4 ms·
Even the old cylinder/head/sector addressing almost never matched the real hard drive geometry, because the floppy-oriented BIOS CHS routines used a different n
by wtallis 5y ago
Even the old cylinder/head/sector addressing almost never matched the real hard drive geometry, because the floppy-oriented BIOS CHS routines used a different number of bits for each address component than ATA did, so translation was required even for hard drives with capacities in the hundreds of MB.