Allen-Bradley 1747-OC Series, User Manual

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1747-UM001A-US-P - March 2000
Modifying BIOS Settings 3-7
Default BIOS Settings for the
1747-OCE The following tables describe the fields and default BIOS settings for the
1747-OCE.
Standard CMOS Setup (default BIOS settings for the 1747-OCE)
This field: Description:
Date/Time Set the time and date for the real time clock that is built into the open controller CPU
module. The clock keeps track of time even when the open controller system is off.
Default
Current date and time
Floppy Drives Use this setting to tell the open controller CPU module if any floppy drives are installed
and what size they are.
Default
Not Installed
Hard Drives There is one primary master, IDE connector built into the open controller CPU module for
the FlashDrive. Most of the time the open controller can automatically determine the
settings on a hard drive. If this is the case, leave the settings on Auto. If the open
controller doesn’t determine the size of a hard drive, consult the drive documentation and
enter the appropriate settings.
Default
LBA BLK PIO 32Bit
Mode Mode Mode Mode
Pri Master Auto Off Off Auto Off
Pri Slave Not Installed
Sec Master Auto Off Off Auto Off
Sec Slave Not Installed
Important: Set
LBA Mode
to
On
if the drive is greater than 512 Mbytes.
To view or change drive settings, place the cursor on
Auto
and press
[Enter]
. This
changes
Auto
to
User
and displays the drive settings.
Boot Sector Virus Protection This option allows the BIOS to scan the boot sector on startup for viruses. When enabled,
AMIBIOS warns the user when any program attempts to write to or format the boot sector
and allows the user to intervene.
Default
Disabled
Allen-Bradley HMIs