Windows 95 does not recognize the PIIX4 controller which is used in the Intel TX/LX/BX chipsets. During the installation of Windows 95 it will therefore ask for new drivers for this controller. When this happens, ignore the message and continue to install Windows 95. After the installation is completed, you will see exclamation marks in front of the IDE controller and sometimes also in front of the PCI bridge. These can be removed by means of the !Remover utility which is supplied with your mainboard. This utility is suitable for Windows 95 and Windows 95b OSR2.0 and OSR2.1. If you are using Windows 95 OSR2.5, then you should use this utility to fix this problem.

There are no extra drivers for use under Windows 98. All the drivers which came with your board are for use under Windows 95 only. The Intel busmaster drivers that came with your board are also only for Windows 95 (retail version only !). Windows 98, as well as Windows 95 OSR2.0/2.1/2.5 automatically install and enable busmaster drivers.

For more information on Intel's busmaster drivers please click here and for information and fixes on enabling DMA on Windows based systems please visit Microsoft's website.

It is not possible to adjust the voltage on the CT-6BTM through the BIOS. The CT-6BTM uses an Intel standard solution which assures the correct voltage for the CPU at all times. We have found that in most popular overclocking situations it is not necessary to change the voltage. Furthermore, the chances of really damaging your CPU when increasing the voltage are much higher than when only raising the busfrequency. All this combined with the fact that this board is able to support CPUs worth thousands of US$ has prompted us to decide to use a stable, secure and safe solution which provides a perfect compromise between overclockability, safety and stability.

If you still want to change the voltage, then you might find what you are looking for on the following URL: http://ultimatepc.fsn.net/techinfo/slot1voltage/slot1voltage.htm

The following modules were tested OK (all PC100):

This sound indicates a failure encountered during the first stages of the BIOS startup procedure. The causes of this problem could be ::

1. Memory related:

• the memory modules don't conduct well enough because of damage or dirt buildup
• the memory modules are defective
• the memory sockets are damaged

In order to check if your problem is related to the memory, check the modules and sockets carefully and clean the edges of the memory modules. Try other modules if possible and/or try using them in another socket.

2. Power supply related:

• the powersupply is defective and does not deliver enough power
• the powersupply has compatibility problems with your board;

We have found that sometimes the CT-6BTM can be picky when it comes to powersupplies. After investigating this issue we have found that the cause of this problem lies in the specification margins of certain powersupplies. If the margin becomes too large, the above mentioned problem may occur. In all cases changing the powersupply to another brand would solve the problem.

The problem is caused when the power supply is unable to provide a stable voltage fast enough causing the BIOS POST test to fail. Because the loading on the power supply will also influence this power supply startup time period, the problem will occur more/faster when the system has more components/devices installed and when higher busspeeds are used.

Higher quality powersupplies will have stricter margins and will less likely cause problems. We have tested Delta, Enlight, Seventeam, etc. powersupplies without problems.

If above suggestions do not solve your problem, then contact your dealer and send us an e-mail with the following information: CPU model no. (all details on the CPU package !), mainboard serial no., mainboard PCB version (see BIOS ROM sticker), short description of the problem (problem at first startup or after a while of using, or after adding some component(s), or after a BIOS update)

In order to make ACPI work you will need the following:

1. An ACPI compatible BIOS
2. Install Windows 98 with the option SETUP /P J  , thus installing ACPI support for Windows 98 (default is APM)
3. ACPI compatible display drivers ! At this moment only ATI has these drivers ready. Please check your display card manufacturer for more information on these drivers.
4. Execute the ZVHDD utility. You should just execute this program under Windows 98, after which the suspend-to-disk functions wil be available
   (if above conditions are also met !)

Please take note of the limitations of current implementations of ACPI:

• OnNow (= suspend to DRAM) is not supported by any boards on the market yet. This function requires a total relayout of the mainboard's power structure (separated power for the DRAM and other board components) and a special power supply. Wide scale availability of OnNow compatible mainboards are  expected to hit the market only in the first quarter of 1999.
• The Suspend-to-harddisk function only works if your display driver is ACPI compliant (only ATI has good working drivers at this moment) and only works for IDE HDDs
• CD-ROMs and SCSI HDDs are not controllable by ACPI unless ACPI drivers are available for these devices.

In short, ACPI might not bring the functionality extras (yet) that you might expect from it.

Check in the second page of the BIOS for the option CPU L2 Cache ECC Checking and disable this function.