Security Menu - NEC MH4500 User Manual

Feature
Address Bit Permuting
Base RAM Step
Extended RAM Step
L2 Cache
ISA Expansion Aliasing
Memory Scrubbing
Read Prefetch for
PXBOA
Read Prefetch for
PBXOB

Security Menu

The following table lists the settings for the Security Menu.
Note:
requires a password for entering Setup. The passwords are
not case sensitive.
Feature
User Password is
3-10 Configuring Your System
Advanced Chipset Control Submenu
Choice Description
Disabled To be enabled, there must be a
Enabled power of 2 number of rows, all rows
must be the same size, and all
populated rows must be adjacent
and start at row 0. Two-way or four-
way permuting is set automatically
based on memory configuration.
1 MB Tests base memory once per MB,
1 KB once per KB, or every location.
Every location
1 MB Tests extended memory once per
1 KB MB, once per KB, or every location.
Every location
Enabled When enabled, secondary cache is
Disabled sized and enabled. For Core Clock
Frequency-to-System Bus ratios
equal to two, BIOS automatically
disables the L2 cache.
Enabled When enabled, every I/O access
Disabled with an address in the range
x100-x3FFh, x500-x7FFh,
x900-xBFF, and xD00-xFFFh is
internally aliased to the range
0100-03FFh before any other
address range checking is
performed.
Disabled When enabled, BIOS automatically
Enabled detects and corrects SBEs.
16 Configures the number of Dwords
32 that are prefetched on Memory
64 Read Multiple commands.
16 Configures the number of Dwords
32 that are prefetched on Memory
64 Read Multiple commands.
Enabling the Administrator Password field
Security Menu
Choice Description
Clear Status only; user cannot modify.
Once set, this can be disabled by
Your Setting
Your Setting