Change motherboard serial number

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Sorry for all the questions but maybe any answers will help others too. 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? That will help ID correct number to submit on a RMA request. Please note the letter the SN starts with. Any ideas on which is right?Īlso I upgraded my systemboard from a (dead) Radeon 9000 (T41) to FireGL 128 T2. Note: The serial number locations below are covered under the red bar. Is this correct? Also I've seen two opinions on what to enter before the serial number: either 1S or S1. Does one calculate the UUID and one enter it into the EEPROM? Any ideas? 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. ATUUIDAL.EXE, UUIDCALL.EXE, AUTOUUID.EXE must deal with UUID. and changing IC kitsSupport to read and write the iPhone Serial number. I'm guessing the SERUPDT.EXE (and not the older SERUPDT2.EXE) is the one to update the serial number. Required Hard Disk DFU Reading Writing Change Motherboard Serial Number for. There are a whole bunch of utilities on it with the latest date being. I made a boot 'disk' with the Thinkpad Hardware Maintenance Diskette version 1.74.