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Green 200-pin DDR2 SODIMM module with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM256645300SO 2GB DDR2 667MHz SODIMM memory upgrade for Asus Eee PC T91Mt

SKU CH-0SJW-3DCGA

2GB DDR2 667MHz SODIMM module with CL5 timing and 1.8V operation, validated for Asus Eee PC T91Mt

  • Capacity2GB
  • Type200-Pin DDR2 SO-DIMM
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Timing5-5-5
  • Voltage1.8V
  • 2 GB capacity extends multitasking on the Eee PC T91Mt
  • DDR2 667 MHz speed matches the Atom memory bus limit
  • CL5 5-5-5 timing keeps latency low for responsive operation
  • 200-pin SO-DIMM form factor fits the single expansion socket
  • Unbuffered non-ECC design works with the notebook's standard memory controller

2GB DDR2 SO-DIMM for Asus Eee PC T91Mt

This 200-pin DDR2 module delivers 2 GB of memory at 667 MHz with CL5 timings. It is built specifically for the Asus Eee PC T91Mt netbook where only one SO-DIMM slot exists. The unbuffered, non-ECC design matches the original factory specification for this platform.

Sustained operation at 667 MHz with 1.8 V

The Intel Atom processor in the T91Mt locks the memory bus to 667 MHz even though the chipset accepts faster modules. Under continuous workloads the stick runs at its rated 5-5-5 latency without throttling because the low voltage and lack of a heat spreader keep thermals within the netbook's slim chassis limits.

DDR2 interface ceiling and single-slot constraint

The DDR2 SO-DIMM interface tops out at the PC2-5300 data rate used here; no higher DDR2 speed grade exists for this form factor. Because the T91Mt provides only one memory socket, total system memory cannot exceed the 2 GB this module supplies, so buyers needing more capacity must choose a different platform.

Highlights

  • 2 GB capacity extends multitasking on the Eee PC T91Mt
  • DDR2 667 MHz speed matches the Atom memory bus limit
  • CL5 5-5-5 timing keeps latency low for responsive operation
  • 200-pin SO-DIMM form factor fits the single expansion socket
  • Unbuffered non-ECC design works with the notebook's standard memory controller

Specifications

BrandComputer Memory Solutions
ModelCM256645300SO
Capacity2GB
Type200-Pin DDR2 SO-DIMM
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Timing5-5-5
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemAsus/Asmobile Eee Pc T91Mt
Package Content1 Memory RAM Stick

Questions about this item

Does the 1.8 V DDR2 module run cool enough for all-day use in the fanless Eee PC T91Mt?

Yes — the SODIMM operates at the standard 1.8 V DDR2 voltage with no heat spreader, matching the original specification so it adds no extra thermal load to the passively cooled chassis.

Is the laptop’s single 200-pin DDR2 SO-DIMM slot the only thing needed to install this stick?

Exactly — the T91Mt provides one 200-pin DDR2 SO-DIMM socket and supports a maximum of 2 GB, so this 2 GB module fills the sole slot with no additional parts required.

Will the Intel Atom’s 667 MHz memory bus limit this PC2-5300 module in the T91Mt?

The module is rated for 667 MHz and the Atom controller runs the bus at up to 667 MHz, so the memory operates at its full rated speed without down-clocking.

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