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coreboot-kgpe-d16/Documentation/mainboard/supermicro/x11-lga1151-series/x11ssm-f/x11ssm-f.md

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Supermicro X11SSM-F

This section details how to run coreboot on the Supermicro X11SSM-F.

Flashing coreboot

The board can be flashed externally. FTDI FT2232H and FT232H based programmers worked.

The flash IC MX25L12873F can be found near PCH PCIe Slot 4. It is socketed on retail boards.

For doing ISP (In-System-Programming) one needs to add a diode between VCC and the flash chip.

BMC (IPMI)

This board has an ASPEED AST2400, which has BMC/IPMI functionality. The BMC firmware resides in a 32 MiB SOIC-16 chip in the corner of the mainboard near the PCH PCIe Slot 4. This chip is a MX25L25635F.

Tested and working

  • GRUB2 payload with Debian testing and kernel 5.2
  • ECC ram (Linux' ie31200 driver works)
  • USB ports
  • Ethernet
  • SATA ports
  • RS232 external
  • PCIe slots
  • BMC (IPMI)
  • VGA on Aspeed
  • TPM on TPM expansion header

Known issues

  • See general issue section
  • "only partially covers this bridge" info from Linux kernel (what does that mean?)
  • LNXTHERM missing
  • S3 resume not working

ToDo

  • Fix TODOs mentioned in code

Technology

+------------------+--------------------------------------------------+
| CPU              | Intel Kaby Lake                                  |
+------------------+--------------------------------------------------+
| PCH              | Intel C236                                       |
+------------------+--------------------------------------------------+
| Coprocessor      | Intel SPS (server version of the ME)             |
+------------------+--------------------------------------------------+
| Super I/O        | ASPEED AST2400                                   |
+------------------+--------------------------------------------------+
| Ethernet         | 2x Intel I210-AT 1 GbE                           |
|                  | 1x dedicated BMC                                 |
+------------------+--------------------------------------------------+
| PCIe slots       | 1x 3.0 x8                                        |
|                  | 1x 3.0 x8 (in x16)                               |
|                  | 2x 3.0 x4 (in x8)                                |
+------------------+--------------------------------------------------+
| USB slots        | 2x USB 2.0 (ext)                                 |
|                  | 2x USB 3.0 (ext)                                 |
|                  | 1x USB 3.0 (int)                                 |
|                  | 1x dual USB 3.0 header                           |
|                  | 2x dual USB 2.0 header                           |
+------------------+--------------------------------------------------+
| SATA slots       | 8x S-ATA III                                     |
+------------------+--------------------------------------------------+
| Other slots      | 1x RS232 (ext)                                   |
|                  | 1x RS232 header                                  |
|                  | 1x TPM header                                    |
|                  | 1x Power SMB header                              |
|                  | 5x PWM Fan connector                             |
|                  | 2x I-SGPIO                                       |
|                  | 2x S-ATA DOM Power connector                     |
|                  | 1x XDP Port                                      |
|                  | 1x External BMC I2C Header (for IPMI card)       |
|                  | 1x Chassis Intrusion Header                      |
+------------------+--------------------------------------------------+

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