User manual ABIT AN52 AN52S

[. . . ] About this Manual: This user's manual contains all the information you may need for setting up this motherboard. To read the user's manual of PDF format (readable by Adobe Reader), place the "Driver & Utility CD" into the CD-ROM drive in your system. Copyright and Warranty Notice The information in this document is subject to change without notice and does not represent a commitment on part of the vendor, who assumes no liability or responsibility for any errors that may appear in this manual. No warranty or representation, either expressed or implied, is made with respect to the quality, accuracy or fitness for any particular part of this document. [. . . ] Leave this setting at default unless the current voltage setting cannot be detected or is not correct. The option "User Define" enables you to select the following voltages manually. Click <Enter> key to enter its submenu: IDE Channel 1 Master/Slave, SATA Channel 1~4 When set to [Auto], the BIOS will automatically check what kind of IDE or SATA hard drive you are using. If you want to define your own drive yourself, set it to [Manual] and make sure you fully understand the meaning of the parameters. Leave this item at its default [Auto] setting to detect the access mode of your HDD automatically. capacity This item displays the approximate capacity of the disk drive. Usually the size is slightly greater than the size of a formatted disk given by a disk-checking program. Precomp This item displays the number of cylinders at which to change the write timing. Floppy 3 Mode Support This item allows you to use "3 Mode Floppy Drive" in Japanese computer systems by selecting drive A, B, or both. Leave this item at its default [Disabled] setting if you are not using this Japanese standard floppy drive. Halt On This item determines whether the system stops if an error is detected during system boot-up. [All Errors]: The system-boot will stop whenever the BIOS detect a non-fatal error. The value of the base memory is typically 640K for systems with 640K or more memory size installed on the motherboard. Extended Memory This item displays the amount of extended memory detected during system boot-up. Quick Power On Self Test When set to [Enabled], this item speeds up the Power On Self Test (POST) after powering on the system. Click <Enter> key to enter its submenu: By pressing <Enter> key, you can enter its submenu where the hard disks detected can be selected for the booting sequence to boot up system. This item functions only when there is the option of [Hard Disk] in any one of the First/Second/Third Boot Device items. First Boot Device / Second Boot Device / Third Boot Device / Boot Other Device Select the drive to boot first, second and third in the [First Boot Device], [Second Boot Device], and [Third Boot Device] items respectively. the BIOS will boot the operating system according to the sequence of the drive selected. Set [Boot Other Device] to [Enabled] if you wish to boot from another device other than these three items. Security Option This item determines when the system will prompt for password - every time the system boots or only when enters the BIOS setup. If you forget the password, you will have to open the computer case and clear all information in the CMOS before you can start up the system. [. . . ] Remove all the unnecessary add-on devices (except the CPU, VGA card, DRAM, and Power Supply), and then reboot. If the trouble still exists, try another VGA card of different brand/model to see if the system will start. If the trouble still exists, try another memory module of different brand/model. If the system runs successfully, shut it down and start re-installing the interface cards and devices that were previously installed in the system. [. . . ]