anauta
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Hi, Thanks for the updated vbios! Unfortunately, on my system, the 750M appears not to be unlocked (still the +135 MHz GPU speed limit applies). The flashing went fine (I ignored the message about wrong PCI subsystem, and flashed with nvflash -i1 -r, followed by nvflash -i1 -6 newrom.rom). Could you have a look at that please? Thanks and greetings, Auke Nauta
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Sorry, did not see that... Great news indeed!
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Dear svl7, What if we extract the 'nVidia updated' VBIOS from the Y5x0 main bios and flash it to the ultrabay GPU? Could this work? Greetings, Auke Nauta
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Hi svl7, The size of the ROM image is perfectly fine (95744 bytes), see the output of the command below: >nvflash -i1 --pciblocks NVIDIA Firmware Update Utility (Version 5.142) Adapter: GeForce GT 750M (10DE,0FE4,17AA,3802) H:--:NRM B:02,PCI,D:00,F:00 The display may go *BLANK* on and off for up to 10 seconds during access to the EEPROM depending on your display adapter and output device. Identifying EEPROM... EEPROM ID (C2,2012) : MX MX25L2005 2.7-3.6V 2048Kx1S, page Reading adapter firmware image... Location Size Type 000000:0175FF 95744 x86 Still, nvflash won't flash it... The previous ROM is of the exact same size, yet it flashes fine. Strange! Greetings, Auke
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Hi, No, you don'y need to go back to stock v2.02. When you changed over to the modded v2.02, you created a backup of your stock v2.02. This file can be used to create you personal v2.04 modded BIOS. This worked fine for me. Greetings, Auke
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Hm. Like vito357si, I also get this error while trying to flash the ultrabay GT750M card: ERROR: PCI Block corrupted - size mismatch Have tried with both the latest versions of nvflash for DOS and Windows (v5.136 and v5.142 respectively). The previous FW (80.07.95.00.17 - OC) flashes without problems, the new one does not Greetings, Auke
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Hi, My update went fine too (just flashed the latest, corrected v2.04 modded BIOS). However, similar to another user a few pages back, I cannot flash version 80.07.9D.00.11 on my ultrabay GT750M card, using the latest nvflash utilities (either DOS or Windows). It keeps saying 'ERROR: PCI Block corrupted - size mismatch' The previous version 80.07.95.00.17 flashes just fine. Seems quite weird to me, but not really a problem as the ultrabay card is functioning fine as it is (MODIFIED). Greetings, Auke
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Just performed the upgrade. I used my original v2.02 (stock) backup file for your BiosFixer_2.0.exe utility. It created the v204mod.bin file just fine. Flashing from DOS worked fine too The only thing which is a bit strange is that in the BIOS setup, it still says v2.02. Is that as intended? Thanks and greetings, Auke
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Hi, Do I need to go to stock v2.02 BIOS first, or can I go from modded v2.02 to modded v2.04? Greetings, Auke Nauta
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Hi, Just for fun I overclocked both my GT750M cards, clock +150 MHz, and memory +350 MHz. (nVidia 320.20 beta driver) The 3DMARK 11 score was ......... 5008 See NVIDIA GeForce GT 750M video card benchmark result - Intel Core i7-3630QM Processor,LENOVO INVALID score: P5008 3DMarks
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I took some pictures of the latest v2.02 modified BIOS. Perhaps they are useful for some of you... Greetings, Auke Nauta
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Oh and for the record: I like the speed of Windows 8. It is a lot snappier than Windows 7. Also, as a developer, I am beginning to enjoy programming in C++/CX for creating Windows 8 apps (Visual Studio 2012).
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After reinstating the "proper" start button (StartIsBack) I am perfectly happy with Windows 8 and will not look back. (even though I don't care much for the flat looking windows)
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Hi, Will be using my SLI GT750M machine at home, work and for travel. Will I need 3 170W power adapters? Or will 120W be fine as long as I do not use the video cards extensively (I will not do gaming, just image processing stuff).
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Hi, I just received my SLI GT750M Y500 machine. It seems to run fine although the CPU throttles down when the video cards are used heavily. Anything to be done about that?