Chapter 2: Installation
2-7
DDR2 ECC (Buffered) Memory
Notch
Notch
Release Tab
Release Tab
FAN3
FAN1
FAN2
JWD1
JPL1
JPG1
JPL2
JP
A1
JF1
X7DCT-10G
JWR1
LED2
JBT1
TLAN
I2CPWR
USB2/3
PCI-Exp. x16
SGPIO
USB4
PWR_BKPlane
JWR2
COM
SATA3
SATA2
SATA1
SATA0
DIMM3A
DIMM3B
DIMM1A
DIMM1B
DIMM2A
DIMM2B
SIMSO
CPU1
LAN1
CPU2
LAN2
USB0/1
VGA
Battery
SPKR
LAN
CTRL
Super IO
LAN
CTRL
VGA CTRL
10Gb LAN CTRL
South Bridge
North Bridge
82573V
82573L
ES1000
82598EB
ATI
Intel
Intel
Intel
Intel
ICH9R
Intel
5100
LED3
SPI BIOS
To I n s t a l l:
I n s e r t
module vertically and
press down until it
snaps into place. Pay
attention to the align-
ment notch at the
bottom.
Installing and Removing DIMMs
To Remove:
Use your thumbs to
gently push the re-
lease tabs near both
ends of the module
to release it from the
slot.
Possible System Memory Allocation & Availability
System Device
Size
Physical Memory
Remaining (-Available)
(4 GB Total System Memory)
Firmware Hub fl ash memory (System BIOS)
1 MB
3.99
Local APIC
4 KB
3.99
Area Reserved for the chipset
2 MB
3.99
I/O APIC (4 Kbytes)
4 KB
3.99
PCI Enumeration Area 1
256 MB
3.76
PCI Express (256 MB)
256 MB
3.51
PCI Enumeration Area 2 (if needed) -Aligned on 256-
MB boundary-
512 MB
3.01
VGA Memory
16 MB
2.85
TSEG
1 MB
2.84
Memory available to OS and other applications
2.84
Top View of DDR2 ECC Slot
Release Tab
Release Tab