ECS Motherboard User Manual page 52

Motherboard User's Guide
BootUp Num-Lock
This item determines if the Num Lock key is active or inactive at
system start-up time.
Boot To OS/2> 64MB
Enable this item if you are booting the OS/2 operating system and
you have more than 64MB of system memory installed.
Graphic Win Size
This item defines the size of aperture if you use a graphic adapter.
DRAM CAS# Latency
This item determines the operation of SDRAM memory CAS
(column address strobe). It is recommended that you leave this
item at the default value. The 2T setting requires faster memory
that specifically supports this mode.
Performance Mode Select
You can enable this item to achieve a better performance; how-
ever, it is necessary to use a better DDR SDRAM going with this
function.
MA 1T/2T Select
This item adjusts timing 1T/2T latency. We recommend you to
leave this item at the default value.
Hyper Threading Function
If your P4 CPU is not HT CPU, this item will be hidden. If your
P4 CPU is HT CPU, BIOS will show this item. You can set
"Disabled" or "Enabled" to control HT CPU support in O.S. Set
"Enabled" to test HT CPU function.
Auto detect DIMM/PCI Clk
When this item is enabled, BIOS will disable the clock signal of
free DIMM/PCI slots.
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