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Green rectangular RAM stick with gold edge connector and black chips

IBM

IBM ThinkPad 128 MB PC66 144-pin SoDIMM 01K1150 01K1153

SKU CH-TZWW-ZHTMK

128 MB PC66 SDRAM SoDIMM with 144 pins at 66 MHz for compatible ThinkPad notebooks

  • TypeFlash Memory
  • 128 MB capacity extends notebook runtime
  • 66 MHz PC66 speed matches legacy ThinkPad timing
  • 144-pin SoDIMM form factor fits 770 series slots
  • 30 V operation suits original IBM designs
  • Compatible with ThinkPad 770 9548 9549 770E 9548 770ED 9549 600 2645

IBM ThinkPad 128 MB PC66 SoDIMM

This 128 MB SDRAM module uses the PC66 standard at 66 MHz and a 144-pin SoDIMM form factor. It is built for IBM ThinkPad notebooks such as the 770 series and the 600 2645 model. The module operates at 3.30 V and suits users restoring or upgrading compatible legacy laptops.

Before ordering verify your notebook model

Check that your system accepts PC66 SDRAM in a 144-pin SoDIMM slot and runs at 3.30 V. The supported models listed include ThinkPad 770 variants 9548770, 9549770, 770E 9548, 770ED 9549 and 600 2645. Machines requiring a different pin count, voltage or speed will not work with this module.

New condition with gold-edge connector

The module is supplied new and features a standard 144-pin gold-edge connector that seats directly into the notebook memory slot. Physical dimensions are 2.7 inches in length and 157.5 mil in thickness. No brackets or cables are required; installation follows the usual SoDIMM insertion procedure for the listed ThinkPad models.

Highlights

  • 128 MB capacity extends notebook runtime
  • 66 MHz PC66 speed matches legacy ThinkPad timing
  • 144-pin SoDIMM form factor fits 770 series slots
  • 30 V operation suits original IBM designs
  • Compatible with ThinkPad 770 9548 9549 770E 9548 770ED 9549 600 2645

Specifications

BrandIBM
TypeFlash Memory

Questions about this item

What does the 128 MB module include and do I need anything else to install it?

The package contains the 128 MB PC66 SDRAM SoDIMM itself. No extra parts are required; the module plugs directly into a free 144-pin slot.

How do I decide between the 01K1150 and 01K1153 part numbers?

Both numbers refer to the same 128 MB PC66 144-pin SoDIMM; choose whichever part number matches your service manual.

What does the 66 MHz rating mean once the module is fitted in a ThinkPad 770?

The memory will run at 66 MHz, delivering PC66 bandwidth for the 770's SDRAM controller.

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