We purchase some of our systems (desktops mainly) through a small third-party OEM. They don't include serial number, manufacturer info., etc. In the BIOS however and this makes it difficult for systems monitoring and inventorying software to distinguish one system from another - especially if we do a clean wipe on the system. MAC addresses are semi-reliable, but not truly unique. I'd like to add some info. There are three numbers associated with each Intel motherboard: a model number, a version number and a serial number. You may need these numbers if you want to update the drivers on your motherboard, get technical support or identify the exact specifications of your system. To get the serial number from a computer run the following PowerShell command: gwmi win32_bios| fl SerialNumber To get more information e.g. Bios version and manufacturer just run: gwmi win32_bios. Get computer serial number and other info with PowerShell. - such as manufacturer and serial number / asset tag into the bios (there are fields for it), but I can't edit it through the normal BIOS menu. Any idea on how this can be accomplished? You can try using IPMI commands to write the relevant information into the VPD but good luck finding out exactly where you need to write. That's likely information specific to the particular motherboard model. I just needed to figure this out for my own purposes;) You should be able to use either: ipmitool fru edit/read/write. Or flshupdt () to update the FRU data. However, your statement: MAC addresses are semi-reliable, but not truly unique is incorrect - MAC addresses should be, by definition, unique. That would be an appropriate value to key off for inventory purposes. 1.69 WILL NOT work with any ThinkPad above a T30! Version 1.69 is available FREE from IBM's FTP site (if it is still there). What the link above could point to is V 1.72 made to look like it is 1.69!!! If the image is in ZIP format, you have to unzip the file and run the exe; this will prompt you to create a DISKETTE. You need a Floppy and a floppy drive before you can run the utility. If this is really version 1.69 it will let you get to all the steps, but when it writes to the EEPROM with the new information it will error out. Also there are prefixes that must be entered for the data to be valid. Draco2527 wrote:1.69 WILL NOT work with any ThinkPad above a T30! Version 1.69 is available FREE from IBM's FTP site (if it is still there). If you look at the thread I posted above, the OP Christian was able to use 1.69 successfully on a T40. ![]() He gives the procedure in the link. He wrote: 'you have to type S1 in front of the type/serial number'. I also posted a link to 1.69 above. Yes, I read the posting! I guess we will see what happens when he runs it, it should come up with a red box stating that an error occured. I'm going to have to use the disk utilities to put the serial number in my T41 after a motherboard replacement. I don't have a USB floppy and my son told me about an alternative. I took my '9 IN 1' memory card reader and writer and put in a MMC card. I used the IBM utility to make a Flash diskette. Then I copied all the files to my desktop except the 3 DOS system files: Command.com and IBMIO.com and IBMDOS.com. Then I made a DOS boot diskette under XP. Then I used this program: to format the MMC card and make it into a DOS bootable drive. You refer to the floppy you just formatted to get the DOS system files. Then I copied all the IBM files except the DOS system ones to the MMC card. Then I tried it out on my thinkpad and it booted perfectly. This should work for a Flash Diskette and a Maintenance Diskette. KillaByte wrote:@draco2527: The HMD v1.69 *will* work with T42 ThinkPads if all you want to do is to update the serial number. I would however not try the testing routines etc. I guess the error message you were referring to is the one that pops up if you forgot to disable the write-protection of the EEPROM by pressing the ESC key at boot-time when you see the IBM logo on the screen. I've posted about the whole serial update process a while ago here: I am aware of the ESC issue! Problem solved! I have version 1.62!!!!!FK.another sign that I am getting OLD! Sorry for any confusion I caused. I just looked at the media, I have version 1.62 ( I obtained this from IBM, when I used to repair ThinkPads), since I could not get the thing to work on the T4X series I busted my a*s to get version 1.72 So I have V 1.62 and V 1.72 NOT version 1.69!!!! Anyways, up to what version of the HMD are they now? I made a boot 'disk' with the Thinkpad Hardware Maintenance Diskette version 1.74. There are a whole bunch of utilities on it with the latest date being 3/30/2005. I'm guessing the SERUPDT.EXE (and not the older SERUPDT2.EXE) is the one to update the serial number. ATUUIDAL.EXE, UUIDCALL.EXE, AUTOUUID.EXE must deal with UUID. Does one calculate the UUID and one enter it into the EEPROM? IDCSUMAL.EXE & SCIACSUM.COM seem to refer to check sums, has anybody any idea when and if they need to be used? I've read on the forums that you have to press ESC while the 'IBM Access' screen is on to allow EEPROM writes. Is this correct? Also I've seen two opinions on what to enter before the serial number: either 1S or S1. Any ideas on which is right? Also I upgraded my systemboard from a (dead) Radeon 9000 (T41) to FireGL 128 T2. If I enter in the old serial number will the IBM upgrade software assume my thinkpad has the 9000 or will it detect the FireGL? Sorry for all the questions but maybe any answers will help others too. Thanks, Lloyd. Kerensa wrote:I made the disk from the 1.69 download and booted from it. I pressed ESC when the logo appeared, but when I select to update the serial number (option 1). I get the message that the “EEPROM is locked”. Pokemon xy game for computer. Any suggestions would be helpful. Would a newer version make any difference with this? Thank you ** got it, seemed the timing for hitting ESC was tricky for me. THANK YOU FOR THAT LAST LINE UPDATE I wasted lots of time, but stuck with it because of what you said. For those that follow in my steps - Boot the computer with the USB floppy drive set to the first boot device. Press AND hold the Esc key the second you see the normal boot screen with the IBM logo. If successful you will see various DOS style commands scroll before you. When the Hardware Maintenance Diskette starts, option one will now work and not say that the BIOS is locked. All the best. Old version Old version New version Please pay attention to the first three (3) characters of the system ID Please pay attention to the first five (5) characters of the system ID Please pay attention to the first 4-6 characters of the S/N. The following 3-4 numbers defined the model variant. ![]() Asus Motherboard Serial Number LocationThe first 3 characters in this example are “S56”. In this case the model is a SS56. The first 5 characters in this example are “SN95G5”. In this case the model is a SN95G5. The XH310/XH310V has the same first characters, but the front cover has two variants. This is how you find the name of the XPC complete system model. Does anybody know how to set the new Machine Type and Serial Number after a motherboard replacement for an H535? Hp Bios Serial Number ChangeAfter a great deal of frustration and time, I was finally able to obtain a replacement motherboard from Lenovo. I have now installed the motherboard, and it is working. However, upon every boot-up I am getting a POST error with two beeps that reads as follows: Error 00CE: Machine Type and Serial Number are INVALID Manufacturing Boot Sequence will be taken if no selection is made I presume the BIOS on the new motherboard needs to be programmed with the correct Machine Type and Serial Number from my computer.
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