![Fujitsu MHV2160BT Скачать руководство пользователя страница 267](http://html.mh-extra.com/html/fujitsu/mhv2160bt/mhv2160bt_product-manual_121558267.webp)
6.4 Read-ahead Cache
(3) Invalidating caching-target data
Data that is a target of caching on the data buffer is invalidated under the
following conditions:
1)-1 Any command other than the following commands is issued. (All caching-
target data is invalidated.)
READ BUFFER
WRITE BUFFER
RECALIBRATE
FORMAT TRACK
SET FEATURES
SECURITY ERASE UNIT
DEVICE CONFIGURATION
DOWNLOAD MICROCODE
UNSUPPORT COMMAND (INVALID COMMAND)
1)-2 Commands that partially invalidate caching data
READ DMA/READ MULTIPLE/READ SECTOR(S)
READ DMA EXT/READ MULTIPLE EXT/READ SECTOR(S) EXT
READ FP DMA QUEUED
WRITE DMA/WRITE MULTIPLE/WRITE SECTOR(S)
WRITE DMA EXT/WRITE MULTIPLE EXT/WRITE SECTOR(S) EXT
WRITE DMA FUA EXT/WRITE MULTIPLE FUA EXT
WRITE FP DMA QUEUED
SMART
2) A COMRESET is issued or the power is turned off.
3) When HOST CRC ERROR has occurred.
C141-E244
6-15
Содержание MHV2160BT
Страница 1: ...C141 E244 01EN MHV2200BT MHV2160BT DISK DRIVES PRODUCT MANUAL ...
Страница 4: ...This page is intentionally left blank ...
Страница 8: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 12: ...This page is intentionally left blank ...
Страница 42: ...This page is intentionally left blank ...
Страница 68: ...Theory of Device Operation Figure 4 7 Physical sector servo configuration on disk surface 4 16 C141 E244 ...
Страница 72: ...This page is intentionally left blank ...
Страница 252: ...This page is intentionally left blank ...
Страница 274: ...This page is intentionally left blank ...
Страница 278: ...This page is intentionally left blank ...
Страница 280: ...This page is intentionally left blank ...
Страница 288: ...This page is intentionally left blank ...
Страница 290: ...This page is intentionally left blank ...
Страница 291: ......
Страница 292: ......