更新 BIOS 时请勿关闭计算机或拔下电源，否则可能会损害您的计算机。在更新过程中，您的计算机将重新启动，并且可能会出现短暂黑屏。
在更新之前，请阅读下面注明的安装说明和重要信息。
Dell Server BIOS PowerEdge T420版本2.0.21
需要重新启动 已安装 此文件是作为最近更新的一部分自动安装的。如果您遇到任何问题，您可以手动下载并重新安装。此页面的内容可能已自动翻译。要提供反馈，请填写页面底部的表单。
PowerEdge T420 BIOS Version 2.0.21
推荐
以管理员身份登录 Windows 以使用自动扫描。如果您已以管理员身份登录并看到此消息，请重新启动。 您的系统由 IT 管理员管理，并且功能可能受限。
查找更多更新。使用 SupportAssist 查找适用于您的设备的所有最新驱动程序更新。
补丁和增强功能
What's New
===========
* Added support for Intel Xeon E5-2400 V2 family of processors.
* Added support for Windows 2012 R2.
* Updated Intel chipset configuration compliant with latest BIOS specification Updates Rev 2.0.4.
* Updated Intel Xeon processor E5-2400 V2 product family microcode to 416.
* Updated Intel Management Engine (ME) binary to Rev 2.1.5. 0x87. Corrected an issue where throttling may be enforced, even after power cap restrictions are removed, if a system was under load during a warm reboot.
* Updated iDRAC HII configurator UEFI driver to v1.50.50.21:
- On the basis of functionality, reordered the links on the iDRAC Settings page.
- Updated the System Event Log page with a link to display the system event log messages.
- Updated the Reset iDRAC configuration to defaults page to dynamically refresh the percentage completion status of configuration.
- Updated the OS to iDRAC Pass Through page with an additional setting for USB NIC.
- Updated the online help content related to Thermal.
Fixes
======
Corrected the behavior of Dell Fault Resilient Mode to match with that of Mirror Mode when the DIMM population order does not support RAS features.
了解详情===========
* Added support for Intel Xeon E5-2400 V2 family of processors.
* Added support for Windows 2012 R2.
* Updated Intel chipset configuration compliant with latest BIOS specification Updates Rev 2.0.4.
* Updated Intel Xeon processor E5-2400 V2 product family microcode to 416.
* Updated Intel Management Engine (ME) binary to Rev 2.1.5. 0x87. Corrected an issue where throttling may be enforced, even after power cap restrictions are removed, if a system was under load during a warm reboot.
* Updated iDRAC HII configurator UEFI driver to v1.50.50.21:
- On the basis of functionality, reordered the links on the iDRAC Settings page.
- Updated the System Event Log page with a link to display the system event log messages.
- Updated the Reset iDRAC configuration to defaults page to dynamically refresh the percentage completion status of configuration.
- Updated the OS to iDRAC Pass Through page with an additional setting for USB NIC.
- Updated the online help content related to Thermal.
Fixes
======
Corrected the behavior of Dell Fault Resilient Mode to match with that of Mirror Mode when the DIMM population order does not support RAS features.
