某些HP 电脑产品“预启动 DMA 保护”BIOS 设置未经授权的更改可以绕过 Microsoft Windows 内核 DMA 保护安全功能。 HP 正在为此 BIOS 设置提供额外保护,会在发现未经授权的更改时,提示输入 Windows BitLocker 恢复密钥。 使用HP Sure Start BIOS 设置保护的客户已经受到保护,可以防止对“预启动 DMA 保护”设置进行未经...
https://h30434.www3.hp.com/t5/Notebook-Operating-System-and-Recovery/HP-450-G9-Error-DMA-Protection/... Check carefully the Windows Update history: all modern HP computers download their BIOS through Windows Update nowadays. Check the BIOS version as well - if you're on the latest BIOS...
Dear HP community. We use a lot of HP 450 Probook series products, recently the G9 models started showing "/DMA Protection / The device - 9228891 - 2
有報告指出,在某些 HP 電腦產品的系統 BIOS 中有潛在安全性漏洞,此漏洞可能會允許記憶體竄改。HP 目前發佈了此潛在漏洞的緩解措施。
致命 DMA 错误消息错误消息:Fatal DMA Error蜂鸣报警:无可能原因:DMA 控制器发生严重错误并导致 NMI 。操作:运行 Insight Diagnostics ,并更换指定的问题组件。致命 Express 端口错误消息错误消息:Fatal Express Port Error蜂鸣报警:无可能原因:PCI Express 端口发生严重错误并导致 NMI 。操作:运行 Insight Diag 6、...
2 Introduction 8 HP PC Commercial BIOS (UEFI) Setup 2.2 New in 2020 This is a sampling of the new features and functionalities introduced in 2020: • Removed legacy (DOS) support • Added HP Sure Start ME firmware recovery (Intel systems) • Extended DMA protection • Introduced ...
functionalities introduced in 2020: • Removed legacy (DOS) / UEFI CSM support • Added HP Sure Start ME firmware recovery (Intel systems) • Extended DMA protection • Introduced memory encryption setting • Clear BIOS Passwords on RTC Battery Removal NOTE: Some features are platform ...
101-Option ROM Error 系统ROM 校验和。 确认ROM 是否正确。 如有必要请刷新 ROM。 如果最近添加了扩展板,将其取下,然后查看是否仍有问题。 清空CMOS。 如果错误消息消失,则表明扩展卡可能有问题。 更换系统板。 102-System Board Failure DMA 和定时器等。 清空CMOS。 拆下扩展板。 更换系统板。 103-Syst...
Technical Whitepaper HP PC Commercial BIOS (UEFI) Setup Administration Guide For Commercial Platforms using HP BIOSphere Gen 3-5 2016 -2019 June 2019 919946-004 HP PC Commercial BIOS (UEFI) Setup Table of contents June 2019 919946-004 1 Abstract... 6 2 Introduction......
(user configurable via BIOS); Power- on password (via BIOS); Removable media write/boot control; SATA port disablement (via BIOS); Security lock slot; Serial enable/disable (via BIOS); Setup password (via BIOS); Support for Intel® Anti-Theft Technology; IR camera with Windows Hello 4,...