Host Controller Card
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How to "Enable USB Host controllers in the BIOS"?
I have downloaded VIA USB 2.0 Driver for Windows 98 SE because my USB card reader is detected by Win 98 and also it does not detect and does not shows the removable drive of Mobile phone when I connect it to the computer. And as I run the setup of VIA USB 2.0 Driver for Windows 98 SE it says the following, "Enable USB Host controllers in the BIOS" how to do that I do not know. I'm new to this please can help me from the scratch/beginning.
Thanks in advance.
BIOS Settings
Common BIOS Problems
Many USB Problems are the result of improper settings in the BIOS. To achieve proper USB connectivity the BIOS needs to be a properly working partner.
Enable USB in the BIOS
USB is often disabled by Default in the BIOS. To enable USB in the BIOS one or more of the following statements must be true.
*
USB Keyboard - DOS or Enabled (Even if you have NO USB Keyboard)
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Legacy USB Support - Enabled
and/or
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Assign IRQ for USB - Enabled (Some combinations of OS and BIOS version require this setting to be Disabled).
If there are NO references to USB in the BIOS setup, your BIOS Version Needs To Be Updated.
The BIOS version does NOT support USB.
Vintage 1996-97 motherboards, even those with USB pinouts (AT Style) almost always require a BIOS update to achieve proper USB connectivity. Generally, a BIOS date of June 1998 or newer is required for Win9x systems. A BIOS date of October 1999 or newer is usually required for systems running Windows 2000. New Operating Systems require new BIOS revisions.
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BIOS Agent - Free Software Reports Your BIOS Details and Configuration
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BadFlash - Good Information and Help
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CTBIOS - Small DOS program that identifies the BIOS and motherboard - Program is in German but, you'll get the idea
Improperly updating the BIOS can render a system inoperable and unbootable. Follow ALL manufacturers instructions carefully when updating the BIOS. Clear the CMOS with the jumper (see manual) and reset all BIOS data before rebooting to Windows.
BIOS settings Effecting USB
BIOS settings that effect the operation of Universal Serial Bus are shown optimized for USB. The most common BIOS settings that effect USB performance are:
Over-clocking
*
Reset the FSB to Default
Aggressive memory settings (Turbo/Fast)
*
Reset to Normal or Default
Lack of usable IRQs
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Com1 and Com2 can be disabled if not used, allowing the OS to use these IRQs for other devices.
Plug and Play OS – Disabled
* Older Win9x (Socket 7 based) systems may require this option to be Enabled to allow Windows controlled IRQ Steering to operate correctly. Toggle ON or OFF as your system requires.
IRQs Assigned – Auto
Power Management – Disabled
* The Operating System should control Power Management.
ACPI - Disabled
* ACPI enabled in the BIOS is the source of many USB problems. If you are having problems with USB, ACPI should be disabled. Unfortunately, simply resetting the switch in the BIOS may not be enough. Normally, a reinstall of the operating system will be necessary. Remember to backup your data before you reinstall the OS. I recommend a clean install to a newly formatted hard drive.
USB Keyboard – Enabled or DOS
Assign IRQ for USB – This setting varies by motherboard type. The “rule of thumb” is, Enabled for Win2000 and Disabled for Win9X. Try both settings if you are having problems.
BIOS Date
If you are installing USB for the first time a BIOS update may be needed, especially if your motherboard is vintage 1996-97. The leading cause of USB failure in these motherboards is a BIOS version that predates Win98, June 1998. If you are unable to update the BIOS to June 1998 or later, your chances of installing correctly working USB is greatly diminished.
For more information on determining your motherboard type and updating your BIOS go here:
Once you have identified your motherboard, go to the manufacturer’s web site and check for a BIOS update. Most Mainboard manufacturers are listed here:
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USBMan BIOS Download Site - Listed by Manufacturer
http://www.usbman.com/Guides/bios_update_sites.htm
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