Visible to Intel only — GUID: jpw1715691537765
Ixiasoft
Visible to Intel only — GUID: jpw1715691537765
Ixiasoft
7.5.1.2. DIMM Options
The table below shows a pin comparison of UDIMM, SODIMM, and RDIMM modules up to dual rank. You should always check your memory vendor’s data sheet to be sure.
Pins | UDIMM Pins | SODIMM Pins | RDIMM Pins |
---|---|---|---|
Data | 72 bit DQ[31:0]_A DQ[31:0]_B CB[3:0]_A CB[3:0]_B |
72 bit DQ[31:0]_A DQ[31:0]_B CB[3:0]_A CB[3:0]_B |
80 bit DQ[31:0]_A DQ[31:0]_B CB[7:0]_A CB[7:0]_B |
Data Mask | DM[3:0]_A_n(1) DM[3:0]_B_n(1) |
DM[3:0]_A_n(1) DM[3:0]_B_n(1) |
DM[4:0]_A_n(1) DM[4:0]_B_n(1) |
Data Strobe | x8: DQS[4:0]_A_t DQS[4:0]_A_c DQS[4:0]_B_t DQS[4:0]_B_c |
x8: DQS[4:0]_A_t DQS[4:0]_A_c DQS[4:0]_B_t DQS[4:0]_B_c |
x8: DQS[4:0]_A_t DQS[4:0]_A_c DQS[4:0]_B_t DQS[4:0]_B_c x4: DQS[9:0]_A_t DQS[9:0]_A_c DQS[9:0]_B_t DQS[9:0]_B_c |
Command / Address | CA[12:0}_A CA[12:0}_B CA[1:0}_A_n CA[1:0}_B_n |
CA[12:0}_A CA[12:0}_B CA[1:0}_A_n CA[1:0}_B_n |
CA[6:0]_A CA[6:0]_B CS[1:0]_A_n CS[1:0]_B_n |
Clock | CK[1:0]_A_t CK[1:0]_A_c CK[1:0]_B_t CK[1:0]_B_c |
CK[1:0]_A_t CK[1:0]_A_c CK[1:0]_B_t CK[1:0]_B_c |
CK_t CK_c |
Parity | ALERT_n |
ALERT_n |
ALERT_n PAR_A PAR_B |
Other Pins | RESET_n HSDA, HSCL, HSA |
RESET_n HSDA, HSCL, HSA |
RESET_n HSDA, HSCLL, HSA LBD/RSP_A_n LBS/RSP_B_n |
Notes to Table:
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