VIA kt266a north bridge 's ram controller* can jam unless very well cooled
 

Even with silver paste & a ¼" thick h-sink ( of Jetway V266B ) & 8cm fan
cooled, @133.9mhz fsb ( CL 2 / 3 ) with 2 pc150 dimms,* will jam in
intensive usage ( dvd fast fwd, ram stress test ) in 29°C air, yet no
tmperature sensor is built in.
Users in warm climate beware, can use BCM diagnostic
www.bcm.com/utilities/utilities.htm to study this : * does not jam in dos
stress test, can jam only in GUI ( Win98se / ME ).