The information contained herein is subject to
change without notice. The only warranties for
HP products and services are set forth in the
express warranty statements accompanying
such products and services. Nothing herein
should be construed as constituting an
additional warranty. HP shall not be liable for
technical or editorial errors or omissions
contained herein.
Not all features are available in all editions of
Windows. This computer may require upgraded
and/or separately purchased hardware, drivers,
and/or software to take full advantage of
Windows functionality. See
http://www.microsoft.com for details.
ENERGY STAR is a registered trademark owned
by the U.S. Environmental Protection Agency
(EPA).
Intel, Core, Pentium, and Xeon are trademarks
are trademarks of Intel Corporation in the U.S.
and other countries.
Microsoft and Windows are either registered
trademarks or trademarks of Microsoft
Corporation in the United States and/or other
countries.
NVIDIA and the NVIDIA logo are trademarks
and/or registered trademarks of NVIDIA
Corporation in the U.S. and other countries.
About this guide
This guide provides service and maintenance information, technical details, and conguration guidance for
your workstations.
IMPORTANT: Removal and replacement procedures are now available in videos on the HP website.
Go to http://www.hp.com/go/sml.
Hardware overview on page 1
System management on page 10
Component replacement information and guidelines on page 35
Diagnostics and troubleshooting on page 48
Conguring password security and resetting CMOS on page 70
Conguring RAID devices on page 76
System board designators on page 80
NOTE: View the HP Workstation User Guide for your workstation at http://www.hp.com/support/
HP Z238 Workstation components ....................................................................................................................... 2
Front panel .......................................................................................................................................... 2
2 System management ................................................................................................................................... 10
Power management and performance features ................................................................................................. 10
BIOS ROM ............................................................................................................................................................. 11
HP SoftPaq Download Manager ........................................................................................................ 26
System Software Manager ................................................................................................................ 26
ROM Flash .......................................................................................................................................... 26
Remote ROM Flash .......................................................................................................... 26
Programmable power button (Windows only) .................................................................................. 34
Changing the power button conguration (Windows only) ........................................... 34
3 Component replacement information and guidelines ...................................................................................... 35
Warnings and cautions ........................................................................................................................................ 36
Service considerations ......................................................................................................................................... 36
Tools and software requirements ..................................................................................................... 36
Electrostatic discharge (ESD) information ........................................................................................ 37
DIMM installation order .................................................................................................. 45
Power supply ..................................................................................................................................... 46
Power supply specications ........................................................................................... 46
Power consumption and heat dissipation ...................................................................... 46
Resetting the power supply ............................................................................................ 46
System board .................................................................................................................................... 47
System cabling ................................................................................................................ 47
4 Diagnostics and troubleshooting .................................................................................................................. 48
Contacting support .............................................................................................................................................. 48
Locating ID labels ................................................................................................................................................ 49
Locating warranty information ........................................................................................................................... 49
HP troubleshooting resources and tools ............................................................................................................. 51
Online support ................................................................................................................................... 51
HP Support Center .......................................................................................................... 51
HP Chat Support .............................................................................................................. 51
Customer Advisories, Customer and Security Bulletins, and Customer Notices ........... 51
Solving power supply problems ........................................................................................................ 60
Testing power supply ...................................................................................................... 60
Using HP PC Hardware Diagnostics (UEFI) ........................................................................................................... 61
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................. 61
POST error messages and diagnostic front panel LEDs and audible codes ....................................................... 62
POST numeric codes and text messages .......................................................................................... 63
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 68
5 Conguring password security and resetting CMOS ........................................................................................ 70
Preparing to congure passwords ...................................................................................................................... 70
Resetting the password jumper .......................................................................................................................... 70
Clearing and resetting the BIOS ........................................................................................................................... 71
Appendix A Linux technical notes .................................................................................................................... 73
System RAM ......................................................................................................................................................... 73
Appendix C System board designators ............................................................................................................. 80
System board designators ................................................................................................................................... 80
Index ............................................................................................................................................................. 82
viii
1Hardware overview
This chapter presents an overview of workstation hardware components.
