Intel DH55HC Product Guide

Intel Desktop Board DH55HC Product Guide
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Front Panel Header
Figure 23, H shows the location of the front panel header. Table 12 shows the pin
assignments and signal names for the front panel header.
Table 12. Front Panel Header Signal Names
Pin Description In/Out Pin Description In/Out
Hard Drive Activity LED Power LED
1 Hard disk LED pull-up to +5 V Out 2 Front panel LED+ Out
3 Hard disk active LED Out 4 Front panel LED- Out
Reset Switch On/Off Switch
5 Ground 6 Power switch In
7 Reset switch In 8 Ground
Power Not Connected
9 Power Out 10 No pin
NOTE
When connecting individual wires from your chassis front panel to the front panel
header, be sure to observe the connection polarity. Positive wires are usually
solid color and negative wires are usually white or striped.
Front Panel USB 2.0 Headers
Figure 23, I shows the location of the standard front panel USB 2.0 header and
Table 13 shows its pin assignments and signal names.
Table 1
3. USB 2.0 Header Signal Names
Pin Signal Name Pin Signal Name
1 Power (+5 V) 2 Power (+5 V)
3 D- 4 D-
5 D+ 6 D+
7 Ground 8 Ground
9 Key 10 No Connection

Intel DH55HC Specifications

General

Form Factor	MicroATX
Socket	LGA 1156
Memory Type	DDR3
Memory Slots	4
Max Memory	16 GB
PCI Express x16	1
PCIe 2.0 x1 Slots	2
PCI Slots	1
VGA	1
DVI-D	1
HDMI	1
Audio Codec	Realtek ALC888S
Chipset	Intel H55 Express
Memory Standard	DDR3 1333/1066
SATA Ports	6
USB Ports	12 x USB 2.0
Audio	Realtek ALC888S
LAN	Intel 82578DC Gigabit Ethernet Controller