Specifications

Front Panel Fan Board (FPFB) and Operator Panel QSSC-S4R Technical Product Specification
122
1 SMB_IPMB_3V3SB_CLK
2 GND
3 SMB_IPMB_3V3SB_DAT
4 RST_PWRGD_HSBP
5 P3V3
6 FAN_PWRGD
7 VR_PWROK
8 P3V3_AUX
Table 71. Hot-swap Fan Signal Description and Pinouts
Pin Description
1 GND
2 P12V
3 FAN_TACHx
4 FAN_PWMx
5 FAN_PRSNTx_N
6 LED_FANx_FAULT
Table 72. FPFB-to-Main Board 40-Pin Connector Signal Description and Pinouts
Pin Description Pin Description
1 V_FRONT_RED 21 P5V_AUX
2 GND 22 P3V3
3 V_FRONT_GRN 23 FAN_INTERLOCK_N
4 GND 24 FP_PWR_BTN_N
5 V_FRONT_BLU 25 FP_ID_LED_N
6 GND 26 SMB_SYS_BRD_3V3SB_CLK
7 V_IBMC_GFX_FRONT_HSYN 27 GND
8 GND 28 SMB_SYS_BRD_3V3SB_DATA
9 V_IBMC_GFX_FRONT_VSYN 29 FP_MSG_LED_N
10 GND 30 FP_PWR_LED_N
11 V_IBMC_FRONT_DDC_SCL 31 RST_PWRGD_HSBP
12 GND 32 P3V3_AUX
13 V_IBMC_FRONT_DDC_SDA 33 LED_STATUS_GREEN_R_N
14 FP_NMI_BTN_N 34 FP_CSS_LED_N
15 V_FRONT_PRES_N 35 LED_STATUS_AMBER_R_N
16 FP_ID_REAR_N 36 LED_HDD_ACTIVITY_N
17 SMB_IPMB_5VSB_CLK 37 P5V
18 GND 38 P3V3_AUX
19 SMB_IPMB_5VSB_DAT 39 FM_FP_SPEAKER
20 FP_RST_BTN_N 40 GND
Table 73. Front Panel Signal Description and Pinouts
Pin Description Pin Description
1 CSS_LED 7 GND
2 SW_ID_N 8 LED_HDD_P