Using the System Setup Program 4-9
Figure 4-5. Advanced Chipset Configuration Submenu
The Advanced Chipset Configuration submenu contains
the following categories.
Base Memory Size
The Base Memory Size category selects the amount of
memory available to MS-DOS programs that do not use
extended or expanded memory. The default value for the
Base Memory Size category is 640 KB, which includes
1 kilobyte (KB) reserved for system use. The alternate
base memory option is 512 KB.
VGA Buffer Attributes
If this category is set to USWC (Uncacheable Specula-
tive Write Combined), the microprocessor(s) can perform
speculative combining while writing to the video graph-
ics array (VGA) frame buffer. Unless a VGA controller
that supports this feature is installed in the system, this
category should be set to Uncacheable (the default).
Cache Mode
This category sets the microprocessor’s built-in cache
memory to use Write Back mode (the default) or Write
Through mode.
SMM
This category enables system management mode, includ-
ing event logging and error correction code (ECC)
memory support. The default setting is Disabled.
MPS Version
This category specifies the multiprocessing specification
(MPS) number used by the operating system. This cate-
gory is set by Dell to 1.4, which is the correct value for
the Dell PowerEdge 6100 system. If the system setup
program categories are reset to their default values, you
need to change this value from 1.1 to 1.4.
Base Memory 640 KB
VGA Buffer Attributes Uncacheable
Cache Mode Write Back
SMM Enabled
MPS Version 1.4
Second I/O APIC Disabled
PIC Interrupt Routing Default
IOQ Depth Auto Configure
GAT Mode Aliased
Outbound Posting Disabled
PCI Line Prefetch Enabled
Addr Bit Permuting Disabled
Chip Set Register Settings Auto Configure
AERR Mode Enabled
EERR Mode Disabled
PERR Mode Disabled
F1 Help
ESC Back
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F5 Setup Defaults
F6 Previous Value
F10 Save & Exit
Advanced Chipset Configuration
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