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FBWC 要電池嗎?

Flash Backed Write Cache
flash
是快閃記憶體方式的;

描述:
Flash-backed write cache HP introduced the flash-backed write-cache (FBWC) system in the fourth quarter of 2009. The FBWC uses NAND7 flash devices to retain cache data and super-capacitors (Super-caps) instead of batteries
to provide power during a power loss. The FBWC offers significant advantages over the HP Battery-backed write-cache (BBWC) system. Since the FBWC writes the contents of memory to flash devices, there is no longer a 48-hour battery life limitation and the data will be posted to the disk drive on the next power up.

看來就是字面理解,BBWC是靠電池供電來保存資料,FBWC不用電池了,就像U盤那樣。hp的說法是卡上帶有一個電容器來給這個flash供電。

之後我打電話問HP 客服, 他也說FBWC是不用電池的

但是,.....我20116, 買入一個1G flash , FLASH 上還是有電池的接頭, 廠商還是有附 一個電池.

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