Headers - JETWAY 815EDA1A User Manual

•
Two hard disks can be connected to each connector. The first HDD is referred to as the
"Master" and the second HDD is referred to as the "Slave".
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For performance issues, we strongly suggest you don't install a CD-ROM or DVD-ROM
drive on the same IDE channel as a hard disk. Otherwise, the system performance on this
channel may drop.

2-6-2 Headers

(1) Serial Port2 COM2 Header (9-pin): COM2
(2) USB Port Headers (9-pin): USB1
These headers are used for connecting the additional USB port plug. By attaching an
option USB cable, your can be provided with two additional USB plugs affixed to the
back panel.
(3) IDE Activity LED: IDE LED
This connector connects to the hard disk activity indicator light on the case.
(4) Reset switch lead: RESET
This 2-pin connector connects to the case-mounted reset switch for rebooting your computer
without having to turn off your power switch. This is a preferred method of rebooting in order
to prolong the lift of the system's power supply. See the figure below.
(5) Speaker connector: SPEAK
This 4-pin connector connects to the case-mounted speaker. See the figure below.
(6) Power LED: PWR LED
The Power LED is light on while the system power is on. Connect the Power LED from the
system case to this pin.
C O M2
Pin 1 Note: Orient the read marking on the
Serial Port2 COM2 Header
USB1
Pin 1
USB Port Headers
17
COM2 ribbon cable to pin 1