Download Method and apparatus for automatic L2 cache ECC configuration in

U.S. Patent
Apr. 3, 2001
Sheet 2 012
US 6,212,631 B1
7%
'/74
'/7O
MEMORY
ECC
L2 CACHE
ECC
CONFlGURATlON
BENEFIT
Y
Y
Y - RELIABILITY
N
N
Y - PERFORMANCE
CONFIGURATION
Y
N
N ' NON OPT'MAL \76o
AVOIDED WITH L2
N
Y
N - NON OPTIMAL \76b
NON-OPTIMAL
CACHE ECC AUTO
Fig. 3
Dell Dimension XPS R400 Setup
Main Advanced Security Eower Boot Exit
BIOS Version
Processor type
4S4EBOX1.1OA.DO0D.D (ADD)
Pentium (R) It processor
Processor speed
Cache RAM
400 MHz
512 KB
Service Tog
System Memory
M5JNS
64 MB
Memory Bank 0
Memory Bank 1
Memory Bank 2
64 MB SDRAM
Not installed
Not installed
Language:
36
English (US)]
ECC Configuration
ECC]x88
L2 Cache ECC Support:
[AUT0]\84
System Time:
\
[09.25.0411
System Date:
82
[04/09/1999]
F1 Help
ESC Exit
Select Item
<_>Sele<:t Menu
F9
F10 Save
Setup and
Defaults
Exit “I