Serial Port; Parallel Port; Diskette Drive Controller; Keyboard And Mouse Interface - Intel D815EGEWLU - P3 Socket 370 MicroATX Motherboard Specification

1.8.1 Serial Port

Serial port A is located on the back panel. The serial port supports data transfers at speeds up to
115.2 kbits/sec with BIOS support. The serial port can be assigned as COM1 (3F8h), COM2
(2F8h), COM3 (3E8h), or COM4 (2E8h).
For information about
The location of the serial port A connector
The signal names of the serial port A connector

1.8.2 Parallel Port

The connector for the parallel port is a 25-pin D-Sub connector located on the back panel. In the
BIOS Setup program, the parallel port can be set to the following modes:
•
Output only (PC AT
•
Bi-directional (PS/2 compatible)
•
EPP
•
ECP
For information about
The location of the parallel port connector
The signal names of the parallel port connector
Setting the parallel port's mode

1.8.3 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
The location of the diskette drive connector
The signal names of the diskette drive connector
The supported diskette drive capacities and sizes

1.8.4 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 thermistor, which limits the current to a specified amperage.
✏
NOTE
The keyboard and mouse will function in either PS/2 connector, but the connectors are color-
coded for ease of installation. 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.
†
-compatible mode)
Product Description
Refer to
Figure 7, page 46
Table 23, page 48
Refer to
Figure 7, page 46
Table 22, page 48
Table 62, page 92
Refer to
Figure 9, page 54
Table 36, page 56
Table 65, page 97
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