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SE7221BK1-E Technical Product Specification
Revision 1.3
26
7.2 I
2
C Header
Table 18. HSBP Header Pin-out (J1D1)
Pin Signal Name Description
1 HR_SMB_5V_DAT Data Line
2 GND GROUND
3 HR_SMB_5V_CLK Clock Line
4 GND GROUND
Table 19. LCD Header Pin-out (J1C1)
Pin Signal Name Description
1 HR_SMB_5V_DAT Data Line
2 GND GROUND
3 HR_SMB_5V_CLK Clock Line
4 P5V_STBY POWER
Table 20. LEGEND SE_LINK Header Pin-out (J2B1)
Pin Signal Name Description
1 MBMC_SMC_PHL_DAT Data Line
2 GND GROUND
3 MBMC_SMC_PHL_CLK Clock Line
4 P5V_STBY POWER
5 POST_STATUS_N
6 FP_RST_BTN_N
7 P5V
8 FP_PWR_BTN_N
7.3 Front Panel Connector
A standard SSI 34-pin header is provided to support a system front panel. The header contains
reset, NMI, power control buttons, and LED indicators. The following table details the pin-out of
this header.
Table 21. Front Panel 34-Pin Header Pin-out (J1J1)
Signal Name Pin Pin Signal Name
P5V_STB 1 2 P5V_STB
KEY 3 4 P5V_STB
FP_PWR_LED_N 5 6 NC
P5V 7 8 P5V_STB
HDD_LED# 9 10 FP_STATUS_LED2_N