These are documented in the Library Index Spreadsheet (4.8 MB). P-CAD 2006 Libraries (536 MB) This download includes the entire set of P-CAD 2006 libraries (which are the same set of libraries delivered with P-CAD 2004). To install the SP1 update, you will require the installation of P-CAD 2006. P-CAD 2006 Service Pack 1 (26.6 MB) P-CAD 2006 Service Pack 1 (SP1) includes over 140 features and enhancements. To install the SP2 update, you will require the installation of P-CAD 2006. P-CAD 2006 Service Pack 2 (29.7 MB) P-CAD 2006 Service Pack 2 (SP2) includes over 80 features and enhancements, further strengthening system performance and delivering increased stability.