B-22 | ni.com
Appendix B Hardware Configuration
Installing DDR Modules
Follow these steps to install DDR modules:
1. Remove power from system.
2. Press the cover release buttons on the top of the RMC-8356.
3. Push the cover backward to remove it.
Table B-44. System Memory Allocation and Availability
System Device Size
Physical Memory
Available (4 GB Total
System Memory)
Firmware hub flash memory (system
BIOS)
1 MB 3.99 GB
Local APIC 4 KB 3.99 GB
Area reserved for the chipset 2 MB 3.99 GB
I/O APIC (4 KB) 4 KB 3.99 GB
PCI enumeration area 1 256 MB 3.76 GB
PCI Express (256 MB) 256 MB 3.51 GB
PCI enumeration area 2 (if needed)
(aligned on 256 MB boundary)
512 MB 3.01 GB
VGA memory 16 MB 2.85 GB
TSEG 1 MB 2.84 GB
Memory available for the OS and other
applications
— 2.84 GB