There are 12 I/O banks and 2 high-bandwidth memory (HBM) banks available on the XCVU37P device. The VCU128 HBM I/O banks are not connected as indicated in the following table. The voltages applied to the FPGA I/O banks on the VCU128 board are listed in the following table.
| FPGA (U1) Bank | Power Supply Rail Net Name | Voltage |
|---|---|---|
| Bank 0 | VCC1V8 | 1.8V |
| HP bank 64 | DDR4_VDDQ_1V2 | 1.2V |
| HP bank 65 | DDR4_VDDQ_1V2 | 1.2V |
| HP bank 66 | DDR4_VDDQ_1V2 | 1.2V |
| HP bank 67 | VCC1V8 | 1.8V |
| HP bank 68 | QDR4_VDDQ_1V2 | 1.2V |
| HP bank 69 | QDR4_VDDQ_1V2 | 1.2V |
| HP bank 70 | QDR4_VDDQ_1V2 | 1.2V |
| HP bank 71 | VADJ | 1.8V |
| HP bank 72 | VADJ | 1.8V |
| HP bank 73 | RLD3_VDDQ_1V2 | 1.2V |
| HP bank 74 | RLD3_VDDQ_1V2 | 1.2V |
| HP bank 75 | RLD3_VDDQ_1V2 | 1.2V |
| HBM_43 (not used) | VCCHBM/VCCAUX_HBM | 1.2V/1.8V |
| HBM_83 (not used) | VCCHBM/VCCAUX_HBM | 1.2V/1.8V |