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In the early days of PCs, harddisks.
From: |
bart de troyer |
Subject: |
In the early days of PCs, harddisks. |
Date: |
Mon, 15 Apr 2002 21:49:46 +0200 (CEST) |
Unfortunately, there is no way to address large harddisks (more than 8GB to be
precise) with CHS addresses. The so called BIOS extensions must be used to
access large harddisks. Of course these BIOS extensions are available only for
new mainboards. These extended BIOS functions address harddisks simply with
block numbers (LBA, logical block address). As you will probably expect it,
most operating systems use the old CHS addressing methods in their early boot
phases.
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