HP D315 Hardware Reference Guide -- Compaq D315 - Page 17

Installing Additional Memory, DIMMs, DDR-SDRAM DIMMs - engine

Page 17 highlights

Hardware Upgrades Installing Additional Memory The computer comes with Double Data Rate-Synchronous dynamic random access memory (DDR-SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with industry-standard DIMMs. These memory module slots are populated with at least one preinstalled memory module. To achieve the maximum memory support, you may be required to replace the preinstalled DIMM with a higher capacity DIMM. DDR-SDRAM DIMMs For proper system operation, if your system supports DDR-SDRAM DIMMs, the DIMMs must be industry-standard 184-pin, unbuffered PC 2100 266 MHz-compliant, 2.5 volt DDR-SDRAM DIMMs. The DDR-SDRAM DIMMs must support CAS Latency 2 or 2.5 (CL = 2 or CL = 2.5). They must also contain the mandatory Joint Electronic Device Engineering Council (JEDEC) Serial Presence Detect (SPD) information. DIMMs constructed with x4 SDRAM are not supported; the system will not start using unsupported DIMMs. ✎ The nVidia nForce chipset does not support ECC memory. Hardware Reference Guide 2-5

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Hardware Reference Guide
2–5
Hardware Upgrades
Installing Additional Memory
The computer comes with Double Data Rate-Synchronous dynamic
random access memory (DDR-SDRAM) dual inline memory
modules (DIMMs).
DIMMs
The memory sockets on the system board can be populated with
industry-standard DIMMs. These memory module slots are populated
with at least one preinstalled memory module. To achieve the
maximum memory support, you may be required to replace the
preinstalled DIMM with a higher capacity DIMM.
DDR-SDRAM DIMMs
For proper system operation, if your system supports DDR-SDRAM
DIMMs, the DIMMs must be industry-standard 184-pin, unbuffered
PC 2100 266 MHz-compliant, 2.5 volt DDR-SDRAM DIMMs. The
DDR-SDRAM DIMMs must support CAS Latency 2 or 2.5 (CL = 2
or CL = 2.5). They must also contain the mandatory Joint Electronic
Device Engineering Council (JEDEC) Serial Presence Detect (SPD)
information. DIMMs constructed with x4 SDRAM are not supported;
the system will not start using unsupported DIMMs.
The nVidia nForce chipset does not support ECC memory.