Hardware Reference
In-Depth Information
Before this standard was published, no official standard existed, and anarchy ruled. In ad-
dition, even though most chassis gave you individual tiny connectors for each function,
some of the bigger system builders (for example, Dell, Gateway, and others) began using
specializedinlineordual-rowheaderconnectorssotheycouldbuildsystemsmorequickly
and efficiently. Coincidentally, most of those vendors used Intel boards, hence Intel's de-
velopment of a standard.
The front panel guide details a 10-pin keyed header connector for the main front panel
switch/LED functions, as well as a 10-pin keyed USB header, a 10-pin keyed IEEE 1394
(FireWire/i.LINK) header, a 10-pin keyed audio header, and a 6-pin keyed IR header. The
pinouts and configurations of these and other motherboard-based connectors are shown
in the following figures and tables. Figure 4.29 details the front panel switch/LED header
connector.
Figure 4.29 Front panel switch/LED header connector.
The pinout of the standard front panel switch/LED connector is shown in Table 4.36 .
Table 4.36 Front Panel Switch/LED Connector Pinout
 
 
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