Intel D2500HN Product Guide for Intel Desktop Board D2500HN - Page 32

Connecting to the Serial Header, Connecting to the Piezoelectric Speaker Header

Page 32 highlights

Intel Desktop Board D2500HN Product Guide Connecting to the Serial Header Figure 9, C shows the location of the serial header. Table 8 shows the pin assignments and signal names for the serial header. Table 8. Serial Port Header Pin Signal Name 1 DCD (Data Carrier Detect) 3 TXD# (Transmit Data) 5 Ground 7 RTS (Request To Send) 9 RI (Ring Indicator) Pin Signal Name 2 RXD# (Receive Data) 4 DTR (Data Terminal Ready) 6 DSR (Data Set Ready) 8 CTS (Clear To Send) 10 Key (no pin) Connecting to the Piezoelectric Speaker Header Figure 9, D shows the location of the piezoelectric speaker header. Table 9 shows the pin assignments for the piezoelectric speaker header. Table 9. Piezoelectric Speaker Header Pin Signal Name 1 + 5 VDC 2 Key (no pin) 3 Key (no pin) 4 SPKR 32

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Intel Desktop Board D2500HN Product Guide
32
Connecting to the Serial Header
Figure 9, C shows the location of the serial header.
Table 8 shows the pin
assignments and signal names for the serial header.
Table 8. Serial Port Header
Pin
Signal Name
Pin
Signal Name
1
DCD (Data Carrier Detect)
2
RXD# (Receive Data)
3
TXD# (Transmit Data)
4
DTR (Data Terminal Ready)
5
Ground
6
DSR (Data Set Ready)
7
RTS (Request To Send)
8
CTS (Clear To Send)
9
RI (Ring Indicator)
10
Key (no pin)
Connecting to the Piezoelectric Speaker Header
Figure 9, D shows the location of the piezoelectric speaker header.
Table 9 shows the
pin assignments for the piezoelectric speaker header.
Table 9. Piezoelectric Speaker Header
Pin
Signal Name
1
+ 5 VDC
2
Key (no pin)
3
Key (no pin)
4
SPKR