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Oct 17th 2014, 12:46, by chrisdar

作者chrisdar ()

看板PC_Shopping

標題Re: [閒聊] power線電力好像不足

時間Fri Oct 17 12:46:09 2014

補充個小知識： Staggered Spin-Up : 可以循序地讓系統上的硬碟馬達旋轉，而不是一上電就全部一起轉 硬體需求： 條件1: 需要把SATA power 接頭的第11腳浮接 條件2: 並不是每一顆硬碟透過P11跳線就會動 http://www.highpoint-tech.com/PDF/Non-IOP%20Compatibility_List.pdf 軟體需求: 根據 BIOS Writers Guide 所說: 14.1.4 Initialize Registers in AHCI Memory-Mapped Space When the SATA controller is configured to operate in RAID or AHCI mode, the System BIOS must initialize the following memory-mapped AHCI registers specified by ABAR, D31:F2:24h: ‧ CAP register, Host Capabilities register (ABAR + 00h). — For Intel® 8 Series/C220 Series Chipset Family Set PSC (ABAR + 00h[13]). This bit informs the Windows software driver that the AHCI Controller supports the partial low-power state. Set SSC (ABAR + 00h[14]). This bit informs the Windows software driver that the AHCI Controller supports the slumber low-power state. Set SALP (ABAR + 00h[26]) to enable Link Power Management (LPM) support. — Set SSS (ABAR + 00h[27]) to enable SATA controller supports staggered spin-up on its ports, for use in balancing power spikes. 八卦是: 在INTEL的PCH上, 這個功能從來就沒有在 IBV & SI & OEM 被實驗出來 但是還是有軟體解法，請把你的BIOS source code 寄到 ma19@ma19.tw 他會解的~ -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.35.64.181 ※ 文章網址: http://www.ptt.cc/bbs/PC_Shopping/M.1413521172.A.3BE.html ※ 編輯: chrisdar (114.35.64.181), 10/17/2014 12:47:19 ※ 編輯: chrisdar (114.35.64.181), 10/17/2014 12:50:06 ※ 編輯: chrisdar (114.35.64.181), 10/17/2014 12:50:38

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