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I just put a i7 4800mq in my e6440 with the intel graphics and it posted as a 4700 mq im confused and could someone explain how to optimize the bios for this new processor it is unclear to me

thank you

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I just put a i7 4800mq in my e6440 with the intel graphics and it posted as a 4700 mq im confused and could someone explain how to optimize the bios for this new processor it is unclear to me

thank you

Strange. Perhaps run CPU-Z and see what it reports. Maybe it's a QS/ES chip? The BIOS settings required for the CPU are the same as for the original i5/i7 dual-core.

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Dunno if you guys now, but it's possible to have FHD IPS on E6440 - the EDP lcd from E7440.

Dell has updated back cover, motherboard and cable. It can be EDP now.

I'm proud owner of the E6440 with FHD IPS screen :)

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Dunno if you guys now, but it's possible to have FHD IPS on E6440 - the EDP lcd from E7440.

Dell has updated back cover, motherboard and cable. It can be EDP now.

I'm proud owner of the E6440 with FHD IPS screen :)

Please post pics so we can stare in awe!! Fantastic of Dell to do this. If you have part numbers of those parts required, please share.

I can confirm the E6440 is now listed with a 14.0 inch UltraSharp FHD(1920x1080) Wide View Anti-Glare LED-backlit with Premium Panel Guarantee LCD option on their US website: http://www.dell.com/us/business/p/latitude-e6440-laptop/pd?~ck=anav

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FHD IPS on E6440

Parts:

N23JF - discrete motherboard with EDP

THRH4 - EDP cable

K8X8M - lcd back cover EDP (was only comparing both back covers for a minute and did not see difference)

M1WHV - FHD lcd AUO AHVA

Funny thing there's no camera connector on motherboard with EDP.

post-28753-14494999504743_thumb.jpg

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Hello guys,

I am considering buying an E6440 to replace my E6430. However, I have some concerns, and a question. In every respect, except the possible 512gb ssd, the e6440 seems to be worse than the e6430.

The best processor for the e6440 is only dual core and is clocked at just over half of what the best processor for the e6430 gives (5000 vs 9000), which I have. I have read that it is more power efficient to have more cores run at a lower level than fewer at a higher level, and reviews confirm that the e6430 is quite power hungry. The graphics card, despite being 2gb in the e6440, is, noticeably worse than the 1gb graphics card in the e6430 according to passmark (451 vs 630).

Finally, it doesn't look like the newer latitude has a LED screen, like the retina display on the macbook. Reviews i've read say that the display is actually quite poor on the e6440, but my e6430 display is quite good. My concern again here is power consumption. A OLED screen could be set to all black with white text for certain applications, or get a black background. Lowering the brightness would reduce the power consumption (and if I recall correctly, this is not entirely the case with LED backlit screens, because the backlight never goes off.).

Therefore, if any of you already had the e6430, would you consider buying the e6440? Assuming I didn't want to void the warranty by tinkering with the insides.

Thanks, and apologies if I've asked any questions that've already been answered.

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Hello guys,

I am considering buying an E6440 to replace my E6430. However, I have some concerns, and a question. In every respect, except the possible 512gb ssd, the e6440 seems to be worse than the e6430.

The best processor for the e6440 is only dual core and is clocked at just over half of what the best processor for the e6430 gives (5000 vs 9000), which I have. I have read that it is more power efficient to have more cores run at a lower level than fewer at a higher level, and reviews confirm that the e6430 is quite power hungry. The graphics card, despite being 2gb in the e6440, is, noticeably worse than the 1gb graphics card in the e6430 according to passmark (451 vs 630).

Finally, it doesn't look like the newer latitude has a LED screen, like the retina display on the macbook. Reviews i've read say that the display is actually quite poor on the e6440, but my e6430 display is quite good. My concern again here is power consumption. A OLED screen could be set to all black with white text for certain applications, or get a black background. Lowering the brightness would reduce the power consumption (and if I recall correctly, this is not entirely the case with LED backlit screens, because the backlight never goes off.).

Therefore, if any of you already had the e6430, would you consider buying the e6440? Assuming I didn't want to void the warranty by tinkering with the insides.

Thanks, and apologies if I've asked any questions that've already been answered.

E6440 is the superior machine, particularly the newest revisions that use an eDP FHD LCD. You are correct with regards to the quad-core option factory option being removed. You can get around that by doing your own user upgrade to a quad core.