Topics
HP Z238 Workstation components on page 2
Product specications on page 8
Ensuring proper ventilation on page 9
1
HP Z238 Workstation components
This section describes the HP Z238 Workstation components.
For complete and current information on supported accessories and components for the computer, see
NOTE: The labels for the rear panel connectors use industry-standard icons and colors.
NOTE:
ports are disabled by default.
NOTE:
Computer (F10) Setup Utility. However, HP recommends using only discrete graphics cards when attaching three or more displays.
The DP ports are not supported when the system is congured with Intel Xeon® E3-12x0 v5 processors. Also, if a discrete graphics card is installed these
Simultaneous usage of integrated Intel HD graphics and discrete graphics cards (in order to drive more than two displays) can be enabled using the
Dual-Mode Display Port (DP) connectors
(3)
7
9Audio line-out connector (green)
RJ-45 network connector
HP Z238 Workstation components3
Chassis components
The following gure shows the chassis components of a typical workstation layout. Drive congurations can
vary.
ItemDescriptionItemDescription
1Power supply5Chassis
2Side access panel6Slim optical drive
3Cooler/heat sink7Hard drive
4System board8Front bezel
4Chapter 1 Hardware overview
System board components
The following illustration and table identify the system board components for the workstation.
I/OSATAPower
1DisplayPort (dual)15AHCI 6Gb/s23Battery
2DisplayPort (single)PCI/PCIe24Processor power
3Front audio16PCIe3 x1625Front power button/LED
4Front speaker17PCIe3 x126Main power
5Front USB 2.018PCIe3 x127Power COMM
6Front USB 3.019PCIe3 x16 (4)28SATA power
7Internal USB 2.020Z turbo drive LED (E19)Security
8Internal USB 3.0NOTE: For related expansion card
slot information, see Expansion slots
on page 41
9Keyboard/mouseCooling30Hood sensor
10Network/rear USB 3.021Processor fanService
11Rear audio22Rear fan31Clear CMOS button
12Rear USB 3.032ME/AMT ash override
13Serial33Password jumper
14Header for serial adapter
29Chassis solenoid lock
HP Z238 Workstation components5
System board architecture
NOTE: The PCIe designators indicate the mechanical connector size and number of electrical PCIe lanes
routed to an expansion slot. For example, x16(4) means that the expansion slot is mechanically a x16 length
connector, with 4 PCIe lanes supported.
6Chapter 1 Hardware overview
Workstation specications
●
Intel Series C236 chipset
●
Support for the Intel Xeon Processor E3 v5 Family or sixth-generation Intel Core processors up to 80 W
●
Integrated 2-channel memory controller
Processor
technology
●
Microarchitecture improvements
●
Integrated graphics (some models)
●
Advanced Vector Extensions (AVX) to increase oating point performance
●
Intel DMI3 interface connecting the processor to the I/O controller
Power supply
Memory
technology
Graphics cards
I/O technology
●
280 W, 85% ecient, compatible with ENERGY STAR Version 6.1 requirements
●
Dual in-line memory modules (DIMMs) based on DDR4 2133MHz technology
●
Supports error checking and correcting (ECC) and non-ECC DIMMs
●
Two direct-attach memory channels enable low-latency access and fast data transfer
●
Up to 64 GB system memory (16 GB DIMMs)
●
2133 MHz 4, 8, 16 GB ECC unbuered DIMM
●
2133 MHz 4, 8, 16 GB non ECC unbuered DIMM
●
Up to PCIe Gen 3 bus speeds.
●
PCIe x16 cards are supported in the x16 slot closest to the processor.
●
Up to three displays with integrated Intel HD graphics (depending on processor type).
