Mainboard and iBMC Card Connectors

This product supports two types of iBMC cards, Hi1710 and Hi1711. It provides a VGA port, management network port, and debugging serial port. The following uses the Hi1710 card as an example.

• Figure 2-33 shows the connectors on the mainboard and iBMC card of a server with Kunpeng 920 7260 or 5250 processors.
  Figure 2-33 Connectors on the mainboard and iBMC card (server with Kunpeng 920 7260 or 5250 processors)
  

  1	Riser card slot 2 (J6016)	2	NC-SI connector (J65)
  3	RAID controller card connector (J72)	4	Rear-drive backplane 2 power connector (J9)
  5	FlexIO 2 connector (J6014)	6	iBMC card
  7	Jumper (J87) NOTE: The COM_SW pin is used for changing the connection direction of the physical serial port. BMC_RCV PIN is used for restoring default iBMC settings.	8	FlexIO 1 connector (J6008)
  9	System battery (U53)	10	Riser card slot 1 (J6012)
  11	TPM (J50)	12	Riser card 1 power connector (configured with four GPUs, J6026)
  13	Rear-drive backplane 1 power connector (J10)	14	M.2 connector (J6032)
  15	HCCS connector (CPU 1, J2021)	16	Right mounting ear connector (J6030)
  17	Fan connectors	18	Front drive backplane low-speed signal connector (J93)
  19	Front drive backplane power signal connector 1 (J47)	20	Front drive backplane power signal connector 2 (J5)
  21	Left mounting ear connector (J92)	22	Rear drive backplane 3 low-speed signal connector (J67)
  23	HCCS connector (CPU 2, J2022)	24	Built-in drive backplane power connector (J11)
  25	Riser card 2 power connector (configured with four GPUs, J6021)	26	Built-in drive backplane low-speed signal connector (J49)
  27	Riser card 3/Rear drive backplane 3 power connector (J12)	28	Riser card 3/Rear drive backplane 3 Slimline connectors (J52 and J51 from left to right)
  29	Power connector 2 (J73)	30	Power connector 1 (J74)

• Figure 2-34 shows the connectors on the mainboard and iBMC card of a server with Kunpeng 920 5220 or 3210 processors.
  Figure 2-34 Connectors on the mainboard and iBMC card (server with Kunpeng 920 5220 or 3210 processors)
  

  1	Riser card slot 2 (J6016)	2	NC-SI connector (J65)
  3	RAID controller card connector (J72)	4	Rear-drive backplane 2 power connector (J9)
  5	FlexIO card 2 connector (CPU 2, J6014)	6	iBMC card
  7	Jumper (J87) NOTE: The COM_SW pin is used for changing the connection direction of the physical serial port. BMC_RCV PIN is used for restoring default iBMC settings.	8	FlexIO card 1 connector (CPU 1, J6008)
  9	System battery (U53)	10	Riser card slot 1 (J6012)
  11	TPM (J50)	12	Riser card 1 power connector (configured with four GPUs, J6026)
  13	Rear-drive backplane 1 power connector (J10)	14	M.2 connector (J6032)
  15	Right mounting ear connector (J6030)	16	Fan connectors
  17	Front drive backplane low-speed signal connector (J93)	18	Front drive backplane power signal connector 1 (J47)
  19	Front drive backplane power signal connector 2 (J5)	20	Left mounting ear connector (J92)
  21	Rear drive backplane 3 low-speed signal connector (J67)	22	Built-in drive backplane power connector (J11)
  23	Riser card 2 power connector (configured with four GPUs, J6021)	24	Built-in drive backplane low-speed signal connector (J49)
  25	Riser card 3/Rear drive backplane 3 power connector (J12)	26	Riser card 3/Rear drive backplane 3 Slimline connectors (J52 and J51 from left to right)
  27	Power connector 2 (J73)	28	Power connector 1 (J74)

• CPUs are integrated on the mainboard and cannot be replaced independently.
• The iBMC card cannot be replaced independently. Replace it with the mainboard.