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Home » Motherboard
BIOS Setup
Author: Gabriel Torres
Type: Tutorials Last Updated: July 1, 2004
Page: 3 of 13
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Basic CMOS Setup

Basic setup doesn't present any difficulties in its setup There you must find:

  • System date and time in the date and time options.
  • Floppy unit types installed in the computer. You must configure the type of the A and B floppy drive units that are installed in your computer (if 2.88 MB, 1.44 MB, 1.2 MB, 720 KB or 360 KB). A common error done by beginners is to think that in order to change A unit with B unit (that is, to call the present A unit as B and vice versa) one must just change the configuration here. But that is not totally correct. In order to change unit A with unit B one must really open the computer e change the flat cable positions connecting the units to the controllers (usually in motherboard). The unit installed in flat cable end will always be A, and the unit connected to the mid-cable connector will only be B unit. As presently most computers have just one unit (A unit of 1.44 MB), you must set B unit as Not Installed.
  • Hard disk geometry. This is the most difficult setup of basic setup but fortunately there is an option in setup main menu - called HDD Auto Detection, IDE Setup or alike, that as we've seen last week, reads hard disk data e configures hard disk geometry automatically. Therefore there is nothing to worry about.
  • Video card type. Configure as EGA/VGA. Some people may get confused here. This options configures the video board type installed in the computer and not the video display. There is an option called Monochrome referring to an eventually installed MDA board. If you have a computer equipped with a VGA or Super VGA video board, and a monochrome display installed, the correct option is EGA/VGA that configures the installed video board, and not Monochrome, once your video board is not a MDA card.

That's it. Some setups may display some additional options:

  • Floppy Mode 3 Support: There is a Japanese 3 ½" floppy disk unit of 1.2 MB - instead of 1.44 MB - and in order to be recognized by the computer one must enable this option. As you most certainly don't have this type of unit installed, leave it Disabled.
  • Halt On: This option tells the computer in which error condition it has to halt during the machine initial self test (POST). The default options is "All Errors", that is in any detected error situation during self test the computer shall halt and a message will be displayed. At the "All but keyboard" option, the computer will halt in all types of error except keyboard errors. And so on according to the remaining available options. Our suggestion is that you set this option as "All Errors".
  • Daylight Saving: This is not a very common option and probably you'll find it only in the older makes. This option enables the automatic adjustments for daylight saving time. It happens that this adjustment is based on USA where summer occurs during our winter and therefore this option must stay disabled.

Naturally some computers may display some additional basic setup information like installed RAM size. But the options you'll find out in all setups are those we discussed today.

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