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Green circuit board SODIMM memory module with black chips 200 pin DDR1 266MHz

Computer Memory Solutions

Computer Memory Solutions 1GB DDR1 266MHz SODIMM CM128642100SO memory upgrade

SKU CH-8YBJ-GJ09W

1GB DDR1 266MHz SODIMM memory upgrade for Dell Inspiron 1100 notebooks

  • Capacity1GB
  • Type200-Pin DDR SO-DIMM
  • SpeedDDR 266 (PC 2100)
  • CAS LatencyCL2.5
  • Timing2.5-3-3
  • Voltage2.5V
  • 1GB DDR1 266MHz upgrade for Dell Inspiron 1100
  • 200-pin SODIMM fits legacy notebook memory slots
  • CL2.5 2.5-3-3 timing for stable DDR266 operation
  • 5V unbuffered non-ECC module matches original spec
  • Lifetime warranty from Computer Memory Solutions brand

System-specific DDR1 SODIMM for Dell Inspiron 1100

This 1GB module uses 200-pin DDR1 technology running at 266MHz with CL2.5 latency. It is built as an unbuffered, non-ECC stick rated at 2.5V and validated for the Dell Inspiron 1100 notebook series. The single-rank 2Rx8 design fits the original memory slot without modification.

Passive operation with standard DDR1 voltage

The module draws power at the stock 2.5V specification and has no heat spreader, relying on the notebook's existing airflow. Because it is unbuffered and non-ECC, the electrical load matches the factory memory, so fan behaviour and battery runtime stay unchanged. No additional cooling or BIOS voltage tuning is required.

BIOS upgrade A32 enables full capacity recognition

The supplier notes that the system BIOS must be updated to version A32 before the notebook will recognise the full 1GB capacity. The second memory socket may be located under the keyboard, which could affect installation access. The kit contains only the memory stick; no tools, adapters or software are bundled.

Pontos fortes

  • 1GB DDR1 266MHz upgrade for Dell Inspiron 1100
  • 200-pin SODIMM fits legacy notebook memory slots
  • CL2.5 2.5-3-3 timing for stable DDR266 operation
  • 5V unbuffered non-ECC module matches original spec
  • Lifetime warranty from Computer Memory Solutions brand

Especificações

BrandComputer Memory Solutions
ModelCM128642100SO
Capacity1GB
Type200-Pin DDR SO-DIMM
SpeedDDR 266 (PC 2100)
CAS LatencyCL2.5
Timing2.5-3-3
Voltage2.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell Inspiron 1100 Notebook Series
Package Content1 Memory RAM Stick

Perguntas sobre este artigo

How do I install this 200-pin DDR1 SODIMM in a Dell Inspiron 1100 and what step is often missed?

Power off, unplug and remove the battery. Locate the SODIMM slot — one may be under the keyboard. Insert the module at an angle until the contacts disappear, then press down until the clips click. The step often missed is applying the BIOS A32 upgrade before booting, otherwise the system will not recognise the full 1GB.

What maintenance or replacement will this CM128642100SO module need later?

The module itself has no moving parts and requires no scheduled maintenance. If errors appear, reseat the stick and clean the gold contacts with a soft eraser. Replacement is only needed if the module fails or if you upgrade to a newer platform that no longer supports DDR266.

What limit appears first when this 2.5V DDR266 memory runs under sustained load?

The CAS latency of CL2.5 and 2.5-3-3 timings set the access-speed ceiling. Under continuous heavy use the memory controller reaches its bandwidth limit at 266 MHz before thermal throttling becomes a factor, since the stick has no heat spreader and operates at standard 2.5V.

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