The IBM/Lenovo PS/1 Willow Series 2133-451 uses - - memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type - -
Base Memory 2MB (Removable) submodels 461, 451, 452, or 4MB (Removable) all other submodels
Upgrade Slots 2 Sockets submodels 461, 451, 452, or 4 Sockets all other submodels
Maximum Memory 32MB submodels 461, 451, 452, or 64MB all other submodels
Maximum Module Size
CPU & Chipset Intel i486SX 25 MHz
Bus Architecture AT; ISA

We currently do not offer any upgrades or upgrades are currently unavailable for purchase online. Please contact us to order upgrades for this device.


Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTM0128T 4MB Module Kingston
KTM0130T 8MB Module Kingston
KTM0160T 16MB Module Kingston
KTM0902T 2MB Module Kingston