DELL,SW,BIOS,LAT,E5420,A05,A05
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。
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 : 2DVNX
重要性 : 建議
繁體中文版 : A05, A05 最新版本 建議版本 最新與建議版本
發佈日期 : 17 1月 2012
下載類型 : 系統 BIOS
類別 : BIOS
E5420 BIOS A05
下載檔案
檔案格式： 此檔案格式包含 BIOS 可執行檔。若要更新您的系統，請下載該檔案並將其儲存至您的桌面或硬碟，然後執行可執行檔。若要更新 BIOS，您的系統必須接上交流電源，而且電池電量至少需達 10% 以上。
檔案名稱: E5420_A05.exe
檔案大小: 2.81 MB
為了確保下載的完整性，請驗證總和檢查值。
MD5： c123b4778a2664968bf1dab048a871b8
SHA1： bfb6a73447d4351f5322dac261622786a6a2da2f
修復及強化
1. Addressed some express cards fail to be detected issue.
2. Addressed Hard Drives encryption issue in ATA mode.
3. Addressed some keyboard with USB Hub not accessible during POST.
4. Fixed issue where disabling webcam stops microphone from working.
5. Fixed issue where battery temperature sensor throttling CPU at high temperature when external power.
6. Fixed issue where Video memory size limited to 256MB in WinXp.
7. Fixed issue where Free Fall Sensor protection doesn't work after resuming from S3.
8. Fixed issue where TPM measurements were not correct when authenticating via PBA.
9. Updated Intel ME Firmware to 7.1.20.1119.
10.Added support for Signed Firmware Update Transition BIOS.
11. Fixed issue where TDM PBA SSO doesn't work when both FP and TDM PBA SSO are set for single user.
12. Addressed some keyboard with USB Hub not accessible during POST.
13. Updated to the 1.4.0 version of Intel PPM Reference Code.
14. Updated to the MOB_P_13 version of the Intel microcode patch.
15. Updated to the 1.05 version of Dell GPE.
16. Added new key for Signed Firmware Updates.
2. Addressed Hard Drives encryption issue in ATA mode.
3. Addressed some keyboard with USB Hub not accessible during POST.
4. Fixed issue where disabling webcam stops microphone from working.
5. Fixed issue where battery temperature sensor throttling CPU at high temperature when external power.
6. Fixed issue where Video memory size limited to 256MB in WinXp.
7. Fixed issue where Free Fall Sensor protection doesn't work after resuming from S3.
8. Fixed issue where TPM measurements were not correct when authenticating via PBA.
9. Updated Intel ME Firmware to 7.1.20.1119.
10.Added support for Signed Firmware Update Transition BIOS.
11. Fixed issue where TDM PBA SSO doesn't work when both FP and TDM PBA SSO are set for single user.
12. Addressed some keyboard with USB Hub not accessible during POST.
13. Updated to the 1.4.0 version of Intel PPM Reference Code.
14. Updated to the MOB_P_13 version of the Intel microcode patch.
15. Updated to the 1.05 version of Dell GPE.
16. Added new key for Signed Firmware Updates.
相容的系統
支援的作業系統
BIOS
安裝指示
Download file to Desktop
The file E5420_A05.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.
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Run the BIOS update utility from Windows environment
Double click the Icon on your desktop labeled E5420_A05.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 E542_0A05.EXE to a bootable floppy.
Boot from the floppy to the DOS prompt.
Run the file by typing Y:\E5420_A05.EXE (where y is the drive letter where the executable is located).
The file E5420_A05.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 E5420_A05.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 E542_0A05.EXE to a bootable floppy.
Boot from the floppy to the DOS prompt.
Run the file by typing Y:\E5420_A05.EXE (where y is the drive letter where the executable is located).
適用於
Dell Latitude E5420