●
Windows 10 supports display output from both integrated graphics capable processors and discrete
graphics cards. This feature can be changed through the Computer Setup (F10) Utility.
NOTE: Most supported Intel Core processors provide Intel HD Graphics 510/530; Intel Xeon processors with
model designations that end in "___5" provide Intel HD Graphics P530.
NOTE: To drive more than three displays, use Computer Setup (F10) Utility to intermix integrated Intel HD
graphics and discrete graphics cards (with four or more displays, HP recommends using only discrete
graphics cards).
●
RAID congurations for SATA RAID levels 0, 1
●
Two external and one internal USB 2.0 ports
●
Eight external and one internal USB 3.0 port
●
Three DisplayPort 1.2 connectors
●
Serial header that can be used with an optional PCI bulkhead connector
HP Z238 Workstation components7
Product specications
Workstation weights and dimensions
CharacteristicHP Z238
Typical conguration6.99 kg (15.38 lb)
Weight
Chassis dimensions
Environmental specications
CharacteristicZ238 Workstation
Operating: 5°C to 35°C (40°F to 95°F)
Temperature
Humidity
Altitude
Non-operating: -40°C to 60°C (-40°F to 140°F)
NOTE: Derate by 1°C (1.8°F) for every 305 m (1,000 ft) altitude over 1,524 m (5,000 ft).
Operating: 8% to 85% relative humidity, non-condensing
Non-operating: 8% to 90% relative humidity, non-condensing
Operating: 0 to 3,048 m (10,000 ft)
Non-operating: 0 to 9,144 m (30,000 ft)
Minimum conguration6.42 kg (14.12 lb)
Maximum conguration7.9 kg (17.42 lb)
Height35.5 cm (14.0 in)
Width16.5 cm (6.5 in)
Depth35.6 cm (14.1 in)
8Chapter 1 Hardware overview
Ensuring proper ventilation
Proper ventilation for the system is important for workstation operation. Follow these guidelines:
●
Operate the workstation on a sturdy, level surface.
●
Provide at least 15.24 cm (6 inches) of clearance at the front and back of the workstation. (Workstation
models vary.)
●
Be sure that the ambient air temperature falls within the environmental specications listed in this
document.
NOTE: The ambient upper limit of 35°C (95°F) is only good up to 1524 m (5000 ft) elevation. There is a
1°C (33.8°F) per 304.8 m (1000 ft) derating above 1524 m (5000 ft). So, at 3,048 m (10,000 ft), the
upper ambient air temperature limit is 30°C (86°F).
●
For cabinet installation, be sure that adequate cabinet ventilation and the ambient temperature within
the cabinet does not exceed specied limits.
●
Never restrict the incoming or outgoing airow of the workstation by blocking any vents or air intakes,
as shown in the following gure.
Ensuring proper ventilation9
2System management
This section describes the tools and utilities that provide system management for the workstation.
Topics
Power management and performance features on page 10
BIOS ROM on page 11
Computer Setup (F10) utilities on page 12
Desktop management on page 23
Power management and performance features
ERP compliance mode
This computer provides ERP compliance mode capability.
When enabled, the computer shuts down to the lowest possible power state. The computer must then be
turned on with the power button. One of the eects is that "wake on LAN" is disabled.
When disabled, the computer powers down conventionally.
1.Press F10 during startup.
2.Using the arrow keys, select the Advanced > Power Management Options, and then select S5
Maximum Power Savings.
3.Select Main > Save Change and Exit, and then press enter to accept the change.
Enabling ERP compliance mode
Disabling ERP compliance
mode
4.If using Windows, boot to Windows and search in the Start Menu for the setting Choose what
the power buttons do. Clear Turn on fast startup (recommended). If the check box is not
available, select Change settings that are currently unavailable at the top of the window.
If using Windows 10, use the taskbar search eld to search for Power Options. Select Choose
what the power button does, then select Turn on fast startup (recommended).
1.Press F10 during startup.
