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Chapter 5: Advanced Serverboard Setup
5-9
5-5 Adding PCI Cards
PCI Express Slot
The 6026TT-GTRF/GIBXRF/GIBQRF includes two preinstalled riser cards designed
specifi cally for use in the SC827HD-R1400B 2U rackmount chassis (one card for
each node). These riser cards each support one (two total for the system) full-height,
full-length PCI Express x16 cards.
PCI Card Installation
A riser card has already been preinstalled into each serverboard. Perform the fol-
lowing steps to add a PCI add-on card:
Remove the PCI slot shield on the chassis by releasing the locking tab.1.
Insert the add-on card into the riser card.2.
Secure the add-on card with the locking tab.3.
Note: riser cards for PCI add-on cards cannot be used when the server is confi g-
ured with GPUs.
Possible System Memory Allocation & Availability
System Device Size Physical Memory Remaining
(Available)
(3 GB Total System Memory)
Physical Memory Remaining
(Available)
(4 GB Total System Memory)
Firmware Hub
fl ash memory
(System BIOS)
1 MB 3.00 3.99
Local APIC 4 KB 3.00 3.99
Area Reserved
for the chipset
2 MB 3.00 3.99
I/O APIC (4
Kbytes)
4 KB 3.00 3.99
PCI Enumeration
Area 1
256 MB 3.00 3.76
PCI Express (256
MB)
256 MB 3.00 3.51
PCI Enumeration
Area 2 (if needed)
-Aligned on 256-
MB boundary-
512 MB 3.00 3.01
VGA Memory 16 MB 2.85 2.85
TSEG 1 MB 2.84 2.84
Memory available
to OS & other
applications
2.84 2.84