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Green circuit board with gold edge connectors and black memory chips

Computer Memory Solutions

Computer Memory Solutions 1GB DDR2 667 PC2-5300 240-pin DIMM A103

SKU CH-ZM0A-4K09Y

A 1 GB DDR2 667 module for HP/Compaq dc5700, dc7600, dc7700, dc7800 and dx2255 desktops

  • Capacity1GB
  • Type240-Pin DDR2 SDRAM
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Timing5-5-5
  • Voltage1.8V
  • 1GB DDR2 667 MHz module upgrades HP Business Desktops dc5700, dc7600, dc7700, dc7800, dx2255
  • 240-pin DIMM fits existing motherboard slots without adapters
  • PC2-5300 CL5 timing delivers responsive performance for legacy systems
  • 8 V unbuffered non-ECC design matches original factory specifications
  • Single 1 GB stick enables dual-channel mode when paired with identical module

1GB DDR2 667 PC2-5300 DIMM

This 1GB DDR2 667 PC2-5300 240-pin DIMM is built for HP and Compaq business desktops. It runs at 1.8V with CL5 5-5-5 timing and uses unbuffered, non-ECC chips in a 2Rx8 configuration. The module is designed as a direct drop-in upgrade for the listed workstation models.

Suits owners of HP dc5700, dc7600, dc7700.

Buyers needing ECC error correction or registered buffering should look elsewhere, as this stick provides neither. Systems that require a different pin count, voltage or DDR generation cannot use this module. The single 1GB capacity also limits total memory on boards with few slots.

PC2-5300 667 MHz speed rating

The decisive specification is the PC2-5300 667 MHz rating, which must match the memory controller of the target HP desktop. Installing a module with a different speed grade or latency will prevent the system from booting or force it to run at a lower speed.

Points forts

  • 1GB DDR2 667 MHz module upgrades HP Business Desktops dc5700, dc7600, dc7700, dc7800, dx2255
  • 240-pin DIMM fits existing motherboard slots without adapters
  • PC2-5300 CL5 timing delivers responsive performance for legacy systems
  • 8 V unbuffered non-ECC design matches original factory specifications
  • Single 1 GB stick enables dual-channel mode when paired with identical module

Caractéristiques

BrandComputer Memory Solutions
ModelCM128645300DIMMDR
Capacity1GB
Type240-Pin DDR2 SDRAM
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Timing5-5-5
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHp Business Desktop Dc5700, Dc7600, Dc7700, Dc7800, Dx2255
Package Content1 Memory RAM Stick

Questions sur cet article

What speed does the DDR2 667 (PC2-5300) interface actually run at in these HP desktops?

The module is rated for DDR2-667 (PC2-5300) at 1.8 V, but several listed systems such as the DC7700P Ultra-Slim and DX2060 only support DDR2-533 MHz, so the memory will downclock to 533 MHz in those models.

Will this 240-pin DIMM fit the small-form-factor and ultra-slim HP chassis listed?

Yes — the stick uses the standard 240-pin DDR2 DIMM form factor, which is the same physical size used across the DC5100 SFF, DC7600 SFF, DC7700 SFF and DC7700 Ultra-Slim desktops.

How do I install the module so the system recognises it in dual-channel mode?

Install the DIMM in the lowest-numbered slot of each memory channel (usually the black slots first); the common mistake is populating only one channel or mixing slots, which forces single-channel operation.

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