HP Dx2250 Hardware Reference Guide - dx2250 MT - Page 13

Installing Additional Memory, DIMMs, DDR2-SDRAM DIMMs - maximum memory

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Installing Additional Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to two industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. The sockets are labeled DIMM1 and DIMM2. To achieve the maximum memory support, you can populate the system board with up to 2GB (2 x 1GB) of memory. DDR2-SDRAM DIMMs For proper system operation, the DDR2-SDRAM DIMMs must be: ● industry-standard 240-pin ● unbuffered PC2-5300 667 MHz-compliant ● 1.9 volt DDR2-SDRAM DIMMs The DDR2-SDRAM DIMMs must also: ● support CAS latency 4 (CL = 4) for PC2-5300 667 MHz ● contain the mandatory JEDEC SPD information In addition, the computer supports: ● 256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported NOTE The system will not start if you install unsupported DIMMs. ENWW Installing Additional Memory 7

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Installing Additional Memory
The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-
SDRAM) dual inline memory modules (DIMMs).
DIMMs
The memory sockets on the system board can be populated with up to two industry-standard DIMMs.
These memory sockets are populated with at least one preinstalled DIMM. The sockets are labeled
DIMM1 and DIMM2. To achieve the maximum memory support, you can populate the system board
with up to 2GB (2 x 1GB) of memory.
DDR2-SDRAM DIMMs
For proper system operation, the DDR2-SDRAM DIMMs must be:
●
industry-standard 240-pin
●
unbuffered PC2-5300 667 MHz-compliant
●
1.9 volt DDR2-SDRAM DIMMs
The DDR2-SDRAM DIMMs must also:
●
support CAS latency 4 (CL = 4) for PC2-5300 667 MHz
●
contain the mandatory JEDEC SPD information
In addition, the computer supports:
●
256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies
●
single-sided and double-sided DIMMs
●
DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not
supported
NOTE
The system will not start if you install unsupported DIMMs.
ENWW
Installing Additional Memory
7