2.Using the arrow keys, select Advanced > Power Management Options, then clear S5
Maximum Power Savings.
3.Select Main > Save Change and Exit, and then press enter to accept the change.
4.If using Windows, boot to Windows and search in the Start Menu for the setting Choose what
the power buttons do. Check Turn on fast startup (recommended). If the check box is not
available, select Change settings that are currently unavailable at the top of the window.
If using Windows 10, use the taskbar search eld to search for Power Options. Select Choose what the power button does, then select Turn on fast startup (recommended).
10Chapter 2 System management
Hyper-Threading Technology (HTT)
This computer supports HTT, an Intel-proprietary technology that improves processor performance through
parallelization of computations (doing multiple tasks at once).
The operating system treats an HTT-enabled processor as two virtual processors, and shares the workload
between them when possible. This feature requires that the operating system support multiple processors
and be specically optimized for HTT.
Use Computer Setup (F10) Utility to enable HTT.
Go to http://www.hp.com/go/quickspecs to determine if your CPU supports HTT.
SATA Power Management
SATA Power Management enables or disables SATA bus and/or device power management.
Intel Turbo Boost Technology
Your workstation supports Intel® Turbo Boost Technology.
This feature enables the CPU to run at a higher than normal rate. When all CPU cores are not necessary for the
workload, inactive cores are turned o and power is diverted to the active cores to increase their
performance.
Turbo Boost is enabled and disabled with Computer Setup (F10) Utility.
Go to http://www.hp.com/go/quickspecs to determine if your CPU supports Turbo Boost.
BIOS ROM
The BIOS ROM is a collection of machine language applications stored as rmware in ROM. It includes
functions such as Power-On Self-Test (POST), PCI device initialization, Plug and Play support, power
management, and Computer Setup (F10) Utility.
Go to http://www.hp.com/go/quickspecs to review the latest BIOS ROM specications.
BIOS ROM11
Computer Setup (F10) utilities
Use Computer Setup (F10) Utility to do the following:
●
Change settings from the defaults or restore the settings to default values.
●
View the system conguration, including settings for processor, graphics, memory, audio, storage,
communications, and input devices.
●
Modify the boot order of bootable devices such as hard drives, optical drives, or USB ash media devices.
●
(Windows 7 only) Establish an Ownership Tag, the text of which is displayed each time the system is
turned on or restarted.
●
Enter the Asset Tag or property identication number assigned by the company to this computer.
●
Enable the power-on password prompt during system restarts (warm boots) as well as during power-on.
●
Establish an administrator password that controls access to the Computer Setup (F10) Utility and the
settings described in this section.
●
Establish minimum requirements for valid passwords, including length and required types of characters.
●
Secure integrated I/O functionality, including the serial, USB, or audio, or embedded NIC, so that they
cannot be used until they are unsecured.
●
Enable or disable dierent types of boot sources.
●
Congure features such as Secure Boot, power management, virtualization support, and language and
keyboard type used in Setup and POST.
●
Replicate the system setup by saving system conguration information on a USB device and restoring it
on one or more computers.
●
Enable or disable DriveLock security or securely erase a hard drive (when supported by drive).
Using Computer Setup (F10) utilities
Computer Setup can be accessed only by turning the computer on or restarting the system. To access the
Computer Setup Utilities menu, complete the following steps:
1.Turn on or restart the computer.
2.Repeatedly press F10 when the monitor light turns on to access the utility.
You can also press esc to a menu that allows you to access dierent options available at startup,
including the Computer Setup utility.
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and again
repeatedly press F10 when the monitor light turns green to access the utility.
3.A choice of four headings appears in the Computer Setup Utilities menu: Main, Security, Advanced, and
UEFI Drivers.
NOTE: Selecting UEFI Drivers restarts the computer into the 3rd party option ROM management
application. You can access this application directly by pressing F3 during startup.
4.Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys
to select the option you want, then press enter. To return to the Computer Setup Utilities menu, press
esc.
