Supermicro 2026TT-H6RF Manual do Utilizador descarregar pdf (Página 45)

Chapter 5: Advanced Serverboard Setup

5-9

5-5 Adding PCI Expansion Cards

PCI Express Slot

The 2026TT-HTRF/HIBXRF/HIBQRF includes four preinstalled riser cards designed

speciﬁ cally for use in the SC217HQ-R1400BP 2U rackmount chassis (one cards for

each node). These riser cards support four low-proﬁ le PCI Express x16 expansion

cards to ﬁ t inside the chassis.

PCI Expansion Card Installation

A riser card has already been preinstalled into each serverboard. Perform the fol-

lowing steps to add a PCI expansion card:

Remove the PCI slot shield on the chassis by releasing the locking tab.1.

Insert the expansion card into the riser card.2.

Secure the expansion card with the locking tab.3.

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

Due to the 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. Refer to the table below.

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 105 106

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