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Supermicro X11SSH-F

This section details how to run coreboot on the Supermicro X11SSH-F.

Flashing coreboot

The board can be flashed externally. STM32-based programmers worked.

The flash IC "W25Q128.V" (detected by flashrom) can be found near PCH PCIe Slot 4. It is sometime socketed, and covered by a sticker, hindering the observation of its precise model.

It can be programmed in-system with a clip like pomona 5250.

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.

IGD

If an IGD is integrated with CPU, it will be enabled on this board. Though there is no video output for it (The onboard VGA port is connected to BMC), it is said to be capable of being used for compute tasks, or for offloading graphics rendering via "muxless" [vga_witcheroo].

Tested and working

SeaBIOS payload to boot Kali Linux live USB
ECC ram (Linux' ie31200 driver works)
Integrated graphics device available without output
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
S3 resume not working (vendor and coreboot)
SeaBIOS cannot make use of VGA on Aspeed (even if IGD is disabled)

ToDo

Fix known issues
Testing other payloads

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)                               |
|                  | 1x 3.0 x4 (in x8)                                |
|                  | 1x 3.0 x2 (in M.2 slot with key M)               |
+------------------+--------------------------------------------------+
| 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 (connector may absent)               |
|                  | 1x External BMC I2C Header (for IPMI card)       |
|                  | 1x Chassis Intrusion Header                      |
+------------------+--------------------------------------------------+

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