory-specced faster dual core up to i7-4610M will not void warranty while a i7-quad will void the warranty if Dell know about it as it wasn't offered with one. I'd keep the original CPU back and swap it back in if necessary. Upgraded E6440 i7-quad system examples are shown in the table above.One important consideration is whether to get a 37W i7-4702MQ (4-core turbo=2.9Ghz)to keep within the factory-configured CPU's TDP or get a faster and hotter 47W i7-4800QM/i7-4700MQ (4-core turbo=3.5/3.2Ghz). I'm of the opinion that the 37W one should be avoided. That's because (1) the 47W CPUs can be software limited to 37W (2) XTU/Throttlestop allows a negative offset voltage offset to be applied bringing TDP down and allowing higher multipliers to work and (3) the beefier dGPU-model heatsink that can handle the higher TDP and can be retrofitted to the iGPU-only model.The E6440 BIOS locks the TDP but allows extra turbo bins are accessible using either Throttlestop or XTU. Eg: a i7-4700MQ has +200Mhz unlocked turbo bins (max=3.4Ghz 4-core). A i7-4800MQ has +400Mhz unlocked turbo bins (max=3.9Gbz 4-core). Problem with the 47W TDP limit is it limits performance to 3.5Ghz during a TS 32M/1024M 4-core load test. That result being *after* voltage optimization in XTU/Throttlestop. Meaning then that max performance lies between a turbo unlocked i7-4700MQ (3.4Ghz) and i7-4800MQ (3.9Ghz). Eg: a i7-4710MQ (3.5Ghz 4-core) would be at max TDP limits. Though those newer CPUs are rarer and often pricer than a faster i7-4800MQ. Means then that for the majority of users, a i7-4800MQ gives an easy plug'n'play installation from which highest performance, within TDP and thermal limits, can then be extracted easily using Throttlestop or XTU.RECOMMENDED reading: 1. http://forum.techinferno.com/throttlestop-realtemp-discussion/6958-haswell-step-backwards-ivy-bridge-i-have-some-shocking-tdp-results.html#post951812. INFO: dGPU_heatsink - improve iGPU model cooling by retrofitting dGPU model heatsink+fanPerformance upgrade: external graphics (eGPU)RECOMMENDED reading: INFO: EC_retrofit - retrofitting an expresscard slot to a E6440An eGPU has been implemented on a E6440 using a NVidia GTX770 (Tech Inferno Fan), AMD R9 280X (Tech Inferno Fan).DIY eGPU: attach a desktop videocard via the E6440's 5Gbps expresscard slot. Provides accelerated gaming graphics, CUDA/OpenCL processing and additional HDMI/DVI outputs to drive multiple monitors. A NVidia or AMD card is a straight plug-n-play implementation on a E6440. The system must boot least once with the eGPU attached and detected by the BIOS. This lowers TOLUD from 3.49GB to 3.24GB, storing it in NVRAM thereafter. Both my GTX770 and R9 280x can then be allocated without any error 12. In addition, no PCI Reset Delay mechanism is unnecessary and is best to be disabled. Then the system and eGPU can support a sleep-resume cycle with eGPU activate on resume. NOTE: The A.02 BIOS handles the eGPU beautifully, running a Gen2 expresscard link. Unfortunately bios A.05 or newer sets the EC port to Gen1 speed if you hotplug the eGPU after BIOS boot (see details). Flash back to A.02 to get the faster Gen2 link speed OR disable any PCI Reset Delay mechanisms on the eGPU adapter so the BIOS sees the eGPU on boot. Note: E6440 iGPU-model can boot with powered eGPU powered plugged into EC slot. dGPU-model E6440 will not boot with powered eGPU plugged into EC slot and so requires hotplugging after boot. In case anybody is wondering, a x2 2.0 eGPU link is not electrically possible unless there is a USB3 port 4 on a docking connector so can use the http://forum.techinferno.com/diy-e-gpu-projects/6882-series-8-flexible-usb3-pcie-sata-pcie-i-o-some-more-x2-2-0-possibility.html#post94382 feature. The USB 3 ports on the system are 1, 2, 3 and 6. The E6440 PCIe port layout is shown in the spoiler: If want to experiment with a x2 2.0 eGPU implementation then suggest look at a one-gen older Dell E6430. It's has two mPCIe ports (port 1 + 2) as per the E6430 schematic. System mod: LCD upgradeUpdate Feb-2015: newer E6440 has eDP rather than LVDS connected on the systemboard, with a 1920x1080 LCD option. See details. The FHD LCD retrofit parts required for the 1st E6440 series are in the spoiler: NOTE: The Intel iGPU Control panel mistakenly lists the LCD as being eDP as explained in the series-1 E6440.768P->900P is possible as a user upgrade. Required is swapping the HD 1ch LVDS cable for the 2ch LVDS HD+ and of course changing the 768P LCD for a 900P one. The two different LVDS cables available for a E6440 are: The two different LCDs being: My system came from the factory with a 900P AUO B140RTN02.2 panel with Dell p/n 0M4RTT. I find brightness and viewing angles quite satisfactory. A photo of my 900P LCD's model labelling is in the spoiler below. 1080P or higher resolution : not possible since the E6440 uses a LVDS rather than eDP internal LCD interface. The max resolution available in 14" LVDS is usually 1600x900, representing 37% more viewing area than 1366x768. Though ebay has 14" 1680x945 LVDS LCDs, giving an additional 10% more viewing area over 1600x900 or 51% over 1366x768. --> 1680x945 LCD does not fit correctly as attempted here.System mods: coolingINFO: dGPU_heatsink - improve iGPU model cooling by retrofitting dGPU model heatsink+fan. Useful if see i7-quad thermal throttling under full 4-core load. MISC infoRAID_unlock: Enabling E6440's hidden RAID BIOS options (Atonus) giving RAID-0/1 and maybe RAID-5 as discussed.Using a ramdisk for browser cache (phillofoc) : to extend battery lifeI present you a tool to decompress Dell UEFI BIOS (JimboBobB@MDL) - extract the raw E6440 BIOS file from Dell's distribution EXE. Confirmed works. A workaround to the depreciated "-writehdr" option.Modifying UEFI variables : eg: remove CPU TDP power limits, RAID/Expresscard/max TOLUD, disable dGPU Dell E6440 reviews Review Dell Latitude E6440 Notebook (notebookcheck.net)Review Dell Latitude E6440 (itfroccs.hu)Dell Latitude E6440 (youtube #1)Dell Latitude E6440 Notebook (youtube #2)
  2. Hi! I have recently a power shortage problem - the battery in my laptop ran out of juice and it suddenly shut down. This resulted in a broken SSD drive, which actually died a week later (not detected by any system or adapter). The laptop also had another SSD msata drive installed which was ok and I could see the data on it when booting into linux from pendrive. I then got a new drive and went for a completely new system in RAID 1 config for backup - changed legacy to UEFI mode in BIOS, removed the mSATA before in case I got something wrong and the data was erased. After installing Windows to the RAID volume I plugged the mSATA SSD into the mobo again and it is no longer visible for both BIOS and Windows. What could have gone wrong? I assume these possibilities: the motherboard went wrong or the drive got broken - question is "HOW"? I resorted to google straightaway and I've found several tips: - update the BIOS (did that, and nothing changed) - change RAID/AHCI/ATA modes (still nothing) - reset the RAID, install new OS and drivers (still not showing the drive) - complete a "power cycle" for SSDs, found on Crucial's forums (is that even a thing?) I need to recover the data from this mSATA drive - how do I do that? The system I'm using: Dell M6700 with i7 3940XM 16GBs of RAM 2x ADATA SSD in a RAID array 1x Samsung PM851a mSATA - the one I am trying to revive
  3. Hi i need help! i have got an asus t200ta-cp018h and this is the board where is the slot for the wifi card. i would like mount an ssd in the wifi card slot. is it possible for you? Is this port pci-e or pci-s/sata combo? I need a Kingspec SSD Mini PCI-E IDE/PATA or a Kringspec mSATA Half MINI PCI-E MLC SSD? Could you help me?
  4. QuiteNice

