A+ SERVER
Note 2: Due to memory allocation to system devices, the amount of memory that remains available for operational use will be reduced when 4 GB of RAM is used. The reduction in memory availability is disproportional.
Possible System Memory Allocation & Availability
System Device
Size | Physical Memory Available |
| (4 GB Total System Memory) |
|
|
Firmware Hub flash memory (System BIOS) Local APIC
Area Reserved for the chipset
I/O APIC (4 Kbytes)
PCI Enumeration Area 1
PCI Express (256 MB)
PCI Enumeration Area 2 (if needed) - aligned on 256 MB boundary
VGA Memory
TSEG
Memory available for the OS & other applications
1 MB | 3.99 GB | |
4 KB | 3.99 GB | |
2 MB | 3.99 GB | |
4 KB | 3.99 GB | |
256 MB | 3.76 GB | |
256 MB | 3.51 GB | |
512 MB | 3.01 GB | |
16 MB | 2.85 GB | |
1 MB | 2.84 GB | |
| 2.84 GB | |
| ||
|
|
5-7 Adding PCI Expansion Cards
The
Installing an Expansion Card
1.After powering down the system, remove the PCI slot shield.
2.Confirm that you have the correct riser card for your chassis model and the expansion card includes a standard bracket.
3.Remove the chassis cover.
4.Install the riser card by sliding it into the appropriate socket in the motherboard.
5.Choose the PCI slot shield in which to place the expansion card.
6.In that slot, open the PCI slot shield lever and slide the shield sideways.
7.From inside the chassis, remove the PCI slot shield.
8.Slide the expansion card into the riser card and attach the expansion card bracket in place of the PCI slot shield.
9.Secure the expansion card by closing the PCI slot shield lever.
10.Connect cables to the expansion card as necessary.