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 Version 1.5.1
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 1.5.1
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
Allows Memory 2X Refresh operation independent of temperature. This option is accessible through the System Profile Settings menu under the BIOS setup.
了解详情版本
1.5.1, 1.5.1
发布日期
26 3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： 面向MS Windows（32位）的更新包
文件名： T420_BIOS_DXCMV_WN32_1.5.1.EXE
文件大小： 11.65 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：
aba0da216333821b39234568d3b57190
SHA1：
d2a6b6c692798ce12e7bc093b528d891258bc200
SHA-256：
ce141a7fb4765580b066a0b10ce30cdfc184c8652965b9e90b786733a46b95b7
文件格式： 包含加密签名的GnuPG文件
文件名： T420_BIOS_DXCMV_LN_1.5.1.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：
d1d6ae5f7ff8858b5dcdb3eb4e925672
SHA1：
40e3bb65bd44cae03f263cc5fc580194a5f2e6a2
SHA-256：
7ae04e3c52a1f46f60ce92552b392a6c0bcc02c380632c93256a7a973421c01c
文件格式： 自解压文件（供64位计算机使用）
文件名： T420-010501C.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：
eb88179fe8c8f92279c5b935109f67e2
SHA1：
ee542a180c7dccff907a081513c3d31f73cd9d2b
SHA-256：
201735e8f209dd7cf7682ae4b051f11ba7b2f32b5a0ba30993df1ad531f9f5a4
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： T420-010501C.exe
文件大小： 3.01 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：
543dca1692349df4dc5a366c18fa421a
SHA1：
bd5fe189c256117baa72df1a5c00d49dadcd7281
SHA-256：
0ad89b011b53bb14453cb42c6539e1fca534528e4ffd13a793d0fcacf635b466
文件格式： 外部版本说明
文件名： T420-010501BIOS.txt
文件大小： 8.6 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：
a992d7a6f54718c08f1cea7576877bfe
SHA1：
ba6d76e3e1c6ee41b01208c57c560ddc51ee2c95
SHA-256：
271bbc2e49c9cbf3537b959c401d594b486cc2a235cc4c55056356ee4f198c2a
文件格式： Red Hat Linux的更新包
文件名： T420_BIOS_DXCMV_LN_1.5.1.BIN
文件大小： 9.95 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：
a0df097179a138b7f06e6d8578f7b7cb
SHA1：
ffbd83692ab1760068b221ef452a653e4686aeec
SHA-256：
76cf837adb0a1be90d481a256e3ba8350d49736ea3c112b36b4ff7b697c8677e
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
None
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
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