CPU

Hi sirving35,

Dell has tested Inspiron 1545 with Intel Celeron and Intel Core 2 Duo processors.  You may check the list of processors tested by Dell on your computer below:

• 2 Ghz, 667 Mhz, 1MB L2 cache(575)
• 2.16 Ghz, 667 Mhz, 1MB L2 cache(585)
• 2 Ghz, 1 Ghz, 3MB L2 cache (P7350)
• 2.26 Ghz, 1 Ghz, 3MB L2 cache (P8400)
• 2.4 Ghz, 1 Ghz, 3MB L2 cache (P8600)
• 2.53 Ghz, 1 Ghz, 6MB L2 cache (T9400)
• 2.2 GHz, 800 MHz, 2 MB L2 cache (T6600)
• 2 GHz, 800 MHz, 2 MB L2 cache (T6400)
• 2.2 Ghz, 800 MHz, 2MB L2 cache (T5900)
• 2 Ghz, 800 MHz, 2MB L2 cache (T5800)
• 2 GHz, 800 MHz, 1 MB L2 cache (T4200)
• 2.16 Ghz, 667 MHz, 1MB L2 cache (T3400)
• 2 Ghz, 667 MHz, 1MB L2 cache (T3200)
• 1.83 Ghz, 667 MHz, 1MB L2 cache (T1700)
• 1.66 Ghz, 667 MHz, 1MB L2 cache (T1600)
• 2.53GHz, 3MB cache, 1Ghz bus, Intel P8700
• 2.13GHz, 3MB cache, 1Ghz bus, Intel P7450

Your computer is shipped with a UMA motherboard with an Intel GM 45 chipset. For more information on this chipset, you may refer to link: http://intel.ly/VVBKPJ 

Click on the compatible products to get the list of processors compatible with your computer.  Before you upgrade processor, please ensure to update system BIOS. 

Dell does not recommend or offer processor upgrade but it is as your discretion in case you really wish to go  ahead with it. Warranty per say, issues arising due to the upgrade will not be covered under warranty , however we will continue providing support for other issues and parts.  

Please reply for further clarifications.