AOpen AP55CS, Руководство пользователя

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AMI BIOS
4-14 User’s Guide
Primary Controller 32-bit Transfer
Enabling this function improves disk performance of the PCI IDE
functioning as primary controller by increasing the data transfer rate
from 16 bit to 32 bit. However, if you select the add-on card to
function as the primary controller, you must check your add-on card
manual before enabling the parameter. The default setting is
Disabled .
Primary Master
ADVANCED PIO
This parameter lets you set the PIO mode that the master drive
connected to the primary IDE connector supports. The selections are
from Mode 0 to Mode 4, Auto and Disabled. Set this parameter
either by entering the PIO mode manually or selecting Auto to
automatically detect the supported PIO mode. Disable the parameter
to bypass the feature. The default is Auto .
BLOCK MODE
Enabling this feature enhances the performance of the disk
functioning as primary master by allowing the data transfer in block
(multiple sectors). This increases the data transfer rate to 256
bytes/cycle. Disable the parameter to disregard the feature. The
default setting is
Disabled
.