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                            | Memory Upgrade for Compaq Presario 12XL421 |  
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                            | Memory Specification |  
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			| Base Memory | 64 MB (non-removeable) |  
			| Max Memory | 320 MB |  
			| Memory Slots | 1 socket |  
			| Memory Comments | PC100 SDRAM SODIMMs |  
			| CPU Type |  |  
			| Model Comments | 100MHz FSB |  |  
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                            | Memory Details |  
                            | The Compaq Presario 12XL421 takes the PC100 SDRAM SODIMMs Memory Type, installed with 64 MB (non-removeable) of Memory. Upgrade your Compaq Presario 12XL421 up to 320 MB Memory, this system comes with 1 socket sockets to install Memory, and already with 64 MB (non-removeable) of standard Memory installed.
 Please choose the following RAM listed below.
 
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                            | Compatible Memory Upgrade for Compaq Presario 12XL421 |  
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			| Memory size | Chip Description | PartNumber | OEM Part# |  
			| 32MB Module | 4x64-100MHz PC100, 144p SO DIMM, 3.3v, Sync | 326cm-131 | 401061-B21 |  
			| 64MB Module | 8x64-100MHz PC100, 144p SO DIMM, 3.3v, Sync | 328cm-139 | 401062-B21 |  
			| 128MB Module | 16x64-100MHz PC100, 144p SO DIMM, 3.3v, Sync | 330cm-069 | 401063-B21 |  
			| 256MB Module | 32x64-100MHz PC100, 144p SODIMM, 3.3v, Sync | 360cm-077 | 176673-B21 |  
			|  |  | * Click  Your Part Number and Continue |  |  |  
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