E6440 benefits over E6430:

* mSATA slot

* Series-8 chipset with DEVSLP support

* 4th gen i-core CPU allowing undervolting with XTU/Throttlestop

* FHD eDP LCD panel option in newest revision

* significantly better looking machine

- no longer had default expresscard slot, need to option it up

If looking to do a quad-core upgrade then suggest grabbing the HD8690M dGPU version. It has a better cooling system to dissipate the higher heat levels more effectively.

Then again, your quad-core E6430 is a high performance unit. It might be worthwhile waiting and skipping the E6440 and grab the Broadwell refresh instead? It will bringing a reduced 22nm->14nm manufacturing process. Expect more performance/lower temps. The 32->22nm change (SB to IVB) allows quad core CPUs to increase from about a x27 multiplier to x35 @45W TDP. That's +800Mhz more across 4 cores. We may see similar improvements with Haswell -> Broadwell.

REF: http://forum.techinferno.com/throttlestop-realtemp-discussion/6958-haswell-step-backwards-ivy-bridge-i-have-some-shocking-tdp-results.html

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E6440 is the superior machine, particularly the newest revisions that use an eDP FHD LCD. You are correct with regards to the quad-core option factory option being removed. You can get around that by doing your own user upgrade to a quad core.

E6440 benefits over E6430:

* mSATA slot

* Series-8 chipset with DEVSLP support

* 4th gen i-core CPU allowing undervolting with XTU/Throttlestop

* FHD eDP LCD panel option in newest revision

* significantly better looking machine

- no longer had default expresscard slot, need to option it up

If looking to do a quad-core upgrade then suggest grabbing the HD8690M dGPU version. It has a better cooling system to dissipate the higher heat levels more effectively.

Then again, your quad-core E6430 is a high performance unit. It might be worthwhile waiting and skipping the E6440 and grab the Broadwell refresh instead? It will bringing a reduced 22nm->14nm manufacturing process. Expect more performance/lower temps. The 32->22nm change (SB to IVB) allows quad core CPUs to increase from about a x27 multiplier to x35 @45W TDP. That's +800Mhz more across 4 cores. We may see similar improvements with Haswell -> Broadwell.

REF: http://forum.techinferno.com/throttlestop-realtemp-discussion/6958-haswell-step-backwards-ivy-bridge-i-have-some-shocking-tdp-results.html

Hey, cheers for your reply.

Looking at it, I think you're right. Until the Broadwell comes out, I can upgrade the e6430 to be, as far as I can see, in terms of some hardware at least, superior or equivalent to the e6440 (without replacing the e6440's processor).

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Yesterday I tried to connect to My Latitude E6440 to 15.6 slim Full HD LED screen, and it showed very well, LVDS interface cable was: 7MGPK - CBL ASSY LVDS HD +.

So I can confirm that the LVDS cable can be connected to the Full HD screen. Now find the exact model that will be able to order the screen.

Maybe you know what kind of model, please share the information. Thank for Your help.

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Yesterday I tried to connect to My Latitude E6440 to 15.6 slim Full HD LED screen, and it showed very well, LVDS interface cable was: 7MGPK - CBL ASSY LVDS HD +.

So I can confirm that the LVDS cable can be connected to the Full HD screen. Now find the exact model that will be able to order the screen.

Maybe you know what kind of model, please share the information. Thank for Your help.

Therein lies the issue. There appears to be no FHD LVDS 14" panels: LP140WH8-TLA1 .

The pathway to get FHD then would be to do a replacement of the systemboard with the newer edition using

the eDP interface. See details: http://forum.techinferno.com/dell-latitude-vostro-precision/6980-14-dell-latitude-e6440-owners-lounge-9.html#post123882

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Therein lies the issue. There appears to be no FHD LVDS 14" panels: LP140WH8-TLA1 .

The pathway to get FHD then would be to do a replacement of the systemboard with the newer edition using

the eDP interface. See details: http://forum.techinferno.com/dell-latitude-vostro-precision/6980-14-dell-latitude-e6440-owners-lounge-9.html#post123882

After two hours of searching, I found one that fits the screen, and has a 40-pin connector. Model : B140HAN01.0 HW:2A

These screen is to buy from ebay.co.uk. Now I'm trying to agree with mine dealer for ordering the screen. If he can not order, I will try to buy from the UK.

Or there is some one from UK, and can try faster?

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After two hours of searching, I found one that fits the screen, and has a 40-pin connector. Model : B140HAN01.0 HW:2A

These screen is to buy from ebay.co.uk. Now I'm trying to agree with mine dealer for ordering the screen. If he can not order, I will try to buy from the UK.

