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A
S
BOUT THE
ERVER
RDIMM/RRDIMM Power Consumption 800 4Gb
RDIMM/LRDIMM
S
R
OCKET
S
DD
LOT
A/
PK/
/
R
S
DPC
DIM
DIM
C
T
HAN
YP
M
M
NEL
E
RDI
SR
2.2
MM
RDI
DR
3.0
MM
3
3
RDI
QR
N/A
MM
LR-
RDI
QR
5.1
MM
800 4G
B
3-
W
S
C
IGM
A/
A/
S
TE
A
C
V
A/
S
H
R
P
TEP
V
A/
R
VR
2.5
6.7
20.2
8.9
8.5
3.4
9.0
24.7
9.8
9.5
N/A
N/A
N/A
N/A
N/A
15.
6.2
37.2
15.6
15.3
2
Suspend to RAM (S3) Support
The S210-MBT2W Extreme Server SKU must support Suspend
to RAM (ACPI S3) in order to qualify for the Windows Logo Cer-
tification. The recommendation from Architecture is to support
the Shady Cove (Thurley Extreme Server SKU) S3 switching
circuits. Reviewing the P-FET circuit below:
When DC is off, Vgs > 0, the P-FET is off, and
P12V_P5V_AUX comes from P5V_STBY.
When DC is on, Vgs < -4.5V, the P-FET is on, and
P12V_P5V_AUX comes from P12V3A.
When in S3, the CPLD will enable the memory VDDQ VRs to
support the DDR3 DRAM power. When in S4 or S5, the CPLD
will disable the memory VDDQ VRs thereby shutting down
DDR3 DRAM power.
See the following schema for details on S3 switch circuit.
1-23
S
RAM (S3) S
USPEND TO
UPPORT
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