Acer Laptop with Phoenix BIOS: BIOS MOD Request

Discussion in 'Acer' started by kizwan, May 3, 2010.

Thread Status:
Not open for further replies.
  1. kizwan

    kizwan Lord Pringles

    Reputations:
    1,500
    Messages:
    3,229
    Likes Received:
    5
    Trophy Points:
    106
    Your notebook have Phoenix BIOS. So, I can mod it for you. For the meantime, make sure your notebook can recover corrupted BIOS with CRISIS disk.
     
  2. Funkaddict

    Funkaddict Notebook Enthusiast

    Reputations:
    0
    Messages:
    18
    Likes Received:
    0
    Trophy Points:
    5
    Thanks for the reply, kizwan. The CPU is a Core 2 Duo P7350 2.0Ghz, 1066 FSB Penryn-3M.
    I use Win7 x64. I'm afraid the CPU might not support VT even if the menu appears in BIOS, right? But shouldn't all Acer Aspire 5738G come with the same CPU? I'm confused.
    Yes I powered it off & on.

    Thank you for your time!
     
  3. kizwan

    kizwan Lord Pringles

    Reputations:
    1,500
    Messages:
    3,229
    Likes Received:
    5
    Trophy Points:
    106
    Thank you. This is good news to me to. Now I can compare v1.16 with v1.27. I hope I can detect where they put CPU Microcode update.

    i7 dual-core processor usually get underestimated. People tend to get confused it with i7 quad-core processor by saying all i7 processor run very hot. i7 quad-core processor have higher Max TDP which is 10W more than i7 dual-core processor, that is why it will run a little bit hotter. However, i7 dual-core processor have similar Max TDP with i5 processor, so it doesn't make sense it will run hotter. Also for people who upgrading from i3 or i5 to i7 dual-core processor, they still get the same battery life. So, there is nothing to loose & it worth to pay for.

    Basically, I think you made a good choice. i7-640m have higher frequency than i7-620m. The performance increase does noticable. :)
     
  4. kizwan

    kizwan Lord Pringles

    Reputations:
    1,500
    Messages:
    3,229
    Likes Received:
    5
    Trophy Points:
    106
    Intel Core 2 Duo Processor P7350 doesn't support Virtualization. This is the list of processor use by Aspire 5738 series notebooks:-
    ModelProcessors
    Aspire 5738GIntel® Core™2 Duo Mobile Processor P7450
    (2.13GHz), T6400 and T6600 (2.2GHz)
    Aspire 5738ZGIntel® Core™2 Duo Mobile Processor T4200
    (2.0 GHz)
    Aspire 5738ZIntel® Core™2 Duo Mobile Processor T4200
    (2.0 GHz)
    Aspire 5738Intel® Core™2 Duo Mobile Processor T6400
    However, this list was taken from outdated service manual. So, the list is not up to date. I believe there is another batch of Aspire 5738G which is not listed in the service manual, have Virtualization capable processor. This show you that not all Aspire 5738G have the same processor. The availability of Virtualization option in BIOS also show that Acer does recognized people who like to upgrade their processor & try to give their best support. :)
     
    Lasted edited by : May 7, 2015
  5. kizwan

    kizwan Lord Pringles

    Reputations:
    1,500
    Messages:
    3,229
    Likes Received:
    5
    Trophy Points:
    106
    I found CPU Microcode update in Aspire 7740/7740G's BIOS v1.27.

    Two of them:-
    I7-620M - CPUID 020652h
    [​IMG]

    I7-720QM - CPUID 0106E5h
    [​IMG]

    First 28 bytes Microcode Update Field Definitions
    (Source: Intel® 64 and IA-32 Architectures Software Developer's Manual Vol 3a)
    Field NameOffset
    (bytes)
    Length
    (bytes)
    Description
    Header Version04Version number of the update header.
    Update Revision44Unique version number for the update, the basis for the
    update signature provided by the processor to indicate
    the current update functioning within the processor.
    Used by the BIOS to authenticate the update and verify
    that the processor loads successfully. The value in this
    field cannot be used for processor stepping identification
    alone. This is a signed 32-bit number.
    Date84Date of the update creation in binary format: mmddyyyy
    (e.g. 07/18/98 is 07181998H).
    Processor
    Signature
    124Extended family, extended model, type, family, model,
    and stepping of processor that requires this particular
    update revision (e.g., 00000650H). Each microcode
    update is designed specifically for a given extended
    family, extended model, type, family, model, and stepping
    of the processor.
    The BIOS uses the processor signature field in
    conjunction with the CPUID instruction to determine
    whether or not an update is appropriate to load on a
    processor. The information encoded within this field
    exactly corresponds to the bit representations returned
    by the CPUID instruction.
    Checksum164Checksum of Update Data and Header. Used to verify the
    integrity of the update header and data. Checksum is
    correct when the summation of all the DWORDs (including
    the extended Processor Signature Table) that comprise
    the microcode update result in 00000000H.
    Loader Revision204Version number of the loader program needed to
    correctly load this update. The initial version is
    00000001H.
    Processor Flags244Platform type information is encoded in the lower 8 bits
    of this 4-byte field. Each bit represents a particular
    platform type for a given CPUID. The BIOS uses the
    processor flags field in conjunction with the platform Id
    bits in MSR (17H) to determine whether or not an update
    is appropriate to load on a processor. Multiple bits may be
    set representing support for multiple platform IDs.
     
    Lasted edited by : May 7, 2015
  6. kizwan

    kizwan Lord Pringles

    Reputations:
    1,500
    Messages:
    3,229
    Likes Received:
    5
    Trophy Points:
    106
    Good news! Now I know how to add CPU Microcode update. If you're interested to try, please let me know. Keep in mind, this is experimental. So, make sure your notebook can recover corrupted BIOS with CRISIS disk.
     
  7. kizwan

    kizwan Lord Pringles

    Reputations:
    1,500
    Messages:
    3,229
    Likes Received:
    5
    Trophy Points:
    106
    Just a reminder. I didn't forget your request. Will working on it. :)
     
  8. Blackwolf14

    Blackwolf14 Newbie

    Reputations:
    0
    Messages:
    9
    Likes Received:
    0
    Trophy Points:
    5
    Thanks for your interest. :)
     
  9. ring69

    ring69 Notebook Enthusiast

    Reputations:
    0
    Messages:
    21
    Likes Received:
    0
    Trophy Points:
    5
    kizwan, que bios dos soport D2D, and i have the crisik disck for this laptop. from the firmware 1.06
    Or do i need to try it out ? i am bit afraid that i accidently flash my bios xD
    Is there a way to control the fan speed ? LOL please send me a picture of what you have unlock xD
    In a way i am a bit scar of flashing my bios, but there are some stuff that i wanted to turn off LOL
     
  10. dioskey

    dioskey Notebook Enthusiast

    Reputations:
    0
    Messages:
    17
    Likes Received:
    0
    Trophy Points:
    5

    Yes, flashed! No problems and it's newer... :)

    I only don't know some parameters... can you help?

    Here are:
    T States
    HARD/DEEP C4
    PROCHOT
    & in PENRYN menù.... what means TBD (to be done?)... is an incomplete option?

    Is there somewhere a descriptio of all possible bios options??

    Thanks again!
     

Thread Status:
Not open for further replies.

Share This Page