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48 Removing and Replacing Parts zt1100/xz100 and xt1000 Series
Troubleshooting and Self-Repair Guide
Removing an SDRAM Module
The notebook has no SDRAM built into its motherboard, but has two slots for PC133 SDRAM
modules: a system SDRAM slot beneath the keyboard (containing an SDRAM module installed at the
factory), and an expansion slot on the bottom of the unit.
Table 7. SDRAM Module Replacement Part Numbers
Description Part Number Exchange Part Number
Module, SDRAM, 128 MB, PC133 SODIMM 1818-8504
Module, SDRAM, 256 MB, PC133 SODIMM 1818-8635
Module, SDRAM, 512 MB, PC133 SODIMM 1818-8604 F2298-69001
Caution
Provide proper grounding and handle the SDRAM module only by its edges, or you could
damage the module through electrostatic discharge.
Required Equipment
• #0 Phillips screwdriver.
Removing an Expansion SDRAM Module
Removal Procedure
1. Unplug the AC adapter, if present, and remove the battery.
2. On the bottom of the notebook, loosen the screw holding the SDRAM cover (the cover retains the
screws), and remove the cover.
3. Press outward to release the latches at the sides of the SDRAM module (so that the free edge of
the module pops up), then pull the module out of the connector.
Figure 17. Removing an Expansion SDRAM Module