Intel D845HV Product Specification - Page 31

Diskette Drive Controller, Keyboard and Mouse Interface, I/O Controller Option

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Product Description 1.9.4 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 The location of the diskette drive connector The signal names of the diskette drive connector The supported diskette drive capacities and sizes Refer to Figure 13, page 61 Table 38, page 66 Table 69, page 107 1.9.5 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 The location of the keyboard and mouse connectors The signal names of the keyboard and mouse connectors Refer to Figure 10, page 52 Table 18, page 53 1.9.6 I/O Controller Option For the D845HV board only, there is a manufacturing option for an SMSC LPC47M132 I/O controller. This optional I/O controller provides identical functionality to the standard I/O controller, minus the integrated USB hub. 31

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Product Description
31
1.9.4
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 13, page 61
The signal names of the diskette drive connector
Table 38, page 66
The supported diskette drive capacities and sizes
Table 69, page 107
1.9.5
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 10, page 52
The signal names of the keyboard and mouse connectors
Table 18, page 53
1.9.6
I/O Controller Option
For the D845HV board only, there is a manufacturing option for an SMSC LPC47M132 I/O
controller.
This optional I/O controller provides identical functionality to the standard I/O
controller, minus the integrated USB hub.