Please note that the Intel busmaster drivers that are shipped with your mainboard are only to be used with Windows 95 retail version. OSR2 (Windows 95b) and OSR2.1/2.5 and Windows 98 already have their own busmaster compatible drivers.

According to Intel, in order to utilize Bus Master IDE technology your system must have all of the following elements:

1. bus master compatible logic on your system motherboard
2. bus master compatible BIOS
3. a multi-tasking operating system (OS) such as Windows 95
4. a bus mastering aware device driver for your operating system
5. a bus mastering compatible IDE device (disk drive, CD-ROM) that supports "DMA multi-word" modes
6. a high level of compatibility validation, such as commonly performed by an OEM, which is required to ensure that all these complex elements function properly together

All elements of your PC system should be `aware` of the busmastering technology in order to be able to use it. Furthermore, only heavy users, users who do a lot of multi-tasking and use very demanding applications, will really benefit from using this technology. So if you are experiencing problems when using IDE busmastering drivers, the problem is most likely due to incompatible components in your system. Removing the drivers will solve your problem.

Information on Intel's busmaster drivers on the internet:

• Intel Busmaster Drivers Troubleshooting
• Intel's website busmaster driver download page

In my 6ITS manual on page 30 it shows that I can select a Maximum Sync Transfer Rate of up to 40 Mb/sec., but when I enter the BIOS setup, it only allows me to set a speed of up to 20 Mb/sec. Is this an error in the manual ?

No, this is not an error in the manual. You will first have to set the 'Support for Ultra SCSI Speed', which is mentioned on page 32, to 'Enable', before you can change the Maximum Sync Transfer Rate to 40 Mb/sec.

Can SIMM and DIMM memory modules be used together on my Chaintech mainboard ?

Yes, you can. Chaintech mainboards work well with most of the SIMM and DIMM modules in the market. Once the SIMM or DIMMs work well on the mainboard individually, there should be no problem in using them together (mixed) on the mainboard.

However, since SIMM`s use 5V and DIMM`s only 3V, during the mixed SIMM/DIMM operation the DIMM`s will be exposed to the 5V meant for the SIMM modules. This over-voltage may reduce the life cycle of the DIMM`s in the long term !

Which SCSI controllers are supported by the mainboard`s SCSI BIOS ?

Some Chaintech mainboards` BIOS versions contain a Symbios SCSI BIOS. This SCSI BIOS supports the NCR 53C810, 53C815, 53C865 SCSI chip based controllers.

After installing my AGP card and checking in Win95 Device Manager, it shows a memory conflict. What`s wrong ?

There is nothing wrong here. You can use your AGP card without problems despite this message. The message is as follows:

Memory range D9000000 - D901FFFF
D8000000 - D87FFFFF
D8800000 - D8FFFFFF
Used by PCI standard PCI to PCI bridge

The message has to do with the memory allocation for the PCI to PCI bridge under Windows 95. These addresses here are actually not used, so the AGP card can use these addresses without problems. This message will be solved in Windows 98 (Memphis), when AGP will fully be supported.

64MB Memory Modules Support

64MB memory modules are not supported by any of the Chaintech Pentium based mainboards except for the 5TDM2, 5TLM, 5TTL, 5AGM, 5AGM2.

64MB memory modules are also supported by all Chaintech Slot 1 based (Pentium II) mainboards (6LTM, 6LTM2, 6ESA, 6ESA2, 6BTM, 6BTS, 6BDU, etc.).

Why do I have exclamation marks in front of the IDE controller/PCI Bridge under Windows 95 (OSR2) ?

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.

Drivers under Windows 98

Windows 98 has its own busmaster drivers. Also, unlike Windows 95 and OSR2.0/2.1/2.5, it recognizes the Intel TX/LX/BX chipset automatically. When using Windows 98 there is thus no need to install any additional drivers.