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升级 HP Pavilion G7 1317cl BIOS F45 至 8GB，在 Ubuntu 12.04 X64 中仅识别 3.3GB

tag-icon • tag-icon 12.04 64-bit ram hp-pavilion
升级 HP Pavilion G7 1317cl BIOS F45 至 8GB，在 Ubuntu 12.04 X64 中仅识别 3.3GB

Bios 和硬件探测器显示已安装 8GB。交换芯片插槽后行为无差异。DMESG E820 地图如下：

BIOS-provided physical RAM map:
[    0.000000]  BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
[    0.000000]  BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
[    0.000000]  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
[    0.000000]  BIOS-e820: 0000000000100000 - 00000000bf9bf000 (usable)
[    0.000000]  BIOS-e820: 00000000bf9bf000 - 00000000bfabf000 (reserved)
[    0.000000]  BIOS-e820: 00000000bfabf000 - 00000000bfbbf000 (ACPI NVS)
[    0.000000]  BIOS-e820: 00000000bfbbf000 - 00000000bfbf5000 (ACPI data)
[    0.000000]  BIOS-e820: 00000000bfbf5000 - 00000000bfc00000 (usable)
[    0.000000]  BIOS-e820: 00000000bfc00000 - 00000000e0000000 (reserved)
[    0.000000]  BIOS-e820: 00000000f8000000 - 00000000fc000000 (reserved)
[    0.000000]  BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
[    0.000000]  BIOS-e820: 00000000fec10000 - 00000000fec11000 (reserved)
[    0.000000]  BIOS-e820: 00000000fed80000 - 00000000fed81000 (reserved)
[    0.000000]  BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
[    0.000000]  BIOS-e820: 00000000ffe00000 - 0000000100000000 (reserved)
[    0.000000]  BIOS-e820: 0000000100000000 - 000000011f000000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI 2.7 present.
[    0.000000] DMI: Hewlett-Packard HP Pavilion g7 Notebook PC/3568, BIOS F.45 01/17/2012
[    0.000000] e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved)
[    0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable)

答案1

升级 BIOS 至版本 F.52 - 没有帮助。重新安装 Windows 7 后，症状相同。退回笔记本电脑，因为系统内存插槽 2 损坏。另外，HP 的帮助微乎其微，零售商提供的 90 天退货政策是我使用全新笔记本电脑解决问题的最佳选择。

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