Or there is some one from UK, and can try faster?

B140HAN01.0 HW:2A is listed as having a 40-pin connector. I haven't see any detail of whether that is EDP or LVDS. If it's LVDS then it will work with the first release E6440 systemboards using the 2ch LVDS cable.

If you go ahead with the purchase then pls post your results.

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A little bit OT, ive got myself a second M6800 with i5 4200M and upgraded it to a i7 4710MQ. Im hitting that artificial 37w TDP limit. Will play with editing TDP variables per your guide next week.

Both motherboards from my i7 4810mq and this new i5 4710mq look the same.

Little bit of info, im hitting 3.2GGHz at 37w tdp with -75mV undervolt. No undervolt hits 3.0GHz But since that machine will be used as a video rendering station i would reall like to get those extra 300mhz.

Sent from my C1905 using Tapatalk

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A little bit OT, ive got myself a second M6800 with i5 4200M and upgraded it to a i7 4710MQ. Im hitting that artificial 37w TDP limit. Will play with editing TDP variables per your guide next week.

Both motherboards from my i7 4810mq and this new i5 4710mq look the same.

Little bit of info, im hitting 3.2GGHz at 37w tdp with -75mV undervolt. No undervolt hits 3.0GHz But since that machine will be used as a video rendering station i would reall like to get those extra 300mhz.

Sent from my C1905 using Tapatalk

According to Khenglish, it's possible to raise the TDP settings. Though a complete recipe of how he did it was never posted. Please see http://forum.techinferno.com/dell-latitude-vostro-precision/8176-%5Bguide%5D-dell-e6530-cpu-tdp-multi-unlocking.html#post111576

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Did you try it on your E6440?

YOu posted you changed in bold to red here

So a line prior to edit that looks like this:

0x69D31 Setting: Platform power limit lock, Variable: 0x54 {05 A6 11 01 12 01 3D 00 02 00 54 00 10 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}

0x69D57 Option: Disabled, Value: 0x0 {09 0E F2 00 00 00 00 00 00 00 00 00 00 00}

0x69D65 Option: Enabled, Value: 0x1 {09 0E F1 00 30 00 01 00 00 00 00 00 00 00}

0x69D73 End of Options {29 02}

Should looke like this:

0x69D31 Setting: Platform power limit lock, Variable: 0x0 {05 A6 11 01 12 01 3D 00 02 00 54 00 10 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}

0x69D57 Option: Disabled, Value: 0x0 {09 0E F2 00 00 00 00 00 00 00 00 00 00 00}

0x69D65 Option: Disabled, Value: 0x0 {09 0E F1 00 30 00 01 00 00 00 00 00 00 00}

0x69D73 End of Options {29 02}

Or the value behind variable should left unchanged?

EDIT:

I've did "bios update" from A13 to A13 :) and "bios reset" by taking out both batteries AND cpu is now going up to 47W.

Regardless of it I'll try to unlock it just for lulz and testing.

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Tech Inferno Fan, you wrote in an earlier post the follwoing;

Disable dGPU for eGPU use? NVidia Optimus will only activate if there is no other AMD or NVidia dGPU detected. Usually we use the Setup 1.30 software to disable dGPUs, but it looks like it's possible to do as a UEFI variable write:Spoiler

0x72F20 Setting: Always Enable PEG, Variable: 0x209 {05 A6 F6 05 F7 05 33 02 02 00 09 02 10 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}

0x72F46 Option: Disabled, Value: 0x2 {09 0E C0 03 00 00 02 00 00 00 00 00 00 00}

0x72F54 Option: Enabled, Value: 0x1 {09 0E BF 03 00 00 01 00 00 00 00 00 00 00}

0x72F62 Option: Auto, Value: 0x0 {09 0E BD 03 30 00 00 00 00 00 00 00 00 00}

0x72F70 End of Options {29 02}

I extracted the same information from E6530A16.exe and found the following as default values;

0x5F915 Setting: Always Enable PEG, Variable: 0x187 {05 A6 4D 03 4E 03 85 01 02 00 87 01 10 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}

0x5F93B Option: Disabled, Value: 0x2 {09 0E C1 02 00 00 02 00 00 00 00 00 00 00}

0x5F949 Option: Enabled, Value: 0x1 {09 0E C0 02 00 00 01 00 00 00 00 00 00 00}

0x5F957 Option: Auto, Value: 0x0 {09 0E BE 02 30 00 00 00 00 00 00 00 00 00}

0x5F965 End of Options {29 02}

Do you know which values i should modify to disable the dGPU?

