IBM Netfinity 3500 M10, User Handbook Manual

Page: 52 / 268

Advanced Setup
If you select Advanced Setup from the Configuration/Setup Utility
main menu, you can view and, in some cases, change settings for
advanced hardware features, including ROM shadowing, PCI
control, and Plug and Play Control. These settings must be
configured correctly; otherwise, your server might malfunction.
Advanced Setup Descriptions
Cache Control
Cache State
L2 Cache Size
The Cache Control menu shows how much cache memory is
installed and lets you enable or disable its use.
Cache memory is special buffer storage that holds frequently
used instructions and data, and works faster than main
memory. With cache memory enabled, most of your programs
will run faster. If you run programs that require slower
speeds, you can disable cache memory to slow down your
server.
ROM Shadowing The ROM Shadowing menu shows which system devices are
using read-only memory (ROM) shadowing. With ROM
shadowing, your server stores data from the specified device in
random access memory (RAM). Because your server can access
data in RAM faster than it can access data from ROM,
programs run faster when ROM shadowing is enabled.
If you install an adapter that has its own ROM, you can enable
the ROM shadowing option for that adapter to speed up its
performance.
Note: The ROM Shadowing option might not work on adapters
that use memory-mapped I/O, such as network
adapters.
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Netfinity 3500 M10 User's Handbook