版本
2.0.21, 2.0.21
发布日期
26 11月 2013
下载类型
系统 BIOS
类别
BIOS
重要性
推荐Dell Technologies 建议在下一个计划的更新周期期间应用此更新。更新包含用于维护整体系统运行状况的更改。它可确保系统软件保持最新状态并与其他系统模块（固件、BIOS、驱动程序和软件）兼容，并且可能包括其他新功能。
可用格式 查看重要信息
文件格式： MS Windows（64位）的更新包。
文件名： T420_BIOS_HFC8C_WN64_2.0.21.EXE
文件大小： 20.53 MB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
如戴尔更新包为原生微软64位格式，则不需要在微软Windows服务器上安装WOW64。
为确保下载的完整性，请验证校验和值。
MD5：
02118ecfee0a23b0d4a49d787d32b1df
SHA1：
f066085ef14010dac48989560ec3c567056eea4d
SHA-256：
d717a5f66af1af2944c608a53d94f72e50a0873eb56878e4502bdc36e50c1cea
文件格式： 包含加密签名的GnuPG文件
文件名： T420_BIOS_HFC8C_LN_2.0.21.BIN.sign
文件大小： 189 Bytes
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
Red Hat Linux更新包的GnuPG签名可用于验证戴尔在相关Red Hat Linux更新包中的身份。
为确保下载的完整性，请验证校验和值。
MD5：
a94424ccee42cf7662362ddf9eea0a1a
SHA1：
53e09b5e96849564fd985cff45c2d4d907c21fac
SHA-256：
24abd6b9a393401788b7bb40555bc1b7ff0d576739e23c67a18818293e893d60
文件格式： 自解压文件（供64位计算机使用）
文件名： T420-020021C.efi
文件大小： 8.08 MB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
此文件包含可以从EFI外壳或EFI引导管理器执行的压缩内容。将文件下载到可移动介质设备上的EFI分区。插入可移动介质，然后重新启动系统，并从EFI外壳或EFI引导管理器运行该程序。
为确保下载的完整性，请验证校验和值。
MD5：
7cabf526d915533d2c40d38a0babd648
SHA1：
14ae9ec3beaecd3fe92f8ef39fd6085792fe6395
SHA-256：
b662743a5133d06c3b30e61fc2136acfb0d56d1c0f0e4807e4b9442945d9e02c
文件格式： 原始BIOS可执行文件 - 不管重新打包选项如何，都不会重新打包
文件名： T420-020021C.exe
文件大小： 3.17 MB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
此文件格式包含BIOS可执行文件。要使用它，请下载文件，将其复制到DOS可引导的USB闪存驱动器，然后将系统引导至USB闪存驱动器并运行该程序。
为确保下载的完整性，请验证校验和值。
MD5：
99f08a76e1bed28e7de4aca20c0378cf
SHA1：
da5f22788ecbe2dcc5b80ebc95245bce9d87b243
SHA-256：
73d4a6c9d8f73d38d57873ad923d6a6f662475d2686ac0d6fe1c1017cf632c4a
文件格式： PDF文件归档，可向客户提供帮助和过程信息
文件名： T420_BIOS 02 00 21 Release Notes.pdf
文件大小： 238.49 KB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
此格式包含一个PDF文件归档，用于向客户提供帮助和过程信息。必须先安装Adobe Acrobat Reader，然后才能查看此归档中的文件。
为确保下载的完整性，请验证校验和值。
MD5：
5be0270362430bb54d1d38871b8c0bcf
SHA1：
474c474efb3f22f6742b9bcc608a8785fcb0d602
SHA-256：
e1658f4d3e7f9063e8e6984871af26c564e78dc1fd6f081ec159e2fb5d46197f
文件格式： 外部版本说明
文件名： T420_BIOS 02 00 21 Release Notes.txt
文件大小： 11.41 KB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
此文件格式包含纯文本，您可以采用标准文本编辑器进行查看。
为确保下载的完整性，请验证校验和值。
MD5：
3c4315e17dfdedb0a7260eb302efb2b4
SHA1：
003af40eddfb96adf29da6fe5170465dd8358a3a
SHA-256：
d9a6280c9da1c9495dd5d1deec7a1fc4a027579767675beaeaca20ce1a5f4d38
文件格式： 面向MS Windows（32位）的更新包
文件名： T420_BIOS_HFC8C_WN32_2.0.21.EXE
文件大小： 13.45 MB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
Microsoft Windows 32位格式中的戴尔更新包(DUP)设计为可以在Microsoft Windows 64位操作系统上运行。Microsoft Windows 64位格式中的戴尔更新包(DUP)仅可在Microsoft Windows 64位操作系统上运行。选择设备驱动程序更新时，请务必选择适合您的操作系统的更新。
为确保下载的完整性，请验证校验和值。
MD5：
b98b5eb824e9cdd9eac687351ebba25c
SHA1：
ef5b61bf116fa5ee0a5970ce0f62273ffb7a3801
SHA-256：
7161e7ba68286701853686183bfde6db692d5fa9a0acf9c34a9e86f17c32c8a1
文件格式： Red Hat Linux的更新包
文件名： T420_BIOS_HFC8C_LN_2.0.21.BIN
文件大小： 10.34 MB
这是一个大文件。根据您的连接速度，可能需要一些时间来下载。
格式说明:
适用于Linux 的戴 尔更新包是在 满足特定的标准系统环境下使用的独立应用程序。，然后应用更新。
注意：Linux的更新包是开源的。查看适用于Linux 的戴 尔更新包自述以了解 详情，了解详情。
注意：Linux的更新包是开源的。查看适用于Linux 的戴 尔更新包自述以了解 详情，了解详情。
为确保下载的完整性，请验证校验和值。
MD5：
611ecf7114bc114b116be8aa4149c409
SHA1：
b50dbfb7266be3177072879c167426a91edae8c8
SHA-256：
a1f921775dbd50f8d2b24695e85eb7a0f72a80ed295f4539b27f596f9942d13b
开始下载软件，即表示您接受戴尔软件许可协议 ( 英文版 ) 条款。
重要信息
Back-flashing to BIOS versions earlier than 2.0.21 is not allowed if Intel Xeon E5-2400 V2 family processors are installed.