    Installed WIN7 on Y510P mSATA gone..

    As the thread says I re-installed the Y510P with windows 7. Becouse I hate working with WIN8. But now the mSATA is gone! Can't find it anywhere.. Thanks in advance
  5. Alienblaster

    msata SSD doubt

    Was planning about buying an msata ssd for my m17xR4 and came across a doubt. I thought msata port meant the port is a standard one, but looking at an ssdboss comparison chart, there was more than one msata port, like the mSATA PCI-Express port, msata sata III, etc. I was about to buy Plextor 128GB mSATA SSD M5M Series PX-128M5M, and wanted to confirm if it will work my R4. Any suggestions would be greatly appreciated. Also if time permits, please tell me about any pros and cons about the plextor ssd I mentioned above, like if it supports TRIM, if there is better compatible msata ssd for the same price etc. Thank you.
  6. clarenc3

    Y400/Y500 boot from mSATA

    Hi all, I'm having big troubles booting from the mSATA when a hard drive is inserted in the 2.5" hard drive bay. I'm attempting to boot Ubuntu off the mSATA and GRUB (bootloader) won't even load; it just reaches a black screen and enters a high-power state. If I unplug the 2.5" drive and leave it out OR insert it in the CD/DVD with a caddy, it boots mSATA fine. Can anyone please confirm that booting mSATA works with 2.5" inserted? Could this possibly be a manufacturing error? BIOS?
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