Chapter 8 BIOS ROM
Compaq Deskpro 4000 and 6000 Personal Computers
featuring the Pentium II Processor
First Edition – October 1997
8-12
8.4.3 DRIVE FAULT PREDICTION
The Compaq BIOS provides direct Drive Fault Prediction support for IDE-type hard drives. This
feature is provided through two BIOS calls. Function INT 15, AX=E817h is used to retrieve a
512-byte block of drive attribute data while the INT 15, AX=E81Bh is used to retrieve the drive’s
warranty threshold data. If data is returned indicating possible failure then the following
message is displayed:
“1720-Intellisafe Hard Drive detects imminent failure”
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