2 Rank 1R = Single rank
2R = Dual rank
4R = Quad rank
8R = Octal rank
3 Data width on DRAM x4 = 4-bit
x8 = 8-bit
4 Memory generation PC4 = DDR4
5 Maximum memory speed 3200 MT/s
6 CAS latency AA = CAS 22-22-22
AA = CAS 26-22-22 (for 3DS LRDIMM)
7 DIMM type E = Unbuffered ECC (UDIMM)
R = RDIMM (registered)
L = LRDIMM (load reduced)
ItemItem DescriptionDescription ExampleExample
System maintenance switch descriptionsSystem maintenance switch descriptions
PositionPosition DefaultDefault FunctionFunction
S1 Off
Off = iLO 5 security is enabled.
On = iLO 5 security is disabled.
S2 Off Reserved
S3 Off Reserved
S4 Off Reserved
S5 Off
Off = Power-on password is enabled.
On = Power-on password is disabled.
S6 Off
Off = No function
On = Restore default manufacturing settings
S7 Off Reserved
S8 — Reserved
S9 — Reserved
S10 — Reserved
S11 — Reserved
S12 — Reserved
To access the redundant ROM, set S1, S5, and S6 to On.
When the system maintenance switch position 6 is set to the On position, the system is prepared to restore all configuration settings
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