Diskette Drive Controller; Keyboard And Mouse Interface - Intel D810E2CA3 Specification

1.7.3 Diskette Drive Controller

The I/O controller supports a single diskette drive that is compatible with the 82077 diskette drive
controller and supports both PC-AT
NOTE
The I/O controller supports 1.2 MB, 3.5-inch diskette drives, but a special driver is required for
this type of drive.
For information about
The location of the diskette drive connector
The signal names of the diskette drive connector
The supported diskette drive capacities and sizes

1.7.4 Keyboard and Mouse Interface

PS/2 keyboard and mouse connectors are located on the back panel of the board. The +5 V lines to
these connectors are protected with a PolySwitch
reestablishes the connection after an overcurrent condition is removed.
NOTE
The keyboard is supported in the bottom PS/2 connector and the mouse is supported in the top
PS/2 connector. Power to the computer should be turned off before a keyboard or mouse is
connected or disconnected.
The keyboard controller contains code that 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 BIOS Setup program.
The keyboard controller also supports the hot-key sequence <Ctrl><Alt><Del> for a software reset
(operating system dependent). 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).
For information about
The location of the keyboard and mouse connectors
The signal names of the keyboard and mouse connectors
†
and PS/2 modes.
†
circuit that, like a self-healing fuse,
Desktop Board Description
Refer to
Figure 10, page 58
Table 38, page 61
Table 67, page 96
Refer to
Figure 8, page 49
Table 19, page 50
25