Agilent Technologies E4991A Service Manual page 208

Troubleshooting
To Configure the A20 Digital Motherboard and BIOS (for serial prefix JP1KH,
JP2KH, and MY432)
Auto-Detect Hard Disks
Auto-Detect Hard Disks options are displayed by choosing "Auto-Detect Hard Disks"
 
using , keys and hit key at the BIOS setup utility main menu. Then Figure
[ ] [ ] [Enter]
4-42 is displayed. You can find A27 mass storage (hard disk or flash disk) drive parameters
for IDE1 drive connected to the primary channel installed in the A20 Digital Motherboard.
If you doubt the mass storage doesn't work properly, make sure that the E4991A system
detects the mass storage correctly using this option.
Figure 4-42 AUTO-DETECT HARD DISK SETUP Page
208 Chapter 4