Dell Precision T7400 (Late 2007) - Manual (Page 80)

80 System Setup
HDD Acoustic
Mode Optimizes the drive’s performance and acoustic levels.
• Bypass - do nothing (needed for older drives)
• Quiet - slower, but quieter
• Suggested - allows the drive manufacturer to select mode
• Performance - faster, but noisier.
Snoop Filter Enabling the snoop filter typically improves performance
by reducing snoop traffic on the frontside bus in dual
processor configurations.
ACL Prefetch When enabled, the Adjacent Cache Line Prefetcher
fetches both cache lines that comprise a cache line pair
when it determines required data is not currently in its
cache. When disabled, the processor will only fetch the
cache line required by the processor.
HW Prefetch Fetches an extra line of data into L2 from external
memory.
FSB
Optimization Allows users to turn on/off optimization for high-
bandwidth, Front-Side bus applications.
Security
Unlock Setup
Locked
default) When an administrator password is being used, allows the
user access to modify system setup settings. Enter the
administrator password at the prompt to unlock system setup.
If the correct password is not entered here, the user can view
but not modify system setup fields.
Admin
Password
(Not Set
default) Displays the current status of your system setup program’s
password security feature and allows you to verify and assign a
new admin password.
System
Password
(Not Set
default) Displays the current status of the system's password security
feature and allows a new system password to be assigned and
verified.