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Chapter 1: Product introduction
Chapter 1
1.2.7 POST State LEDs
1. POST State LEDs
The POST State LEDs provide the status of these key components during POST
(Power-On-Self Test): CPU, memory modules, VGA card, and hard disk drive.s If an
error is found, the critical component’s LED stays lit up until the problem is solved.
1.2.8 Internal connectors
1. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
The S/PDIF module is purchased separately.
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I-PRO
7
8
Z
Z87I-PRO BOOT/VGA/
CPU/DRAM/SBPW LED
BOOT LED
VGA LED
CPU LED
DRAM LED
SBPW LED
-
I-PRO
7
8
Z
Z87I-PRO Digital audio connector
SPDIF_OUT
+5V
SPDIFOUT
GND