Intel BB5520UR Product Specification - Page 125
Front Panel Connector
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Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS Connector/Header Locations and Pin-outs Pin Signal Name 27 3V3_AUX 29 GND 31 GND 33 GND 6.3.2 LCP/IPMB Header Pin 28 30 32 34 SPI_DO SPI_CLK SPI_DI Signal Name RMM3_Present_N (pulled high on baseboard and shorted to ground on the plug-in module) Table 52. LCP/IPMB Header Pin-out (J1G6) 6.3.3 Pin Signal Name 1 SMB_IPMB_5VSB_DAT 2 GND 3 SMB_IPMB_5VSB_CLK 4 P5V_STBY HSBP Header Description BMC IMB 5 V standby data line Ground BMC IMB 5 V standby clock line +5 V standby power Table 53. HSBP Header Pin-out (J1F5, J1G3) 6.3.4 Pin Signal Name 1 SMB_IPMB_5V_DAT 2 GND 3 SMB_IPMB_5V_CLK 4 P5V - HSBP_A GND - HSBP_B SGPIO Header Description BMC IMB 5 V Data Line Ground BMC IMB 5V Clock Line +5 V for HSBP A Ground for HSBP B Table 54. SGPIO Header Pin-out (J1G2) Pin Signal Name 1 SGPIO_CLOCK 2 SGPIO_LOAD 3 SGPIO_DATAOUT0 4 SGPIO_DATAOUT1 Description SGPIO Clock Signal SGPIO Load Signal SGPIO Data Out SGPIO Data In 6.4 Front Panel Connector The server boards provide a 24-pin SSI front panel connector (J1B3) for use with Intel® and third-party chassis. The following table provides the pin-out for this connector: Revision 1.8 111 Intel order number E39529-013