Tyan 1.01 User Manual

ADDENDUM

The following section pertains to pages 6, 13, 22, and 37 of the Thunder LE
S2510 User Manual Rev. 1.01

About Flashing your BIOS

Every BIOS file is unique for the motherboard it was designed for. For Flash Utilities, BIOS downloads,
and information on how to properly use the Flash Utility with your motherboard, you must check the Tyan
website: http://www.tyan.com

IMPORTANT! If you have a BIOS chip with part number SST 28SF040A (see Figure 3.1 below), DO
NOT flash with a BIOS that is below v1.04. Otherwise, you will render your system inoperable. In order to
find out if you have the SST 28SF040A, you will need to peel back the sticker (see Figure 3.0 below). If
you have a different chip other than the SST 28SF040A, this addendum does not affect you.

Please be aware that by flash ing your BIOS, you a gree that in the eve nt of a BIOS
flash failure, you must contact your dealer fo r a replacement BIOS. T here are no

NOTE:

exceptions. Tyan does not have a policy of replacing B IOS chips directly with end
users. In no event will Tyan be held responsible for damage done to the BIOS by the
end user.

, and to the

Rev. 1.00 manual (in general).

Figure 3.0 - Peeling back the sticker

Figure 3.1

SST 28SF040A

AMI

BIOS

The following section pertains to pages 4, 5, 13, 20, 29, 31, and 38-48 of the

Thunder LE S2510 User Manual Rev. 1.01, and to the Rev. 1.00 manual (in
general).

About the SCSI bus

SCSI bus speed is dependent on both the PCI device installed, and the SCSI chip installed, so you must
do one of the following for proper SCSI operation:

If you have an LSI 53C1010-66 SCSI chip onboard, open J60.
If you have an LSI 53C1010-33 SCSI chip onboard, close J60.

The following section pertains to pages 4, 5, 13, 20, 29, 31, and

Thunder LE S2510 User Manual Rev. 1.01

, and to the

Rev. 1.00 manual (in

38-48

general).

About the 66MHz PCI bus

66MHz speed on the PCI bus will not be enabled if one or more of the following occurs:

J60 is closed
If there is/are a 33MHz PCI card(s) installed into the 66MHz PCI slot(s)
If the CPU(s) have a limit of 100MHz FSB

of the