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Green rectangular RAM stick with gold edge connectors and black chips

IBM

IBM 256 MB PC133U-222-542 CL2 01K1149 memory card

SKU CH-5S02-DNZMS

256 MB PC133 SDRAM module running at 133 MHz with CL2 latency

  • 256 MB capacity for legacy system upgrades
  • PC133 133 MHz synchronous operation
  • CL2 latency for responsive timing
  • Hynix-manufactured module with IBM part number 01K1149

256 MB PC133U SDRAM Module

This is a 256 MB PC133U-222-542 CL2 memory card identified by part number 01K1149. It operates at 133 MHz with a CAS latency of 2 cycles. The module is supplied new and carries the Hynix branding shown in the supplier data.

Suitable for legacy PC133 systems

This module suits owners of legacy desktops or workstations that require PC133 SDRAM at 133 MHz with CL2 timing. It is not suitable for systems that use DDR or later memory standards, nor for builds needing higher capacities or faster clock rates than those specified.

Highlights

  • 256 MB capacity for legacy system upgrades
  • PC133 133 MHz synchronous operation
  • CL2 latency for responsive timing
  • Hynix-manufactured module with IBM part number 01K1149

Specifications

No published specifications for this item yet.

Questions about this item

What does the 256 MB capacity mean once the module is installed in a real machine?

The module provides 256 MB of addressable system memory for the operating system and applications.

What does the PC133U-222-542 designation tell me about the interface and its practical limit?

It identifies a PC133 SDRAM interface rated at 133 MHz with CL2 latency, capping the data rate at 133 MT/s.

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