RadiSys EPS-6315, Hardware Reference Manual, Page: 48 / 123

EPC
®
-6315 Hardware Reference
38
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 4-8. 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: [Write
Protect]
Cache CC00– CFFF: [Disabled]
Cache D000– D3FF: [Disabled]
Cache D400– D7FF: [Disabled]
Memory Cache
Field Description
Memory Cache Determines whether to use L2 memory caching. You can
select one of these:
•
Enabled (default) : L2 memory caching occurs.
• Disabled : 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 DRAM.
You can select one of these:
•
Write Protect (default) : caches the VGA BIOS in the
C0000h through C7FFFh DRAM region.
• uncached : Does not cache the VGA BIOS.