BIOS Setup
4-11
Boot To OS/2
This allows you to run the OS/2
®
operating system with DRAM larger than
64MB. When you choose
No
, you cannot run the OS/2
®
operating system
with DRAM larger than 64MB. But it is possible if you choose
Yes
.
CPU L1 & L2 Cache
Cache memory is additional memory that is much faster than conventional
DRAM (system memory). When the CPU requests data, the system trans-
fers the requested data from the main DRAM into cache memory, for even
faster access by the CPU. This setting enables/disables the internal cache
(also known as L1 or level 1 cache) and external cache (also known as L2 or
level 2 cache). Settings are:
Enabled
and
Disabled
.
System BIOS Cacheable
Selecting
Enabled
allows caching of the system BIOS ROM at F0000h-FFFFFh,
resulting in better system performance. However, if any program writes to this
memory area, a system error may result. Setting options:
Enabled, Disabled
.
C000, 32k Shadow
This item specifies how the contents of the adapter ROM named in the item are
handled. Settings are described below:
Flash Protection
This function protects the BIOS from accidental corruption by unauthorized
users or computer viruses. When enabled, the BIOS’s data cannot be changed
when attempting to update the BIOS with a Flash utility. To successfully
update the BIOS, you’ll need to disable this BIOS Flash Write Control function.
You should enable this function at all times. The only time when you need to
disable the function is when you want to update the BIOS. After updating the
BIOS, you should immediately re-enable it to protect the BIOS against viruses.
Option
Description
Disabled
The specified ROM is not copied to RAM.
Enabled
The contents of specified ROM are copied to RAM
for faster system performance.
Cached
The contents of specified ROM are not only copied
to RAM, the contents of the ROM area can be writ-
ten to and read from cache memory.
