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新版CompactFlash卡规范最大可支持144PB空间
发布日期:2010-02-23 07:00:38  稿源:
CompactFlash Association今天公布了5.0版CF卡规范,新版规范增加了28到48位的存储量指数,解决了目前137GB的存储量限制,理论上新款CF卡最大可支持144PB空间。
CF卡对于摄影师和摄像师来说有着特别的意义,CF有可选的服务质量框架,可以保证图像视频水平,防止丢帧。
特别是在高清视频模式下,5.0版CF卡规范可以实现各种大小的高分辨率RAW拍摄,目前没有生产厂家表示有5.0规范产品推出,这一切还可能要几个月后才能看到。


Key Feature

Benefits

48 bit Addressing (Mandatory)

Capacity points beyond current limitation of 137GB (up to 144PB) & more efficient data transfer (32MB per transfer versus 128K per transfer)

Data Set Management Command/Trim (Mandatory) More efficient cleanup of unused space on memory card (LBA’s)
Update ATA References to ATA-6 & ATA-8/ACS-2 Access to advancements in the ATA standard
Performance Control (optional)

Card performance quality of service framework

Video Performance Guarantee (Optional) Quality of service for video capture applications to ensure quality recordings with no dropped frames
Identify Device CFA Specification Version Number (Mandatory) Easier for host to determine card capabilities
Changed Interface Electrical Specification to Better Comply with the ATA Standard (Mandatory) Easier and better card design, compatible with advanced hosts.

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