BIOS DVPro T10B3, Руководство пользователя, Страница: 20 / 65

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WRITE MODE
BUFFERD
Write command is acknowledged as “Completed” right after data
written into cache, and cached data starts to be moved into disks
at the same time.
Write Back
WRITE MODE
PENDING
0.1Sec
After caching the first host WRITE, the cache content will only be
flushed into disk if there is more than 0.1 sec host idle or cache
threshold is met. When doing sequential writes, cache will be
filled by multiple write command and data can be written once to
save total write time.
Default
WRITE MODE
PENDING
1 Sec
Similar to PENDING 0.1 sec, the wait interval is one second.

Verify Mode Setup
VERIFY WAIT
READ aft WRITE
Verify Mode allows you to setup the action for ATA WRITE VERIFY command.
“No Verify” will take
‘WRITE VERIFY’ command as a simple ‘WRITE’ without waiting verification to be completed.
Upon READ request after a WRITE command,
“NO READ aft WRITE”, means to use cached content to
respond a READ command after WRITE.
“READ aft WRITE” means cache data was disgarded and
controller has to read data from disk
Parameter Function Memo
VERIFY
WAITRead aft
Write
The Write Verify command cannot be completed at the time data
written into cache. It has to wait till Verification completed. And
the written data in cache will be discarded. The data will be read
from the disk when a read request comes in.
Default
VERIFY
NO READ aft
WRT
The Write Verify command cannot be completed at the time data
written into cache. It has to wait till Verification completed. And
use the written data in cache for following READ command
usage.
NO VERIFY
Read aft Write
Write Verify command is treated as Write without verification. And
the written data in cache will be discarded. The data will be read
from the disk when a read request comes in.
NO VERIFY
NO READ aft
WRITE
Write Verify command is treated as Write without verification. And
use the written data in cache for following READ command
usage.

Read Ahead Setup
READ AHEAD
64 KB
This is to set size of data to prefetch into cache for read operation.
Parameter Function Memo
READ AHEAD
0 KB
Do not do read ahead.
You might like to use this setting if read data is frequenty changed