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Hi guys, i was thinking in buying an used FHD E7440 and looking for information about it, i found this forum which i think it's great!. But now, reading about how customizable the E6440 is, looks like a better option, but for me the FHD is a must (or a whim (: ), so ...

Anyone knows how i can recognize a second generation E6440?.

Second generation E6440 come only without expresscard? And first generation with and without?

Thinking in eGPU and FDH at the future, if my only option is a first generation E6440, the best option it's with dGPU or not? or it's a must? I ask this because reading komoornik post:

FHD IPS on E6440

Parts:

N23JF - discrete motherboard with EDP

THRH4 - EDP cable

K8X8M - lcd back cover EDP (was only comparing both back covers for a minute and did not see difference)

M1WHV - FHD lcd AUO AHVA

Funny thing there's no camera connector on motherboard with EDP.

"N23JF - discrete motherboard with EDP" What does discrete motherboard mean? Mean a motherboard without GPU? Ie needs dGPU?.

"Funny thing there's no camera connector on motherboard with EDP." Mean that second generation comes only without frontal camera?

And finally where can i buy this parts? I can´t find anything in google or ebay.

Thanks!

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Hi,

I own an E6440 (i5-4300M@2,6Ghz -no overclock- with iGPU) and I am very interested in the eGPU solution. I don't have an Expresscard slot but I am willing to do the upgrade as linked on page one of this thread.

I currently have BIOS version A11 installed.

Regarding the eGPU solution I would very much like to use the internal display (1600x900) of my laptop. How big of a performance drop can I expect or does it depend on the external graphics card I choose?

If there is a performance drop depending on the chosen graphics card: Do you have any recommendations/experiences as to what card would be optimal ie have the most performance with ~0% performance loss?

I found some nice benchmark comparisons here!

I currently plan on playing older games: Fallout 3, F3: New Vegas, Half-life2 and so on. In the beginning I'll get a cheap used graphics card to run the internal display but in the long run I might opt for an external instead.

Do you recommend one eGPU solution over the other?

Do you think I need to do anything with my BIOS (was it a bad move to install A11)?

Kind regards

Larmy

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Hi,

I own an E6440 (i5-4300M@2,6Ghz -no overclock- with iGPU) and I am very interested in the eGPU solution. I don't have an Expresscard slot but I am willing to do the upgrade as linked on page one of this thread.

I currently have BIOS version A11 installed.

Regarding the eGPU solution I would very much like to use the internal display (1600x900) of my laptop. How big of a performance drop can I expect or does it depend on the external graphics card I choose?

If there is a performance drop depending on the chosen graphics card: Do you have any recommendations/experiences as to what card would be optimal ie have the most performance with ~0% performance loss?

I found some nice benchmark comparisons here!

I currently plan on playing older games: Fallout 3, F3: New Vegas, Half-life2 and so on. In the beginning I'll get a cheap used graphics card to run the internal display but in the long run I might opt for an external instead.

Do you recommend one eGPU solution over the other?

Do you think I need to do anything with my BIOS (was it a bad move to install A11)?

Kind regards

Larmy

Hmm.. I've had glitches with the EXP GDC and PE4C V2.1 eGPU adapters when tested with my EC equipped Dell E6440. PE4C 2.1 fairing better with about 2 a day whereas EXP GDC would glitch at least once per hour. The workaround is to run the EC slot at Gen1 speed, which is half the bandwidth of Gen2. The best Gen2 capable eGPU adapter I tested was an older PE4L 2.1b whose scant features unfortunately make it far less user friendly than the other two.

If getting a PE4C 2.1 then running with the 220W Dell AC adapter will mean you can use a GTX560Ti, GTX750Ti, GTX670, GTX770 (maybe needs a bit of undervolting), GTX960, GTX970. Depending on your budget. I would not recommend an AMD solution simply because NVidia has been shown to perform mostly better AND has additional features like x1 pci-e compression and accelerated internal LCD mode. Not to mention the cards themselves extract significantly more performance per watt.

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Thank you very much for your reply Tech Inferno Fan! :)

Would I need to do any special tweaks to my system/BIOS if I bought the PE4C 2.1 as you mention?

I don't know if I'll have access to the Dell PSU here in Denmark/Europe but I'll give it a whirl.

Thank you very much for listing some compatible graphics cards - I was looking at a GTX660Ti for about ~$75 (500 danish kroner), but if I manage to find one of the cards you suggest I'll probably go for one of those :)

The "glitches" you refer to: what are those (BSOD or something more sinister)?

