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EPC-3307 Hardware Reference
34
Cache Memory sub-menu
The options in this sub-menu control the cacheability of certain memory regions
and also the settings of the Level 2 (L2) cache.
Figure 3-9. Cache Memory sub-menu
Main
F1
Help
↑↓
Select Item
-/+
Change Values
F9
Setup Defaults
ESC
Exit
←→
Select Menu
Enter Select Sub-Menu
F10
Save and Exit
PhoenixBIOS Setup Utility
Advanced
<Tab>, <Shift-Tab>, or <Enter>
selects field.
Item Specific Help
Memory Cache:
[Enabled]
Cache System BIOS Area:
[Write Protect]
Cache Video BIOS Area:
[Write Protect]
Cache Base 0–512k:
[Write Back]
Cache Base 512k–640k:
[Write Back]
Cache Extended Memory Area[Write Back]
Cache A000 – AFFF:
[Disabled]
Cache B000 – BFFF:
[Disabled]
Cache C800 – CBFF:
[Disabled]
Cache CC00 – CFFF:
[Disabled]
Cache D000 – D3FF:
[Disabled]
Cache D400 – D7FF:
[Disabled]
Cache D800 – DBFF:
[Disabled]
Cache DC00 – DFFF:
[Disabled]
Cache E000 – E3FF:
[Write Protect]
Memory Cache
Field
Description
Memory Cache
Determines whether to use L1 and L2 memory caching.
You can select one of these:
•
Enabled (default)
: L1 and L2 memory caching occurs.
•
Disabled
: L1 and L2 memory caching does not occur.
Cache System BIOS Area
Determines whether the System BIOS is cached in DRAM.
You can select one of these:
•
Write Protect (default)
: caches the System BIOS in the
F0000h through FFFFFh DRAM area
•
uncached
: Does not cache the system BIOS.
Cache Video BIOS Area
Determines whether the VGA BIOS is cached in a region.
You can select one of these:
•
Write Protect (default)
: caches the VGA BIOS in the
C0000h through C7FFFh region.
•
uncached
: Does not cache the VGA BIOS.
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