Asus ESC2000 G2 - Manual (Page 186)

6-12 Chapter 6: Driver installation
4. Use the USB drive to provide the third-party driver during the OS installation. Type the
command brokenmodules=ahci in Boot Options field, and press <Enter>.
5. When below screen appears, select the USB floppy disk drive (sda) as the driver update
medium. Select OK, then press <Enter>.
Please choose the Driver Update medium.
sda: USB Floppy
other device
OK Back
6. Select Back and follow the onscreen instructions to finish the installation.