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Accessing the hp uefi system utilities – HP Unified Extensible Firmware Interface User Manual

Page 9

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Table 3 Comparison of UEFI versus Legacy BIOS (continued)

Legacy BIOS

UEFI

Characteristic

Legacy BIOS-based systems is an
OEM responsibility.

The ACPI spec is maintained by the
UEFI forum, ensuring that
UEFI-compliant systems are
ACPI-compliant.

Pre-boot video displays in text mode
only. Requires INT10h and video
BIOS after boot.

Pre-boot video functions available
using Graphics Output Protocol
(GOP). Video renders in full
graphics mode.

Video support

Specified in x86 real mode code
located in the boot partition of

Specified as a file/path name on a
storage device. Multiple boot loader

Storage support

master boot record (MBR). BIOS

files can co-exist on a

service INT 19h initiates the

sector/device, letting you specify

bootstrap loader sequence. Only

which loader through the Boot
Device Selection service.

one boot loader per device is
allowed.

Accessing the HP UEFI System Utilities

To access the HP UEFI System Utilities:
1.

Reboot the server. The server starts up and the HP ProLiant POST screen appears within a few
minutes.

2.

Press F9 in the HP ProLiant POST screen. The System Utilities screen appears.

Figure 1 HP ProLiant POST screen

Accessing the HP UEFI System Utilities

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