5.To apply and save changes, select Main > Save Changes and Exit.
12Chapter 2 System management
●
If you have made changes that you do not want applied, select Ignore Changes and Exit.
●
To restore settings from the Advanced and Main menus to original values, select Apply Factory
Defaults and Exit.
●
To restore settings from the Advanced and Main menus to those previously saved by Save Custom
Defaults, select Apply Custom Defaults and Exit. If no custom defaults have been saved, then
factory defaults are used.
NOTE: Settings in the Security menu are not modied by Apply Defaults. Those values are reset by
Restore Security Settings to Factory Defaults at the bottom of the Security menu.
NOTE: Not all settings shown in the following sections are available for all models
CAUTION: Do NOT turn the computer power OFF while the BIOS is saving the Computer Setup (F10) changes
because the settings could become corrupted. It is safe to turn o the computer only after exiting the F10
Setup screen.
Computer Setup (F10) utilities13
Computer Setup–Main
NOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.
Table 2-1 Computer Setup—Main
OptionDescription
System InformationLists all information in the following list if Advanced System Information is selected. Lists smaller subset
if Basic System Information is selected.
●
Product name
●
Installed memory size
●
Processor type
●
Processor cache size (L1/L2/L3)
●
Processor speed
●
MicroCode Revision
●
Processor Stepping
●
Memory Speed
●
DIMM size (for each installed module)
●
System BIOS version
●
ME Firmware version
●
Video BIOS version
●
Super I/O Firmware version
●
Born On Date
●
Serial Number
●
SKU number
●
UUID (Universally Unique Identier)
●
Asset Tracking Number
●
Feature Byte
●
Build ID
●
Product Family
●
System Board ID
●
System Board CT
●
Integrated MAC Address
System DiagnosticsIf the hard drive has the HP Advanced Diagnostics installed, the application will launch. If HP Advanced
Update System BIOSLets you update the system BIOS from www.hp.com or another network server, from a removable USB
14Chapter 2 System management
Diagnostics is not installed, then a basic version built into the BIOS will provide the capability to perform
the following functions:
●
Memory Test
●
Hard Drive Check
●
Language
drive, or from a le located on the hard drive.
●
‘Check HP.com for BIOS Updates’ or ‘Check the Network for BIOS Updates’
Table 2-1 Computer Setup—Main (continued)
The string that appears here depends on the setting in ‘BIOS Update Preferences’.
●
Lock BIOS Version
If this option is selected, the system is locked to the current BIOS version and updates are not
allowed.
●
BIOS Update Preferences
Allows the administrator to select the source of network updates (www.hp.com or another network
server) and allows conguration of a periodic check for updates, including policies for:
■
Check for updates and prompt the user to accept or reject the update at that time
■
Check for updates and install all new versions
■
Check for updates and install only new versions marked important
●
Network Conguration Settings
●
Update BIOS Using Local Media
Lets you access les on either USB storage or the hard drive. The HP BIOS Update and Recovery
application included in BIOS Softpaqs at www.hp.com will copy the BIOS le to the correct location
on the hard drive or USB device.
System IDsLets you set the following values:
●
Asset Tracking Number
●
Ownership Tag
Replicated SetupBackup current settings to USB device
Saves system conguration to a formatted USB ash media device.
Restore current settings from USB device
Restores system conguration from a USB ash media device.
Save Custom DefaultsSaves the current system conguration settings as the custom default set.
Apply Custom Defaults
and Exit
Apply Factory Defaults
and Exit
Ignore Changes and ExitExits Computer Setup without applying or saving any changes.
Save Changes and ExitSaves changes to current system conguration, exits Computer Setup, and reboots.
Applies the custom default settings to the computer after rebooting. Does not apply to options in the
Security menu.
Restores the factory system conguration settings to the computer after rebooting. Does not apply to
options in the Security menu.
