Download Intel A300 User's Manual

A300 Motherboard
2.8.3.2 Super I/O Enhanced Hardware Monitor
The Super I/O Enhanced Hardware Monitor monitors three thermal inputs, VBAT
internally, and eight voltage monitor inputs. These hardware parameters are reported in
the BIOS and can be read from the BIOS Hardware Health Configuration menu.
2.8.3.3 Super I/O Fan Speed Controller
The Super I/O fan speed controller enables the system to monitor the speed of the fan.
One of the pins on the fan connector is reserved for fan speed detection and interfaced to
the fan speed controller on the Super I/O. The fan speed is then reported in the BIOS.
2.8.3.4 Super I/O Keyboard Controller
The Super I/O keyboard controller can execute the 8042 instruction set. Some of the
keyboard controller features are listed below:
The 8042 instruction is compatible with a PS/2 keyboard and PS/2 mouse
Gate A20 and Keyboard reset output
Supports multiple keyboard power on events
Supports mouse double-click and/or mouse move power on events
2.8.4 LPC I/O Chipset
The LPC I/O chipset is connected to the ICH4 through the LPC bus and complies with the
Intel® Low Pin Count Specification Rev. 1.0. The LPC I/O chipset supports two standard
serial ports.
2.9 Environmental and Power Specifications
2.9.1 System Monitoring
Three thermal inputs on the A-300 Super I/O Enhanced Hardware Monitor monitor the
following temperatures:
System temperature
Temperature Sensor #1
Page 22