Asus Z87-DELUXE/QUAD - Manual (Page 42)

1-26 Chapter 1: Product introduction
Chapter 1
1.2.7 Onboard 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 drives. If an
error is found, the critical component’s LED stays lit up until the problem is solved.
Z87-DELUXE/QUAD
Z87-DELUXE/QUAD CPU/DRAM/
BOOT_DEVICE/VGA LED
2. TPU LED
The TPU LED lights up when the TPU switch is enabled.
Z87-DELUXE/QUAD
Z87-DELUXE/QUAD TPU LEDs