Memory At 15Mb-16Mb Reserved For; Memory Parity Mode - Acer Power User Manual

Memory at 15MB-16MB Reserved for

To prevent memory address conflicts between the system and expansion boards, reserve
this memory range for the use of either the system or an expansion board. The default
setting is System.

Memory Parity Mode

This parameter allows you to enable or disable the ECC (Error Checking and Correction)
feature. The ECC feature enables BIOS to detect and correct data errors. Disable this
parameter if you want to disregard the function. The default setting is Disabled.
AcerPower Minitower (M11E/IDCATX-2) User's Guide