Specifications
QSSC-S4R Technical Product Specification Front Panel Fan Board (FPFB) and Operator Panel
125
G System reset
button
Resets the system
I System ID button Toggles ID LED
J System power
button
Toggles system power
K NMI button Asserts NMI
Front Panel Connectors
H Video connector
Video port, standard VGA compatible, 15-pin connector (1280 x 1024
resolution support)
L Three USB connectors Three USB 2.0 ports, 4-pin connectors
14.3.2 Functional Block Diagram
14.3.3 Connector Definition and Pinout
Table 78. Front Panel Connector Definition and Pinout
Pin Signal Description Pin Signal Description
1 CSS_LED 2 SW_ID_N
3 LED_ID_P 4 SW_NMI_N
5 SW_RST_N 6 LED_STAT_P
7 GND 8 LED_HDD_P
9 LED_STBY_P 10 LED_MAIN_P
11 SW_PWR_N 12 NC