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1 answer
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When executing INT 10h on a bare metal, does each letter correspond to a 0-1 matrix?

If we call the INT 10h and set its parameters via assembly language, and then compile this code into a binary and write it into the boot sector of the floppy disk, we can output a string on the bare ...
da_miao_zi's user avatar
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1 answer
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Does '/boot/efi' locate in Memory as ROM

I learned from the book Computer Science: An Overview that boot loader resides on Memory In a general-purpose computer, a program called the boot loader is perma- nently stored in the machine’s ROM. ...
Alice's user avatar
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6 votes
2 answers
8k views

Boot Signature - BIOS

I understand that the BIOS is in ROM, and the manufacturer "typically" designs it to point to the first sector of the "active" storage device's first sector or CHS (0,0,1)*physical and CHS (0,0,0)*...
Jordan Davis's user avatar
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1 answer
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What defines the signature of a bootsector?

I've attempted to simplify the question, by getting at the gist of the problem: What exactly makes the "first sector" of a device the "bootsector?" Is the bootsector a logical sector, a physical ...
wazzy's user avatar
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