User Manual - Etilize
User Manual - Etilize User Manual - Etilize
U = Unbuffered DIMM with no ECC (x64-bit primary data bus) aa is the CAS latency, in clocks at maximum operating frequency bb is the JEDEC SPD Revision Encoding and Additions level cc is the reference design file for the design of the DIMM d is the revision number of the reference design of the DIMM Note: To determine the type of a DIMM, see the label on the DIMM. The information on the label is in the format xxxxx nRxxx PC3-xxxxx-xx-xx-xxx. The numeral in the sixth numerical position indicates whether the DIMM is single-rank (n=1) or dual-rank (n=2). The following sections provide additional information specific to unbuffered and registered DIMMs that you must consider. Unbuffered DIMMs (UDIMMs) The following notes provide information that you must consider when you install UDIMMs: v The memory channels run at the fastest common frequency of the installed DIMMs. v Do not use both UDIMMs and RDIMMs in the same server. v Using ECC and non-ECC UDIMMs in the server will cause the server to run in non-ECC mode. v The UDIMM options that are available for the server are 1 GB, 2 GB, and 4 GB (when available) memory DIMMs. v You can install a maximum of 16 GB of memory in some server models when you use UDIMMs. v The server supports up to two single-rank or dual-rank UDIMMs per channel. v DIMM slots 3 and 6 are not supported when you install UDIMMs in the server. Do not install DIMMs in these connectors. v The following table lists the DIMM support compatibility. Table 3. Supported DIMM compatibility Intel quad-core Intel dual-core (Core Intel dual-core DIMM configuration (Xeon 3400 series) i3) (Xeon L3406) UDIMM non-ECC only Not supported Not supported Not supported UDIMM ECC only Supported Supported Supported UDIMM mix ECC with non-ECC Not supported Not supported Not supported RDIMM ECC only Supported Not supported Not supported v The following table lists the supported UDIMM population. Table 4. Supported UDIMM population per channel DIMMs slots per channel DIMMs installed in each channel DIMM type DIMM speed 2 1 Unbuffered DDR3 ECC 2 2 Unbuffered DDR3 ECC 36 System x3200 M3 Types 7327 and 7328: Installation and User’s Guide Ranks per DIMM (any combination) 1066, 1333 single-rank, dual-rank 1066, 1333 single-rank, dual-rank
v The following table lists the maximum DIMM population using ranked UDIMM. Table 5. Maximum memory population using ranked UDIMMs (depending on your model) Number of UDIMMs DIMM type DIMM size Total memory 4 single-rank UDIMMs 1 GB 4 GB 4 single-rank UDIMMs 2 GB 8 GB 4 dual-rank UDIMMs 2 GB 8 GB 4 dual-rank UDIMMs 4 GB (when available) 16 GB v The following table lists the UDIMM memory population rule to optimize the system performance. Table 6. UDIMMs population rule for dual-channel symmetric mode DIMMs connector 1 DIMMs connector 2 DIMMs connector 3 DIMMs connector 4 DIMMs connector 5 DIMMs connector 6 populated empty empty empty empty empty populated empty empty populated empty empty populated populated empty populated populated empty Registered DIMMs (RDIMMs) The following notes provide information that you must consider when you install RDIMMs: v The memory channels run at the fastest common frequency of the installed DIMMs. v Do not use both RDIMMs and UDIMMs in the same server. v The server supports up to three single-rank, dual-rank, or quad-rank RDIMMs per channel. v The RDIMM options that are available for the server are 1 GB, 2 GB, 4 GB, and 8 GB (when available) memory DIMMs. v You can install a maximum of 32 GB of memory in the server when you use RDIMMs. v The following table lists the supported RDIMM population. Table 7. Supported RDIMM population per channel DIMMs slots per channel DIMMs installed in each channel DIMM type DIMM speed 3 1 Registered DDR3 ECC 3 2 Registered DDR3 ECC 3 3 Registered DDR3 ECC 3 1 Registered DDR3 ECC 3 2 Registered DDR3 ECC Ranks per DIMM (any combination) 1066, 1333 single-rank, dual-rank 1066, 1333 single-rank, dual-rank 800 single-rank, dual-rank 1066 quad-rank 800 quad-rank Chapter 2. Installing optional devices 37
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U = Unbuffered DIMM with no ECC (x64-bit primary data bus)<br />
aa is the CAS latency, in clocks at maximum operating frequency<br />
bb is the JEDEC SPD Revision Encoding and Additions level<br />
cc is the reference design file for the design of the DIMM<br />
d is the revision number of the reference design of the DIMM<br />
Note: To determine the type of a DIMM, see the label on the DIMM. The<br />
information on the label is in the format xxxxx nRxxx PC3-xxxxx-xx-xx-xxx. The<br />
numeral in the sixth numerical position indicates whether the DIMM is single-rank<br />
(n=1) or dual-rank (n=2).<br />
The following sections provide additional information specific to unbuffered and<br />
registered DIMMs that you must consider.<br />
Unbuffered DIMMs (UDIMMs)<br />
The following notes provide information that you must consider when you install<br />
UDIMMs:<br />
v The memory channels run at the fastest common frequency of the installed<br />
DIMMs.<br />
v Do not use both UDIMMs and RDIMMs in the same server.<br />
v Using ECC and non-ECC UDIMMs in the server will cause the server to run in<br />
non-ECC mode.<br />
v The UDIMM options that are available for the server are 1 GB, 2 GB, and 4 GB<br />
(when available) memory DIMMs.<br />
v You can install a maximum of 16 GB of memory in some server models when<br />
you use UDIMMs.<br />
v The server supports up to two single-rank or dual-rank UDIMMs per channel.<br />
v DIMM slots 3 and 6 are not supported when you install UDIMMs in the server.<br />
Do not install DIMMs in these connectors.<br />
v The following table lists the DIMM support compatibility.<br />
Table 3. Supported DIMM compatibility<br />
Intel quad-core Intel dual-core (Core Intel dual-core<br />
DIMM configuration (Xeon 3400 series) i3)<br />
(Xeon L3406)<br />
UDIMM non-ECC<br />
only<br />
Not supported Not supported Not supported<br />
UDIMM ECC only Supported Supported Supported<br />
UDIMM mix ECC with<br />
non-ECC<br />
Not supported Not supported Not supported<br />
RDIMM ECC only Supported Not supported Not supported<br />
v The following table lists the supported UDIMM population.<br />
Table 4. Supported UDIMM population per channel<br />
DIMMs slots<br />
per channel<br />
DIMMs installed<br />
in each channel DIMM type DIMM speed<br />
2 1 Unbuffered<br />
DDR3 ECC<br />
2 2 Unbuffered<br />
DDR3 ECC<br />
36 System x3200 M3 Types 7327 and 7328: Installation and <strong>User</strong>’s Guide<br />
Ranks per<br />
DIMM (any<br />
combination)<br />
1066, 1333 single-rank,<br />
dual-rank<br />
1066, 1333 single-rank,<br />
dual-rank
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