Dell Latitude E5420 System BIOS, A02

請勿在更新 BIOS 時將電腦關機或拔除電源，電腦可能因此受損。更新期間，電腦將重新啟動，並且會暫時顯示黑色畫面。

更新前，請閱讀以下所述的安裝說明與重要資訊。

驅動程式 ID : 6RR83

重要性 : 建議

繁體中文版 : A02, A02 最新版本建議版本最新與建議版本

發佈日期 : 28 7月 2011

下載類型 : 系統 BIOS

類別 : BIOS

Latitude E5420 System BIOS A02

下載檔案

檔案格式： 此檔案格式包含 BIOS 可執行檔。此通用 (Windows/MS DOS) 格式可用於在任何 Windows 或 MS DOS 環境中進行安裝。

檔案名稱: E5420A02.exe

檔案大小: 2.79 MB

為了確保下載的完整性，請驗證總和檢查值。

MD5： a1cb565dec21fe0cf5c1305664c0f248

下載 .EXE

修復及強化

1. Added support for Signed Firmware Updates.
2. Fix "system easily hang if write data and save under DOS w/ AHCI mode."
3. Fix "LCD show black screen when resume from S3 with CPU(i5-2520)"
4. Fixed issue where the BIOS would reboot instead of flashing when the /S parameter was used
with the flash executable.
5. Integrate 1.5MB MEFW 7.1.11.1069 MRHF1 into Krug BIOS.
6. Update ePSA to 4208 for E3.
7. Dell GPE Feature Added to Platforms.
8. Fix "HDD slow performance with security encryption software installed on PCMCIA configuration".
9. Fix "ATA controller unaligned memory access failure"
10.Fix "After disable NIC in BIOS menu, the BIOS menu will show wrong MAC address."
11.Fix "Forced Boot to CD support for Sandybridge UMA Platforms".
12.Correct INT13 handler for ATA mode when system is under virtual x86 mode
13.Update to latest Intel microcode patch (MOB_P_11)
14.Updated Intel System Agent reference code to 1.2.0
15.Updated Intel PCH Reference Code to 1.2
16.Updated Intel PPM Reference Code to v1.2.1.1
17.Fix" System will auto shut down then reboot on DC if disable hyberThread or Multicore".
18.Fix" System cannot detect HDD when set to ATA mode and remove ODD".
19.Fix" can not boot from os install-CD with memory exceed 6G Bytes under UEFI mode".
20.Fix" HealthState result is wrong at CIM_ComputerSystem on DASH manage tool".
21.Fix" Reboot Bypass malfunction after flash BIOS".
22.Fix" System can't resume from S4 on UEFI OS when the memory size over 4G Bytes".

安裝指示

Custom Instructions for E5420A02.exe:

Installation Instructions for the Universal (Windows/ DOS) format

Download file to Desktop

Use one of the methods below to flash the Bios.

Run the BIOS update utility from Windows environment

Run the BIOS update utility from DOS environment (Non-Windows users)

Download file to Desktop

The file E5420A02.exe is using the Universal (Windows/ DOS) format and is designed to be directly executed from Windows environment.

Click Download now.
The File Download window appears.

Click the Save button.
The Save As window appears.

Select Desktop using the drop-down menu to the right of Save in.

Click the Save button.
A progress meter moves as the download is completed.

If necessary, click X in the upper right-hand corner of the Download Progress Window to close it upon completion.

NOTE: Shut down all other applications prior to running the BIOS update utility. The update utility reboots your system in order to get the new BIOS loaded.

Run the BIOS update utility from Windows environment

Double click the Icon on your desktop labeled E5420A02.exe.
The Dell BIOS Flash window appears

Click the Continue button.
The message Pressing OK will close all applications, shut down Windows, Flash the BIOS, then reboot. appears.

Click the OK button.
The system will restart and the BIOS Flash will be completed.

Run the BIOS update utility from DOS environment (Non-Windows users)

NOTE: You will need to provide a bootable DOS diskette. This executable file does not create the DOS system files.

Copy the file E5420A02.exe to a bootable floppy.

Boot from the floppy to the DOS prompt.

Run the file by typing Y:\E5420A02.exe (where y is the drive letter where the executable is located).

Dell Latitude E5420 System BIOS, A02

下載檔案

修復及強化

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支援的作業系統

安裝指示