SERIES3800/S120T (7045A-C3/7045A-CT) User's Manual

Possible System Memory Allocation & Availability

System Device

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 to OS and other ap- plications

Size

1 MB

4KB

2MB

4KB

256MB

256MB

512MB

16MB

1MB

Physical Memory

Remaining (-Available)

(4 GB Total System Memory)

3.99

3.99

3.99

3.99

3.76

3.51

3.01

2.85

2.84

2.84

Figure 5-3. DIMM Installation

Notch

 

Notch

Release

Note: Notch

Release

Tab

Tab

 

should align

 

 

with its

 

 

receptive point

 

 

on the slot

 

To Install: Insert module vertically and press down until it snaps into place. Pay attention to the bottom notches.

To Remove: Use your thumbs to gently push each release tab outward to free the DIMM from the slot.

5-10

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SUPER MICRO Computer S120T, SERIES3800 user manual Dimm Installation