Computer Setup (F10) utilities15
Computer Setup—Security
NOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.
Table 2-2 Computer Setup—Security
OptionDescription
Set up BIOS
Administrator Password
Change BIOS
Administrator Password
(This selection is active
only if a BIOS
administrator password is
set.)
Password PoliciesLets you set the guidelines for a valid password. Options include:
Lets you set and enable a BIOS administrator password, which includes the following privileges:
●
Manage other BIOS users
●
Full access to BIOS policy and settings
●
Unlock the computer when other BIOS users fail the preboot authentication.
NOTE: Creating a BIOS user disables the Fast Boot option.
NOTE: If the password is set, it is required to change Computer Setup options, update the BIOS, and
make changes to certain plug and play settings under Windows.
Lets you change the BIOS administrator password.
You must know the current password to be able to change it.
●
Password minimum length
●
Requires at least one symbol
●
Requires at least one number
●
Requires at least one upper case character
●
Requires at least one lower case character
●
Allows spaces
Clear Password Jumper
Select ‘Honor’ to allow or ‘Ignore’ to not allow the absence of the password jumper to clear the passwords
at boot up. Default is ‘Honor’.
Security CongurationTPM Embedded Security
16Chapter 2 System management
●
TPM Device
Lets you set the Trusted Platform Module as available or hidden.
●
TPM State
Select to enable the TPM.
●
TPM Clear
Select to reset the TPM to an unowned state. After the TPM is cleared, it is also turned o. To
temporarily suspend TPM operations, turn the TPM o instead of clearing it.
CAUTION: Clearing the TPM resets it to factory defaults and turns it o. You will lose all created
keys and data protected by those keys.
BIOS Sure Start
●
Verify Boot Block on every Boot
Select to check validity of boot block region each boot. If not selected, boot block region will be
validated on power cycles.
Table 2-2 Computer Setup—Security (continued)
●
Data Recovery Policy
Select ‘Automatic’ or ‘Manual’ to set data recovery policy. ‘Manual’ lets you select whether or not to
execute recovery of a corrupted region if it is detected.
Dynamic Runtime Scanning of Boot Block
Veries the integrity of the BIOS boot block region several times each hour while the system is running.
Set Up BIOS Power-On
Password
Change BIOS Power-On
Password
(This selection is active
only if a BIOS power-on
password is set.)
DriveLockAllows you to assign or modify a master or user password for hard drives. When this feature is enabled,
Secure EraseLets you select a hard drive to completely erase.
Lets you set and enable a BIOS power-on password. The power-on password prompt appears after a
power cycle or reboot. If the user does not enter the correct power-on password, the unit will not boot.
Lets you change the BIOS power-on password.
You must know the current password to be able to change it.
the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully
entered, the hard drive will remain inaccessible until one of the passwords is successfully provided during
a subsequent cold-boot sequence.
NOTE: This selection will only appear when at least one drive that supports the DriveLock feature is
attached to the system.
CAUTION: Be aware that these settings take place immediately. A save is not necessary.
CAUTION: Be sure to document the DriveLock password. Losing a DriveLock password will render a drive
permanently locked.
After you select a drive, the following options are available:
Set DriveLock Master Password. Sets the drive’s master password but does not enable DriveLock.
Enable DriveLock. Sets the drive’s user password and enables DriveLock.
Once a hard drive has been erased with a program that utilizes Secure Erase rmware commands, no le
recovery program, partition recovery program, or other data recovery method will be able to extract data
from the drive.
Save/Restore MBR of the
system hard drive
NOTE: Windows 10 systems are generally not formatted to include an MBR. Instead they use GUID
Partition Table (GPT) format, which better supports large hard drives.
Enabling this feature will save the Master Boot Record (MBR) of the system hard drive. If the MBR gets
changed, the user will be prompted to restore the MBR. Default is disabled.
