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Thread: Where Is the BIOS Chip?




  1. #1
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    Question Where Is the BIOS Chip?

    This is related to my other current post, "BIOS Flash Crash", but not directly so I thought I'd ask this question via a new thread.

    I have a Gigabyte GS-P35-DS3L Rev 1.0 motherboard. I am currently going through steps suggested in my other post re: recovering from a bad BIOS flash, but I suspect I am going to end up having to buy a new BIOS chip and hope that will solve my problem. If I get the currently installed BIOS chip working, then I'll just have a spare BIOS chip in case I ever need it.

    So my question is: Where the heck is the BIOS chip located on my motherboard? Granted, since my motherboard, having been in use since 2007, is installed in its computer case, I've had trouble sticking my head in there trying to see what's on the mobo. I've looked at the manual but on the mobo illustration, it doesn't point to an object and say "This is the BIOS chip". On the schematic, it shows how the different pieces relate to each other, but doesn't imply that those pieces are physically located as shown. Could someone please tell me where the BIOS chip is? Also, I am correct in thinking that the BIOS itself is an Award BIOS aren't I? (That little bit of information, after looking at the Gigabyte manual and their website, isn't as specific as I hoped it would be.) And, as stated in my other post, my computer doesn't POST after I flashed the BIOS so I can't read on the monitor screen who the BIOS manufacturer is.

    Thanks.

  2. #2
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    Default Re: Where Is the BIOS Chip?

    The attached photo shows the P35-DS3L bios chip location, in the red circle.
    Given the cost of a replacement chip and installation labor cost, your best bet would be to buy a low end EP45 mobo if you can't get your P35-DS3L working.

    Let us know how you make out.
    Good luck.

    **edit** The bios chip has 8 connections and all connections are soldered to the motherboard.

    Last edited by profJim; 04-24-2013 at 02:51 PM. Reason: added missing picture
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  3. #3
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    Default Re: Where Is the BIOS Chip?

    ProfJim -- Thanks for the reply; I never would have guessed that that was the BIOS chip. My thought in replacing it was, if the chip isn't soldered in, I would get a replacement chip from BIOSMAN.Com or the like for around $20 and pop it in myself. But it looks like it is soldered in.

    So plan 'B' is to replace the motherboard as you suggested, AND get a replacement chip for the old one. Then I'll try soldering the new chip in myself -- if I fail, there's no loss; if I succeed, I'll have a spare motherboard that I might buy parts for (memory, etc) as I run across them cheap and maybe have another system operating on that GA-P35-DS3L motherboard.

  4. #4
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    Default Re: Where Is the BIOS Chip?

    Most recent mobos use soldered bios chips.
    My P35-DS3L is excellent as my backup machine.
    It's not in the same league as the EP45 but it works well with recent 775 processors with the F9 bios.

    Let us know how you make out.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  5. #5
    Chike is offline Senior Member
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    Default Re: Where Is the BIOS Chip?

    Isn't your board still under warrenty?

  6. #6
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    Default Re: Where Is the BIOS Chip?

    thers also ways of shorting the bios chip by touching two or more contacts but i have no idea which ones you touch,pm lsdmeasap he will have better knowledge on clearing bios,and i would rma the board if its still under warranty
    Gigabyte ex58-ud5 f12 bios
    Intel i7 920 d0 @3.8ghz 24/7-normal cpu voltage 1.18750v/c1e/turbo/multi threading enabled
    Ocz reaper DDR3 PC3-14400 (1800MHz) 3x2gb (OCZ3RPR1800LV6GK) 8-8-8-24-1t-@1.64v-1.3qpi
    Thermolab Baram cpu cooler
    Dual Boot
    1xsamsung 750gb hard drive-win7 ultimate 64
    1xsamsung 750gb hard drive-windows xp pro 32
    Ati x1950 pro gpu
    Logitech X-530 5.1 Speakers
    1050w psu
    Nzxt lexa case
    http://i40.tinypic.com/2z3w377.jpg <=3.8ghz overclock template

  7. #7
    profJim's Avatar
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    Default Re: Where Is the BIOS Chip?

    Shorting the bios chip pins sometimes works with a true dual bios chip setup.
    The P35-DS3L has a single bios chip that uses a "dual virtual bios" and I don't think that this will work with a single chip setup.

    If successful, jumpering the correct pins on the MAIN_BIOS chip will copy the bios from the BACKUP_BIOS chip to the MAIN_BIOS chip.

    This procedure is used only as a last resort!! I have the link to Lsdme's bios trick thread or you can use the forum search function to find it. As I recall, the search term is bricked+dead.
    Last edited by profJim; 02-15-2010 at 08:25 PM. Reason: updated "search term"
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  8. #8
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    Default Re: Where Is the BIOS Chip?

    Again, thanks to all for you inputs and suggestions.

