Product Description
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1.7.3 Diskette Drive Controller
The I/O controller supports one diskette drive that is compatible with the 82077 diskette drive
controller and supports both PC-AT and PS/2 modes.
For information about Refer to
The location of the diskette drive connector Figure 11, page 59
The signal names of the diskette drive connector Table 42, page 64
The supported diskette drive capacities and sizes Table 69, page 101
1.7.4 Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel. The +5 V lines to these
connectors are protected with a PolySwitch
†
circuit that, like a self-healing fuse, 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 the AMI keyboard and mouse controller code, provides the
keyboard and mouse control functions, and supports password protection for power-on/reset. A
power-on/reset password can be specified in the BIOS Setup program.
For information about Refer to
The location of the keyboard and mouse connectors Figure 8, page 50
The signal names of the keyboard and mouse connectors Table 17, page 51
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