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31 lines
1.2 KiB
31 lines
1.2 KiB
Frequently-Asked Questions Release 61 Last Edit 16jul00
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Copyright 2000 Ralf Brown
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Have a frequently-asked question about interrupts or ports and its answer?
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Mail them to me for inclusion in this file (with credit to you).
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ralf@pobox.com
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---------------------------------------------
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Index:
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1. Is there an interrupt to get the BIOS serial number as shown on the
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power-up screen?
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Q1: Is there an interrupt to get the BIOS serial number as shown on the
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power-up screen?
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A: (Ralf Brown)
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There is no general way to get the serial number. In most cases, you
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need to know the proper offset in the BIOS image for that particular
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make, model, and revision of the BIOS (and that offset may not even
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be present in the real-mode image loaded into shadow RAM!).
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Further, with a flashable BIOS, it is quite likely that every single
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machine that has been updated with a downloadable upgrade from the
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Web will have identical serial numbers, assuming they weren't already
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identical as shipped from the factory with the original BIOS version.
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Because of this, the BIOS serial number is essentially useless for
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any identification purposes.
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End of File
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