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https://acer.id-drivercan.com/driver/4057366/
ACER Aspire 4740 1. Adds Arrandale K0 stepping (CPUID : 20655) Microcode revision 00000002.n2. Update Arrandale Framework:1.30 to 1.40.n3. Fix Hy driver download gratis (ver. 1.10)
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