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// PCB Board Connectors

DDR1 DIMM Slot 184-Pin

DDR1 (DDR SDRAM) uses a 184-pin DIMM slot operating at 2.5V with speeds from DDR-200 to DDR-400. Used in PCs from 2000 to 2004 before DDR2 replaced it.

// Specifications
Standard
JEDEC DDR JESD79
Pin Count
184
Voltage
2.5V
Speeds
DDR-200 to DDR-400
Status
Legacy completely obsolete
Use Case
PCs from 2000-2004
// Pin Reference Table
Pin Name Function Type
1 VSS Ground GND
2 DQ0 Data bit 0 I/O
184 VSS Ground GND