GB200-NVL4 board connectors – MCIO breakout board configuration
The following illustrations show the internal connectors on the system-board assembly for MCIO breakout board configuration.
GB200-NVL4 board connectors – MCIO breakout board configuration
Figure 1. GB200-NVL4 board connectors – MCIO breakout board configuration 

| 1 CMOS battery CMOS battery is only installed in the primary GB200-NVL4 board (left-side GB200-NVL4 board). | 7 Sideband connector |
| 2 HMC module connector | 8 GB200-NVL4 MCIO x16 C-Link cable connector |
| 3 TPM module connector | 9 GB200-NVL4 MCIO x4 host board or switch board connector |
| 4 NCSI connector (reserved) | 10 GB200-NVL4 MCIO x8 connector for PCIe adapter or E3.S drive |
| 5 MCIO x8 connector for PCIe adapter or E3.S drive | 11 GB200-NVL4 MCIO x8 connector for PCIe adapter or E3.S drive |
| 6 GB200-NVL4 12V_STBY power connector | 12 DCSCI connection between primary and secondary GB200-NVL4 boards |
Give documentation feedback