    Chike -- it's funny about the warranty on this motherboard; I can't find a warranty statement anywhere in either the User's Manual or the Gigabyte website. Searching on the GA-P35-DS3L via Google, I see references to "1-year" warranties, "2-year" warranties, and "3-year" warranties. If the board actually is covered for 3 years, then mine may still be under warranty. But even if it is, do you think Gigabyte will fix it under warranty even if it was my action that rendered it inoperable? (I do kinda feel like I'm not fully to blame since I followed the instructions for flashing the BIOS, but that's another story. Also, I used Q-Flash, but I may have used the routine embedded within the compressed BIOS update I downloaded had anything been mentioned about it on the download page. Though it's strange that, after making a bootable floppy disk, there isn't enough room left on a 1.44mb disk to add the flash routine much less add the new BIOS file.)

    I don't see very much on the internet about replacing BIOS chips if they are soldered in. Is it pretty much accepted that soldered in BIOS chips just aren't replaceable?

    And ProfJim, I liked your suggestion of replacing my mobo with something along the line of an EP45 but I am not sure all the parts on my P35 will transfer over (from the Core2 Duo CPU to my 4GB of Crucial Ballastix RAM), and I would have to use up at least one PCI slot to install a combo parallel/serial board to provide those 2 I/O ports -- I still use these older technologies to support use of a LaserJet 5L (parallel interface) and an old CalComp graphics tablet with a serial interface. One of each of these ports came built onto the P35-DS3L. To be honest, until I tried to update its BIOS, I liked my P35 motherboard. So what I am now planning to do is find another GA-P35-DS3L for sale and try to buy it. There are a couple of new ones on eBay but they're asking what I think is too much for them ($90), and one "refurbished" one which I also think is overpriced ($72). Each seller of the ones I was looking at had a "Make an Offer" option, but my offers of $75 for the new ones, and $60 for the refurbished one were rejected. Does anyone know of a good source for discontinued motherboards, preferably new ones? Do you think $90 is a good price for a new "discontinued" GA-P35-DS3L?

  9. #9
    Chike is offline Senior Member
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    Default Re: Where Is the BIOS Chip?

    Gigabyte does recommend not to flash BIOS unles you experiance problems, but it is a recommendation. You used GB provided tools to flash.
    I'd try and get RMA, there's nothing to lose.

  10. #10
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    Default Re: Where Is the BIOS Chip?

    Chike - I decided you're right; I may as well go ahead and see if Gigabyte will give me an RMA. I looked up my paperwork and I bought this mobo in September 2007 so it should still be under warranty if the warranty is for 3-years. I don't look forward to having to wait several weeks for this to all transpire, but my system has been out of service for several weeks now already -- this all started with me trying to rid my computer of a tenacious malware or virus it picked up. I'll start the RMA process tomorrow.

    On a side note: Is there some place where all of my computer specs can be saved as a "post" signature or do I have to copy it from a previous post every time? Also, once in the body of a post reply, is there anyway to indent just the first line of a paragraph? The indent function in the tool bar indents everything from that line on; I like to indent the first line of my paragraphs, but not the whole paragraph.
    __________
    There are 10 kinds of people in this world; those who understand binary and those who don't.

    Motherboard: GA-P35-DS3L Rev 1.0 S-Series
    LGA 775, Intel P35
    ATX Intel Motherboard

    Power Supply: Antec EarthWatts Model EA-500,
    500 Watts Max

    CPU: Intel Core2 Duo E6320 LGA 775
    1.86GHz, 4mb L2 cache, 1066 MHz FSB

    Memory: 4 sticks, 1GB each of Crucial
    Ballistix BL12864AA804.16FD3
    240-pin unbuffered DIMM 128MX64 DDR2
    PC2-6400 CL4 EPP

    Graphics: PNY-Verto GeForce 8500 GT
    512mb DDR2 PCI Express

    SCSI Adapter: Adaptec AHA-2940/2940W PCI
    SCSI Controller

    Hard Drive 1: Maxtor Diamondmax 20, 160GB, NTFS,
    8mb cache, 7200 RPM, SATA II/300

    Hard Drive 2: Western Digital WD Caviar SE WD1600,
    1600GB SATA, NTFS, PN=WD1600JS-00MHB0

    Hard Drive 3: Western Digital WD Caviar EIDE, 80GB, NTFS,
    with Rosewill RC-204 IDE-to-SATA mini
    Vertical Bridge installed

    CD/DVD: MadDog Lightscribe Multimedia Internal DVD-RW,
    Model MD18XTL1 (TSSTcorp CD/DVDW SH-S182M)

    CD: LG CD-RW CED-8120B

    Floppy +
    Card Reader: ULTRA All-in-One USB2.0 internal Digital
    Media Reader, No. 348479355B
    (NOTE - floppy drive connects to mobo's
    FDD plug.)

    OS: WinXP Pro SP3 (build 2600)

    Case: Antec Sonata III

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