Compaq d538 HP Compaq Business Desktops d530 Convertible Minitower - Hardware - Page 23

Installing Additional Memory, DIMMs, DDR-SDRAM DIMMs

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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 up to four industrystandard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 4GB of memory configured in a high-performing dual channel mode. DDR-SDRAM DIMMs For proper system operation, if the computer supports DDR-SDRAM DIMMs, the DIMMs must be: industry-standard 1874-pin unbuffered PC2100 266 MHz, PC2700 333 MHz, or PC3200 400 MHz compliant 2.5 volt DDR-SDRAM DIMMs The DDR-SDRAM DIMMs must also: support CAS latency 2 or 2.5 (CL = 2 or CL = 2.5) contain mandatory JEDEC SPD information In addition, the computer supports: 128M bit, 256 Mbit, and 512bit 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 The following processor bus frequencies are required for the system to run at the supported memory frequencies. Hardware Reference Guide 2-7

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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 up to four industry-
standard DIMMs. These memory sockets are populated with at least one preinstalled
DIMM. To achieve the maximum memory support, you can populate the system
board with up to 4GB of memory configured in a high-performing dual channel
mode.
DDR-SDRAM DIMMs
For proper system operation, if the computer supports DDR-SDRAM DIMMs, the
DIMMs must be:
industry-standard 1874-pin
unbuffered PC2100 266 MHz, PC2700 333 MHz, or PC3200 400 MHz
compliant
2.5 volt DDR-SDRAM DIMMs
The DDR-SDRAM DIMMs must also:
support CAS latency 2 or 2.5 (CL = 2 or CL = 2.5)
contain mandatory JEDEC SPD information
In addition, the computer supports:
128M bit, 256 Mbit, and 512bit 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
The following processor bus frequencies are required for the system to run at the
supported memory frequencies.
Hardware Reference Guide
2-7