IEI Technology eNOVA-945GSE, User Manual

Page: 37 / 211

eNOVA-945GSE Motherboard
Page 21
2.6.2.4 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.
2.6.2.5 Keyboard/Mouse Controller
The Super I/O keyboard/mouse controller can execute the 8042 instruction set. Some of
the keyboard controller features are listed below:
ƒ
The 8042 instruction is compatible with a PS/2 keyboard and PS/2 mouse
ƒ
Gate A20 and Keyboard reset output
ƒ
Supports multiple keyboard power on events
ƒ
Supports mouse double-click and/or mouse move power on events
2.6.2.6 Parallel Port
The multi-mode high-performance parallel port supports the bi-directional Standard
Parallel Port (SPP), the Enhanced Parallel Port (EPP) and the Extended Capabilities Port
(ECP) modes.
2.6.3 Fintek F81216D LPC Serial Port Chip
The Fintek F81216D chipset enables the addition of two additional UART serial ports
(COM3 and COM4). UART includes 16-byte send/receive FIFO. The Fintek F81216D
serial port chipset is interfaced to the Southbridge chipset through the LPC bus. Some of
the features of the Fintek F81216D chipset are listed below:
ƒ
Supports LPC interface
ƒ
Totally provides 4 UART (16550 asynchronous) ports
o
3 x Pure UART
o
1 x UART+IR
ƒ
One Watch dog timer with WDTOUT# signal
ƒ
One Frequency input 24/48 MHz
ƒ
Powered by 3 Vcc