| 4D80-4D9F | D31:F0 - Enhanced serial peripheral interface Controller(eSPI) | 4D87 - Production SKU |
| 4DA0 | D31:F1 - Primary to Sideband Bridge(P2SB) | |
| 4DA1 | D31:F2 - Power Management Controller(PMC) | |
| 4DA2 | RSVD | |
| 4DA3 | D31:F4 - System Management Bus (SMBus) Controller | |
| 4DA4 | D31:F5 - SPI | Serial Peripheral Interface (SPI) Controller for Flash and TPM |
| 4DA6 | D31:F7 - Intel Trace Hub (ITH) | |
| 48A7 | RSVD | |
| 4DA8 | D30:F0 - LPSS: UART Controller #0 | |
| 4DA9 | D30:F1 - LPSS: UART Controller #1 | |
| 4DAA | D30:F2 - LPSS: SPI Controller #0 | |
| 4DAB | D30:F3 - LPSS: SPI Controller #1 | |
| 4DB8 | D28:F0 - PCI Express Root Port #1 | |
| 4DB9 | D28:F1 - PCI Express Root Port #2 | |
| 4DBA | D28:F2 - PCI Express Root Port #3 | |
| 4DBB | D28:F3 - PCI Express Root Port #4 | |
| 4DBC | D28:F4 - PCI Express Root Port #5 | |
| 4DBD | D28:F5 - PCI Express Root Port #6 | |
| 4DBE | D28:F6 - PCI Express Root Port #7 | |
| 4DBF | D28:F7 - PCI Express Root Port #8 | |
| 4DC4 | D26:F0 - SCS | embedded Multi Media Card (eMMC) Controller |
| 4DC5 | D25:F0 - LPSS: I2C Controller #4 | |
| 4DC6 | D25:F1 - LPSS: I2C Controller #5 | |
| 4DC7 | D25:F2 - LPSS: UART Controller #2 | |
| 4DC8-4DCF | D31:F3 - cAVS( (Audio, Voice, Speech)) | |
| 4DD0 | D23:F0 - RSVD | Reserved |
| 4DD1 | D23:F0 - RSVD | Reserved |
| 4DD2 | D23:F0 - SATA | SATA Controller (AHCI) |
| 4DD3 | D23:F0 - SATA | SATA Controller (AHCI) |
| 4DD4 | D23:F0 - RSVD | Reserved |
| 4DD5 | D23:F0 - RSVD | Reserved |
| 4DD6 | D23:F0 - SATA | SATA Controller (RAID 0/1/5/10) -Desktop |
| 4DD7 | D23:F0 - SATA | SATA Controller (RAID 0/1/5/10) - Mobile |
| 282A | D23:F0 - SATA | SATA Controller (RAID 0/1/5/10) - Mobile |
| 4DD8-4DDD | D23:F0 - RSVD | Reserved |
| 4DDE | D23:F0 - RSVD | SATA Controller (AHCI) Optane- Desktop |
| 4DDF | D23:F0 - RSVD | Reserved |
| 4DE0 | D22:F0 - CSE | Host Embedded Controller Interface HECI #1 |
| 4DE1 | D22:F1 - CSE | HECI #2 |
| 4DE4 | D22:F4 - CSE | HECI #3 |
| 4DE8 | D21:F0 - LPSS: I2C Controller #0 | |
| 4DE9 | D21:F1 - LPSS: I2C Controller #1 | |
| 4DEA | D21:F2 - LPSS: I2C Controller #2 | |
| 4DEB | D21:F3 - LPSS: I2C Controller #3 | |
| 4DED | D20:F0 - USB | USB 3.1 xHCI HC |
| 4DEE | D20:F1 - USB | USB Device Controller (OTG) (xDCI) |
| 4DEF | D20:F2 - PMC | Shared SRAM |
| 4DF0-4DF3 | D20:F3 - CNVi | CNVi: WiFi [sku 0:3] |
| 4DF8 | D20:F5 - SCS | SCS3:SD Card |
| 4DFA | D18:F5 - SCS | Reserved |
| 4DFB | D18:F6* | LPSS: SPI #2 |