I/O Interface Controller - SOYO SY-TISU User Manual

Motherboard Description
Note
If you connect a LS-120 drive to an IDE connector and configure it as
the :boot: drive and configure a standard 3.5-inch diskette drive as a "B"
drive, the standard diskette drive is not seen by the operating system.
When the LS-120 drive is configured as the "boot: device, the system will
recognize it as both the A and B drive
1-6.8 Real-Time Clock
The real-time clock supports 256 bytes of battery-backed CMOS SRAM.
Hardware implementation to indicate century rollover.

1-7 I/O INTERFACE CONTROLLER

The motherboard uses the ITE IT8712F-A I/O controller which features:
Single diskette drive interface
Two serial ports
FIFO supports on both serial and diskette interfaces
One parallel port with Extended Capabilities Port (ECP) and
Enhanced Parallel Port (EPP) support
PS/2 style mouse and keyboard interfaces
PCI PME interface
Intelligent auto power management, including:
Shadowed write-only registers for ACPI compliance
Programmable wake-up event interface
The Setup program provides configuration option for the I/O controller.
1-7.1 Serial Ports
The motherboard has two 9-pin D-Sub serial port connector located on the
back panel. The NS16C5450-compatible UARTs support data transfers at
speeds up to 115.2 Kbits/sec with BIOS support.
1-7.2 Parallel Port
The connector for the multimode bi-directional parallel port is a 25-pin
D-Sub connector located on the back panel of the motherboard. In the
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SY-TISU