Intel DX79TO User Manual

Intel Desktop Board DX79TO Technical Product Specification
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2.2.2.4 Front Panel Header
This section describes the functions of the front panel header. Table 24 lists the signal
names of the front panel header. Figure 13 is a connection diagram for the front panel
header.
Table 24. Front Panel Header
Pin Signal
In/
Out Description Pin Signal
In/
Out Description
Hard Drive Activity LED Power LED
1 HD_PWR Out Hard disk LED
pull-up to +5 V
2 HDR_BLNK_GRN Out Front panel green
LED
3 HDA# Out Hard disk active
LED
4 HDR_BLNK_YEL Out Front panel yellow
LED
Reset Switch On/Off Switch
5 Ground Ground 6 FPBUT_IN In Power switch
7 FP_RESET# In Reset switch 8 Ground Ground
Power Not Connected
9 +5 V Power 10 N/C Not connected
Figure 13. Connection Diagram for Front Panel Header
2.2.2.4.1 Hard Drive Activity LED Header
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is
being read from or written to a hard drive. Proper LED function requires a SATA hard
drive or optical drive connected to an onboard SATA connector.

Intel DX79TO Specifications

General

Form Factor	ATX
Chipset	Intel X79
Socket	LGA 2011
Memory Type	DDR3
Max Memory	64GB
PCIe 2.0 x1 Slots	2
PCI Slots	1
SATA 6Gb/s	2
SATA 3Gb/s	4
USB 3.0 Ports	2
LAN	Intel 82579V
Memory Slots	8