Compaq dc5850 Service Reference Guide: HP Compaq dc5850 Business PC - Page 27

Recovering the Configuration Settings, command with the Computer Setup F10 Utility. See

Page 27 highlights

Table 2-6 Computer Setup-Advanced (for advanced users) (continued) download a corporate image to a hard drive. The NIC option ROM takes up memory space below 1MB commonly referred to as DOS Compatibility Hole (DCH) space. This space is limited. This F10 option will allow users to disable the downloading of this embedded NIC option ROM thus giving more DCH space for additional PCI cards which may need option ROM space. The default will be to have the NIC option-ROM-enabled. ● SATA RAID Option ROM Download (enable/disable). The BIOS contains an embedded SATA RAID option ROM to for RAID support. This can be temporarily disabled to save DCH space. Note that with the option ROM disabled, users will be unable to use boot to hard drives in the system while running in RAID mode. ● HPET (enable/disable). The HPET (high precision event timer) can be disabled in the event that it causes a resource conflict in the OS. Recovering the Configuration Settings This method of recovery requires that you first perform the Save to Removable Media command with the Computer Setup (F10) Utility before Restore is needed. (See Save to Removable Media on page 5 in the Computer Setup-File table.) NOTE: It is recommended that you save any modified computer configuration settings to a diskette, a USB flash media device, or a diskette-like device (a storage device set to emulate a diskette drive) and save the diskette or device for possible future use. To restore the configuration, insert the diskette, USB flash media device, or other storage media emulating a diskette with the saved configuration and perform the Restore from Removable Media command with the Computer Setup (F10) Utility. (See Restore from Removable Media on page 5 in the Computer Setup-File table.) Recovering the Configuration Settings 15

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download a corporate image to a hard drive. The NIC option ROM takes up memory space
below 1MB commonly referred to as DOS Compatibility Hole (DCH) space. This space is
limited. This F10 option will allow users to disable the downloading of this embedded NIC option
ROM thus giving more DCH space for additional PCI cards which may need option ROM space.
The default will be to have the NIC option-ROM-enabled.
SATA RAID Option ROM Download (enable/disable). The BIOS contains an embedded SATA
RAID option ROM to for RAID support. This can be temporarily disabled to save DCH space.
Note that with the option ROM disabled, users will be unable to use boot to hard drives in the
system while running in RAID mode.
HPET (enable/disable). The HPET (high precision event timer) can be disabled in the event
that it causes a resource conflict in the OS.
Recovering the Configuration Settings
This method of recovery requires that you first perform the
Save to Removable Media
command with
the Computer Setup (F10) Utility before
Restore
is needed. (See
Save to Removable Media
on page
5
in the Computer Setup—File table.)
NOTE:
It is recommended that you save any modified computer configuration settings to a diskette,
a USB flash media device, or a diskette-like device (a storage device set to emulate a diskette drive)
and save the diskette or device for possible future use.
To restore the configuration, insert the diskette, USB flash media device, or other storage media
emulating a diskette with the saved configuration and perform the
Restore from Removable Media
command with the Computer Setup (F10) Utility. (See
Restore from Removable Media
on page
5
in the
Computer Setup—File table.)
Table 2-6
Computer Setup—Advanced (for advanced users) (continued)
Recovering the Configuration Settings
15