Keywords

#serial_presence_detect

Serial presence detect

Standardized way to automatically access information about a memory module

In computing, serial presence detect (SPD) is a standardized way to automatically access information about a memory module. Earlier 72-pin SIMMs included five pins that provided five bits of parallel presence detect (PPD) data, but the 168-pin DIMM standard changed to a serial presence detect to encode more information.

Fri 23rd

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Serial presence detect DDR3 SDRAM EEPROM Flash memory Memory timings I²C SPD (disambiguation) DIMM System Management Bus Power-on self-test
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