The MBR contains information needed to successfully boot from a disk and to access the data stored on
the disk. Master Boot Record Security may prevent unintentional or malicious changes to the MBR, such as
those caused by some viruses or by the incorrect use of certain disk utilities. It also allows you to recover
the "last known good" MBR, should changes to the MBR be detected when the system is restarted.
NOTE: Most operating systems control access to the MBR of the current bootable disk; the BIOS cannot
prevent changes that may occur while the operating system is running.
Restores the backup Master Boot Record to the current bootable disk. Default is disabled.
Only appears if all of the following conditions are true:
●
MBR security is enabled
●
A backup copy of the MBR has been previously saved
●
The current bootable disk is the same disk from which the backup copy was saved
Computer Setup (F10) utilities17
Table 2-2 Computer Setup—Security (continued)
CAUTION: Restoring a previously saved MBR after a disk utility or operating system has modied the
MBR, may cause the data on the disk to become inaccessible. Only restore a previously saved MBR if you
are condent that the current bootable disk's MBR has been corrupted or infected with a virus.
Lets you disable the cover sensor or congure what action is taken if the computer cover was removed.
Default is ‘Disabled’.
NOTE: Notify user alerts the user with a POST error on the rst boot after the sensor detects removal of
the cover. If the password is set, Administrator Password requires that the password be entered to boot
the computer if the sensor detects that the cover has been removed.
System Management
Command
Restore Security
Settings to Default
Allows authorized personnel to reset security settings during a service event. Default is enabled.
This action resets security devices, clears BIOS passwords (not including DriveLock), and restores settings
in the Security menu to factory defaults.
Computer Setup—Advanced
NOTE: Support for specic Computer Setup options may vary depending on the hardware conguration.
Display LanguageLets you select the language of the menus in F10 Setup and the keyboard layout.
Scheduled Power-OnThis feature wakes the system up from a powered-o state at a specied date and time.
Boot OptionsSelect the devices that the computer can boot from, as well as other options, including:
●
●
●
●
●
●
●
●
●
Startup Menu Delay(sec). Enabling this feature will add a user-specied delay to the POST process.
One purpose for the delay is to provide additional time to activate hotkeys such as esc for the
Startup Menu or F10 for Computer Setup.
Fast Boot. Default is enabled for Windows 10 and disabled for Windows 7 systems.
CD-ROM Boot. Default is enabled.
Network (PXE) Boot. Default is enabled.
Prompt on Memory Size Change. Default is enabled.
Prompt on Fixed Storage Change. Default is disabled.
After Power Loss. Default is Power O.
■
Power o—causes the computer to remain powered o when power is restored.
■
Power on—causes the computer to power on automatically as soon as power is restored.
■
Previous state—causes the computer to power on automatically as soon as power is restored,
if it was on when power was lost.
NOTE: If the system is congured to ‘Power On from Keyboard Ports’ (see Power Management
Options), then this setting is forced to ‘Power On’.
Audio Alerts During Boot. Default is enabled. When disabled, most audible beeps from errors,
warnings, and password prompts during boot up are suppressed.
Default is enabled. Specify the order in which UEFI boot sources (such as a internal hard drive, USB
hard drive, USB optical drive, or internal optical drive) are checked for a bootable operating system
image.
UEFI boot sources always have precedence over legacy boot sources.
●
Legacy Boot Order
Specify the order in which legacy boot sources (such as a network interface card, internal hard drive,
USB optical drive, or internal optical drive) are checked for a bootable operating system image.
Specify the order of attached hard drives. The rst hard drive in the order will have priority in the
boot sequence and will be recognized as drive C (if any devices are attached).
NOTE: To drag a device to a preferred place, press enter.
NOTE: MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system has
started.
Shortcut to Temporarily Override Boot Order
To boot one time from a device other than the default device specied in Boot Order, restart the computer
and press esc (to access the Startup menu) and then F9 (Boot Menu), or only F9 (skipping the Startup
menu) when the monitor light turns green. After POST is completed, a list of bootable devices is displayed.