适用于
Server BIOS 12G
安装说明
Dell Update Package Instructions for DRMK
Download
1. Click the "Download Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.
----------------------------------------------------------------------
Dell Update Package Instructions for EFI
Download
1. Click the "Download Now" linkto download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
You can update the BIOS using a UEFI shell bootable media, such as a USB key.
1. Copy the file to the bootable device with UEFI shell.
2. Boot the system to UEFI shell by using the bootable device.
3. Run the executable (.efi) under the UEFI shell. Follow the instructions provided by the flash utility.
You can also load this executable directly from BIOS Boot Manager without a UEFI shell bootable media.
1. Copy the file to a USB device
2. Plug in the USB device and press F11 during POST to enter BIOS Boot Manager
3. Navigate to the System Utilities menu and select BIOS Update File Explorer
4. Select the USB device and navigate through the directory contents to find the executable (.efi)
5. Launch the executable and follow the instructions provided bythe flash utility.
----------------------------------------------------------------------
Dell Update Package Instructions for Linux DUP:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Read over the release information presented by executing the "./[model]_BIOS_LX_[revision].BIN --version" command from the shell.
2. Download and install any prerequisites identified in the above step before proceeding.
3. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
4. Run the update by executing "./[model]_BIOS_LX_[version].BIN" from the shell.
5. Follow the remaining prompts to perform the update.
----------------------------------------------------------------------
Dell Update Package Instructions for Windows Dup:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.
----------------------------------------------------------------------
GnuPG Signature of Dell Update Package Instructions:
Download
1. Click the "Download Now" link to download the file.
2. When the "File Download" window appears, click "Save" to save the file to your hard drive.
Installation
1. Import the Dell public key. (You only need to do once on your system.)
2. Verify the Dell Update Package by using its signature file, [model]_BIOS_LX_[version].BIN.sign
Reboot will be required
Download
1. Click the "Download Now" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.
----------------------------------------------------------------------
Dell Update Package Instructions for EFI
Download
1. Click the "Download Now" linkto download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
You can update the BIOS using a UEFI shell bootable media, such as a USB key.
1. Copy the file to the bootable device with UEFI shell.
2. Boot the system to UEFI shell by using the bootable device.
3. Run the executable (.efi) under the UEFI shell. Follow the instructions provided by the flash utility.
You can also load this executable directly from BIOS Boot Manager without a UEFI shell bootable media.
1. Copy the file to a USB device
2. Plug in the USB device and press F11 during POST to enter BIOS Boot Manager
3. Navigate to the System Utilities menu and select BIOS Update File Explorer
4. Select the USB device and navigate through the directory contents to find the executable (.efi)
5. Launch the executable and follow the instructions provided bythe flash utility.
----------------------------------------------------------------------
Dell Update Package Instructions for Linux DUP:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Read over the release information presented by executing the "./[model]_BIOS_LX_[revision].BIN --version" command from the shell.
2. Download and install any prerequisites identified in the above step before proceeding.
3. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
4. Run the update by executing "./[model]_BIOS_LX_[version].BIN" from the shell.
5. Follow the remaining prompts to perform the update.
----------------------------------------------------------------------
Dell Update Package Instructions for Windows Dup:
Download
1. Click the "Download Now" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.
----------------------------------------------------------------------
GnuPG Signature of Dell Update Package Instructions:
Download
1. Click the "Download Now" link to download the file.
2. When the "File Download" window appears, click "Save" to save the file to your hard drive.
Installation
1. Import the Dell public key. (You only need to do once on your system.)
2. Verify the Dell Update Package by using its signature file, [model]_BIOS_LX_[version].BIN.sign
Reboot will be required