HP ProBook 4520s HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Page 125
Select, To do this, Select a SATA Serial Advanced Technology Attachment
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Select Device Configurations To do this ● Enable/disable USB legacy support (enabled by default). When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running. ◦ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer. ● Select a parallel port mode: ECP (Enhanced Capabilities Port), standard, bidirectional, or EPP (Enhanced Parallel Port). ● Enable/disable fan always on while connected to an AC outlet (enabled by default). ● Enable/disable Data Execution Prevention (select models only). When enabled, the processor can disable some virus code execution, which helps to improve computer security (enabled by default). ● Select a SATA (Serial Advanced Technology Attachment) device mode. The following options are available: ◦ AHCI (Advanced Host Controller Interface) ◦ IDE (Integrated Drive Electronics) ◦ RAID (Redundant Array of Independent Disks) (select models only) Computer Setup 117