184 pin DIMM DDR

DIMM=Dual Inline Memory Module

184 pin DIMM

• ECC
• Registred/Unregistred
• Single/Dual Rank

Pinout

184 PIN DIMM at the computer.

Front

Back

Notes

• Pin 10 is NC (not connected) for Unregistred modules. Pin 10 is RESET# for registred modules.
• Pin 97 is DQS9 for Single Rank and DM0 for Dual Rank.
• Pin 107 is DQS10 for Single Rank and DM1 for Dual Rank.
• Pin 111 is NC (not connected) for Single Rank and CKE1 for Dual Rank.
• Pin 115 is NC (not connected) for 256MB. Pin 115 is A12 for 512MB, 1GB, and 2GB.
• Pin 119 is DQS11 for Single Rank and DM2 for Dual Rank.
• Pin 129 is DQS12 for Single Rank and DM3 for Dual Rank.
• Pin 140 is DQS17 for Single Rank and DM8 for Dual Rank.
• Pin 149 is DQS13 for Single Rank and DM4 for Dual Rank.
• Pin 158 is NC (not connected) for Single Rank. Pin 158 is S1# for Dual Rank.
• Pin 159 is DQS14 for Single Rank and DM5 for Dual Rank.
• Pin 167 is NC (not connected) for 256MB, 512MB, and 1GB. Pin 167 is A13 for 2GB.
• Pin 169 is DQS15 for Single Rank and DM6 for Dual Rank.
• Pin 177 is DQS16 for Single Rank and DM7 for Dual Rank.

Contributors

• Joakim Ögren

Source

• 256MB, 512MB, 1GB, 2GB (x72, ECC, SR) 184-PIN DDR SDRAM RDIMM datasheet
• 512MB, 1GB (x72, ECC, DR) 184-PIN DDR SDRAM RDIMM datasheet
• Micron datasheet