Award MI950, Руководство пользователя, Страница: 21 / 68

INSTALLATIONS
Hard Disk Drive LED Connector: Pins 3 and 4
This connector connects to the hard drive activity LED on control panel.
This LED will flash when the HDD is being accessed.
Pin # Signal Name
4 HDD Active
3 5V
Reset Switch: Pins 5 and 6
The reset switch allows the user to reset the system without turning the
main power switch off and then on again. Orientation is not required
when making a connection to this header.
+5V and 5VSB Signals: Pins 7 and 8
Pin # Signal Name
7 +5V
8 +5VSB
J10: COM3, COM4 Serial Port (DF11 Connector)
Signal Name Pin # Pin # Signal Name
DSR1
Data set ready
2 1 DCD1
Data carrier detect
RTS1
Request to send
4 3 RXD1
Receive data
CTS1
Clear to send
6 5 TXD1
Transmit data
RI1
Ringing indicator
8 7 DTR1
Data terminal ready
Not used 10 9 Ground
DSR2 12 11 DCD2
RTS2 14 13 RXD2
CTS2 16 15 TXD2
RI2 18 17 DTR2
Not used 20 19 Ground
PCI1: PCI Slot (supports two masters)
MI950 User’s Manual 17