Intel AN430TX Product Specification - Page 18

Parallel Port, 1.8.3 Floppy Controller, 1.8.4 Keyboard and Mouse Interface - motherboard driver

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AN430TX Motherboard Technical Product Specification 1.8.2 Parallel Port The connector for the multimode bidirectional parallel port is a 25-pin D-Sub connector located on the back panel of the motherboard. In the Setup program, there are four options for parallel port operation: • Compatible (standard mode) • Bidirectional (PS/2-compatible) • Bidirectional Enhanced Parallel Port (EPP) (see Section 5.1 for EPP specification compliance level) • Bidirectional Extended Capabilities Port (ECP) 1.8.3 Floppy Controller The I/O controller is software compatible with the DP8473 and N82077 floppy drive controllers and supports both PC-AT and PS/2 modes. In the Setup program, t he floppy interface can be configured for the following floppy drive capacities and sizes: • 360 KB, 5.25-inch • 1.2 MB, 5.25-inch • 720 KB, 3.5-inch • 1.2 MB, 3.5-inch (driver required) • 1.25/1.44 MB, 3.5-inch • 2.88 MB, 3.5-inch 1.8.4 Keyboard and Mouse Interface PS/2 keyboard and mouse connectors are located on the back panel of the motherboard. The 5 V lines to these connectors are protected with a PolySwitch† circuit that, like a self-healing fuse, reestablishes the connection after an over-current condition is removed. While this device eliminates the possibility of having to replace a fuse, power to the computer should be turned off before connecting or disconnecting a keyboard or mouse.  NOTE You can plug the mouse and keyboard into either connector. The keyboard controller contains the Phoenix keyboard and mouse controller code, which provides the traditional keyboard and mouse control functions, and also supports Power On/Reset password protection. A Power On/Reset password can be specified in the Setup program. The keyboard controller also supports the following hot-key sequences: • Software reset. This key sequence resets the computer's software by jumping to the beginning of the BIOS code and running the Power On Self Test (POST). 18

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AN430TX Motherboard Technical Product Specification
18
1.8.2
Parallel Port
The connector for the multimode bidirectional parallel port is a 25-pin D-Sub connector located on
the back panel of the motherboard.
In the Setup program, there are four options for parallel port
operation:
•
Compatible (standard mode)
•
Bidirectional (PS/2-compatible)
•
Bidirectional Enhanced Parallel Port (EPP) (see Section 5.1 for EPP specification compliance
level)
•
Bidirectional Extended Capabilities Port (ECP)
1.8.3
Floppy Controller
The I/O controller is software compatible with the DP8473 and N82077 floppy drive controllers
and supports both PC-AT and PS/2 modes.
In the Setup program, t he floppy interface can be
configured for the following floppy drive capacities and sizes:
•
360 KB, 5.25-inch
•
1.2 MB, 5.25-inch
•
720 KB, 3.5-inch
•
1.2 MB, 3.5-inch (driver required)
•
1.25/1.44 MB, 3.5-inch
•
2.88 MB, 3.5-inch
1.8.4
Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel of the motherboard.
The 5 V lines to these connectors are protected with a PolySwitch
†
circuit that, like a self-healing
fuse, reestablishes the connection after an over-current condition is removed.
While this device
eliminates the possibility of having to replace a fuse, power to the computer should be turned off
before connecting or disconnecting a keyboard or mouse.
NOTE
You can plug the mouse and keyboard into either connector.
The keyboard controller contains the Phoenix keyboard and mouse controller code, which provides
the traditional keyboard and mouse control functions, and also supports Power On/Reset password
protection.
A Power On/Reset password can be specified in the Setup program.
The keyboard controller also supports the following hot-key sequences:
•
<Ctrl><Alt><Del>
Software reset.
This key sequence resets the computer’s software by
jumping to the beginning of the BIOS code and running the Power On Self Test (POST).