Use the arrow keys to select the preferred bootable device and press enter. The computer then boots
from the selected non-default device for this one time.
Secure Boot
Conguration
System OptionsCongure Storage Controller for RAID (enable/disable)
Congure Legacy Support and Secure Boot
Legacy Support – Lets you turn o all legacy support on the computer, including booting to DOS, running
legacy graphics cards, booting to legacy devices, and so on. Windows 7 for instance requires legacy
support, whereas Windows 10 does not.
Secure Boot – Lets you make sure an operating system is legitimate before booting to it, making Windows
resistant to malicious modication from preboot to full OS booting, preventing rmware attacks. UEFI and
Windows Secure Boot only allow code signed by pre-approved digital certicates to run during the
rmware and OS boot process.
Default is ‘Legacy Support Enable and Secure Boot Disable’ for Windows 7 and other non-Windows
congurations. Default is ‘Legacy Support Disable and Secure Boot Enable’ for Windows 10.
Secure Boot Key Management
Lets you manage the custom key settings.
Clear Secure Boot Keys
Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is
disabled.
Reset Secure Boot keys to factory defaults
Default is disabled.
Enable MS UEFI CA key
Disabling this setting alters the Secure Boot key list to further restrict the allowed software
components. Set this option to ‘disable’ to support Device Guard.
Lets you enable onboard RAID. Default is disabled.
POST Prompt for RAID Conguration (Intel only)
When disabled, the prompt for ‘RAID option ROM’ in legacy mode is suppressed.
Virtualization Technology (VTx) (Intel only)
Controls the virtualization features of the processor. Changing this setting requires turning the computer
o and then back on. Default is disabled.
Virtualization Technology for Directed I/O (VTd) (Intel only)
Controls virtualization DMA remapping features of the chipset. Changing this setting requires turning the
computer o and then back on. Default is disabled.
PCI Express Slot x (enable/disable)
Lets you disable individual expansion slots.
Allow PCIe/PCI SERR# Interrupt (enable/disable)
Allows PCI devices to report PCI/PCIe System Error signals, such as address parity errors, data parity
errors, and critical errors other than parity. Default is enabled.
Power Button Override (disable/4 sec/15 sec)
Lets you disable or enable and select the number of seconds you have to hold down the power button for
it to force the system to power o. Default is ‘4 sec’.
Built-In Device OptionsEmbedded LAN Controller
Select to show the device in the operating system. Default is enabled.
Wake On LAN
Lets you either disable the Wake On LAN feature, or congure where the computer boots, including the
network or hard drive. Default is Boot to Network.
Dust Filter (select models only)
Select to enable the Dust Filter replacement reminder, which can be set for 15, 30, 60, 90, 120, or 180
days. The reminder will show during POST after the reminder timer has expired.
Video Memory Size
Use this option to manage graphics memory allocation. The value you choose is allocated permanently to
graphics and is unavailable to the operating system.
If a discrete graphics card is installed when Intel graphics is also available, then Integrated Video displays
instead of Video Memory Size. Select Integrated Video to enable simultaneous usage of integrated Intel
HD graphics and discrete graphics cards to drive more than three displays.
Audio Device
Select to show the device in the operating system. Default is enabled.
Internal Speakers (does not aect external speakers)
Clear to disable the chassis speaker. This function is applicable to normal audio playback in the operating
system and does not aect the error or warning beeps during POST. Default is enabled.
Integrated Microphone
Clear to disable the integrated microphone. This does not aect devices plugged into audio jacks. Default
is enabled.
Increase Idle Fan Speed(%)
Sets idle fan speed percentage. This setting only changes the minimum fan speed. The fan is still
automatically controlled.
Port OptionsAllows you to hide the following ports from the operating system:
20Chapter 2 System management
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I/O address A
Interrupt A
SATA0
SATA1
SATA2
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