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# Supermicro X11SSM-F
This section details how to run coreboot on the [Supermicro X11SSM-F].
## Flashing coreboot
The flash IC [MX25L12873F] can be found near PCH PCIe Slot 4.
The board can be flashed externally with a SOIC test clip or probes. