Acer Aspire M5-481PT Acer Aspire M5-481T, PT, and TG Notebook Service Guide - Page 49

System LED Indicator Lock Item System state HDD access state Wireless state Power button backlight Battery state Specification  Caps Lock on = Blue  Caps Lock on = Blue  Blue color on: System on  Blue color and amber color off: System off  Amber color on: S3 HDD access active = Blue Wifi on = Amber  Blue color solid on: System on  Blue color off: System off  Full charging = Blue  Battery charging = Amber System DMA Specification Legacy Mode DMA4 Power Management Direct memory access controller System Interrupt Specification Hardware IRQ IRQ0 IRQ1 IRQ8 IRQ12 IRQ13 IRQ81 ~ IRQ190 PCI10 PCI16 PCI16 PCI16 PCI16 PCI16 PCI17 System Function System timer Standard PS/2 Keyboard System CMOS/real time clock ELAN Ps/2 Port Smart-Pad Numberic data processor Microsoft ACPI-Compliant Intel(R) 7 Series/C216 Chipset Family SMBus Host Controller 1E22 Intel(R) 7 Series/C216 Chipset Family USB Enhanced Host Controller - 1E2D Intel(R) 7 Series/C216 chipset family PCI Express Root Port 2 1E12 Intel(R) 7 Mangement Engine Interface NVIDIA GeForce GT 640M LE Xeon(R) processor E3-1200 v2/3rd Gen Core processor PCI Express Root Port -0151 Intel(R) 7 Series/C216 Chipset Family PCI Express Root Port 1 - 1E10 Hardware Specifications and Configurations 1-39