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H8DA8-2/H8DAE-2 User's Manual
USB Headers
Four additional USB2.0 headers
(USB4/5 and USB6/7) are included on
the serverboard. These may be con-
nected to provide front side access.
A USB cable (not included) is needed
for the connection. See the table on
the right for pin defi nitions.
Serial Ports
The COM1 and COM2 serial ports are
located under the parallel port. Refer
to Figure 2-3 for locations and the
table on the right for pin defi nitions.
Fan Headers
The H8DA8-2/H8DAE-2 has eight fan
headers, which are designated FAN1
through FAN8. Fans are Pulse Width
Modulated (PWM) and their speed is
controlled via Thermal Management
with a BIOS setting. See the table on
the right for pin defi nitions.
Note: when using active heatsinks
(those with fans), connect the heatsink
fan for CPU1 to the FAN7 header and
the heatsink fan for CPU2 to the FAN8
header.
JLAN1/2 (Ethernet Ports)
Two Gigabit Ethernet ports (desig-
nated JLAN1 and JLAN2) are located
beside the COM2 port. These Ether-
net ports accept RJ45 type cables.
Universal Serial Bus Headers
Pin Defi nitions (USB4/5/6/7)
USB2
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
Key
Serial Port Pin Defi nitions
(COM1/COM2)
Pin #
Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
Note: NC indicates no connection.
Fan Header
Pin Defi nitions
(FAN1-8)
Pin#
Defi nition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
Notes: JLAN1 is the top port and JLAN2 is the
bottom port. Wake-On-LAN from S3, S4, and S5
are supported by JLAN1, JLAN2 supports WOL
from S1 only.
2-12
USB3/4
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
No connection
Pin #
Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
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