Thank you again and kind regards.

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http://www.pcekspert.com/clanak/samogradnja-egpu/?pg=4

On this link you can see differences in some benchmarks i made with e5430 and gtx 760 egpu. Loss was around 40% when comparing sinthetic benchmarks, but in games, due to much lower resolution of the internal screen, gameplay was smooth and had much higher fps.

Sent from my C1905 using Tapatalk

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Thank you darkydark :)

Am I correct in seeing that your internal display is 1366x768 and the external TV is 1920x1080?

It's really good to see that the game benchmarks are about the same in fps!

Final question (for now): Does your laptop support 5 Gbps through the Expresscard slot?

Kind regards

Larmy

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I've recently upgraded an e6440 dgpu version with an i7-4700MQ, but it can't go over 1600MHz, the CPU only get's around 17W TDP. It's the same with a 4800MQ. I've tried both in an iGPU version, both got a lot higher TDP limit. What to do now? Please help me!

Regards,

Soma

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I've recently upgraded an e6440 dgpu version with an i7-4700MQ, but it can't go over 1600MHz, the CPU only get's around 17W TDP. It's the same with a 4800MQ. I've tried both in an iGPU version, both got a lot higher TDP limit. What to do now? Please help me!

Regards,

Soma

Delete the CPU devices in your Device Manager. Then restart and allow Windows to PnP the devices. Ensure you have a battery attached then use Throttlestop to run a 32M bench and observe your highest multiplier when all 4 cores (8 threads) are active.

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      In this thread you can post your requests for Lenovo ThinkPad X240.
      If someone wants upgrade Wi-Fi card and remove whitelist, or unlock hidden advanced menus and settings in bios setup menu, or upgrade to new display (with brightness control), then you can post your request in this thread.
      Important!
      For creating your personal bios dump and to flash your bios mod, you must use any SPI programmer  (like CH341A programmer) and a SOIC8/SOP8 test clip!
       
      Just dump your Bios using any SPI programmer  (like CH341A programmer) and a SOIC8/SOP8 test clip, then post it in this thread or upload it to any fileserver and send me the link.
       
       

      CH341A programmer:
      https://www.ebay.com/itm/USB-Programmer-CH341A-Series-Burner-Chip-24-EEPROM-BIOS-Writer-25-SPI-Flash-AU/153117073868?epid=577511738&hash=item23a67d21cc:g:XKEAAOSw5UdbW-iL
       
      https://www.amazon.com/Parts-tower-CH341A-Programmer-Software/dp/B01FVVHCVC/ref=sr_1_4?ie=UTF8&qid=1522179315&sr=8-4&keywords=ch341a&dpID=51BO7eGgO5L&preST=_SY300_QL70_&dpSrc=srch
       
      SOIC8/SOP8 test clip:
      https://www.ebay.com/itm/Soic8-Sop8-Flash-Chip-Ic-Test-Clips-Socket-Adpter-Bios-24-25-93-Programmer/201414947737?hash=item2ee5443399:g:up8AAOSw1Fda8qkt
       
      https://www.amazon.ca/MAUSAN-Socket-Adapter-150MIL-205MIL/dp/B06ZYSNJF3/ref=pd_sbs_21_3?_encoding=UTF8&psc=1&refRID=XM79QJWGED6B4K2VEZDJ
       
      How to use it:
       
      Also, you can search on YouTube a lot of guide for CH341a.
    • By TheLoser1124
      Hello, A couple of days ago I got a new GPU but when I installed it into my computer I was unable to use it but now I know why. When checking the device manger I went into the events tab of my GPU when I went to view all events, I noticed an error it said " event 411 kernel PnP " and It also said Problem Status: 0xC01E0438. I believe this is why my GPU hasn't been working on my PC. If you know how to fix this problem or have info on how to fix this problem that would be greatly appreciated. I'm also using a EVGA NVIDIA GeForce GTX 1660.
    • By TheLoser1124
      I'm having a problem where my PC is saying my eGPU is not usable, its detected in the Device Manager and it doesn't have the yellow triangle next to it. I cant use it games and the Nvidia Control Panel doesn't recognize it either. I'm using a EVGA NVIDIA Geforce GTX 1660. I'm using windows 10 and I tried DDU and reinstalling them and now I cant access the nvidia control panel. The GPU is not recognize on any other apps and I went on *********** and was unable to find my answer, Any help on how to fix this problem would be greatly appreciated.
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