Driver Details

PineValley/Sunrise A07 BIOS.

For Windows 8 support.

Fixes & Enhancements

1. BITS026557 Prompt twice msg when boot up from ODD and w/o press any key.
2. Change Deep sleep mode to support both S4 and S5 for Win 8.
3. Change Secure Boot load default behavior to meet spec.
4. Forbidden user to change boot mode to legacy when Secure Boot is enabled by BBS/BBS64 tools.
1. Change Deep sleep mode to support both S4 and S5 for Win 8.
2. Updated ePSA to 4220.10
3. Add PBK's workaround: SUT cannot enter S3 via power button after second time.


Version PS-A07, PS-A07



Release date

08 Oct 2012

Last Updated

08 Oct 2012



Available formats

File Format:Windows/DOS
File Name:PS-A07.EXE
Download Type:HTTP
File Size: 12MB
Format DescriptionThis file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from Windows 8, Windows 7, Windows XP, Windows 2000, NT, Windows 9X, Windows ME or a MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems


Applies to

Dell Inspiron 660s/Vostro 270s

Installation instructions

Please execute PS-A07.EXE under DOS or Windows to update system BIOS. Do not remove adaptor or shutdown computer during update process. You need to restart your computer when the update is completed.

Important Information

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This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details
Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).