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AC450NX Rack Server System Product Guide
174
Grand Connector
Pins on this connector extend through the midplane and connect with both the CPU baseboard and
the PHP I/O baseboard.
F16 and Front Panel Connector, J3
Signals
Pins A B C D E
1 COM2_TO_FP_EN GROUND GROUND COM2_TO_SIO_EN PIC_CLK
2 IO_TCK XIMB_SOUT_EN SIN_TTL_COM2 STPCLK_L GROUND
3 IO_TDO GROUND IO_TMS IO_TRST_L PICD(1)
4 BMC_SPI_BUS(1) IO_TDI PWRGDB PICD(0) GROUND
5 BMC_SPI_BUS(6) GROUND A20M_L INIT_L unused
6 BMC_SPI_BUS(0) CPU_SPI_RESET_L PROC_RESET_L GROUND GROUND
7 I2C_BMC_SCL GROUND GROUND BMC_SPI_BUS(2) BMC_SPI_BUS(4)
8 I2C_BMC_SDA BMC_SPI_BUS(3) BMC_SPI_BUS(5) GROUND GROUND
9 NMI_5V GROUND SMI_L X0IB_L CIB_INT(0)
10 GROUND IGNNE_L I2C_GLOBAL_SDA IO_PWRGD GROUND
11 X0D_L(0) GROUND GROUND I2C_GLOBAL_SCL INTR
12 X0D_L(1) X0XRTS_L X0HRTS_L GROUND GROUND
13 X0D_L(3) GROUND GROUND DSEL0_L FERR_L
14 X0D_L(4) X0D_L(2) X0BE_L(0) GROUND GROUND
15 GROUND GROUND GROUND DCMPLTA_L X0BLK_L
16 X0D_L(6) X0D_L(5) X0PAR_L GROUND GROUND
17 X0D_L(8) GROUND GROUND SIN_TTL_XIMB X0RST_L
18 X0D_L(9) X0D_L(7) X0ADS_L GROUND GROUND
19 GROUND GROUND X0D_L(11) SOUT_TTL_COM2 SOUT_TTL_XIMB
20 X0D_L(12) X0D_L(10) X0BE_L(1) GROUND DCD_TTL_FP
21 X0D_L(14) GROUND X0XSTBN_L X0XSTBP_L GROUND
22 X0D_L(15) X0D_L(13) GROUND GROUND WDEVT_L
23 GROUND GROUND DOFF0_L X0HSTBP_L GROUND
24 X0CLK GROUND GROUND X0HSTBN_L DCMPLTB_L
25 GROUND DVALIDA_L DSR_TTL_FP ISP_MODE ISP_EN_L
26 CTS_TTL_FP DOFF1_L GROUND ISP_SCLK GROUND
27 RI_TTL_FP GROUND ISP_FPC_SDO ISP_FPC_EN_L -12V
28 ISP_SDO RTS_TTL_FP GROUND -12V GROUND
29 INTRUSION_L GROUND DTR_TTL_FP DVALIDB_L CPU_SLP_L
30 ISP_SDI FAN_FAILED_L SPEAKER_DATA GROUND GROUND
31 VCC_STDBY GROUND GROUND FP_TO_PIIX4_PWRBTN SECURE_MODE_BMC
32 I2C_FPC_SCL VCC_STDBY HARD_RESET DSEL1_L GROUND
33 I2C_FPC_SDA GROUND GROUND X1IB_L PWR_GOOD
34 GROUND DS2P_I2C_SDA DS2P_I2C_SCL PS_PWR_ON GROUND
continued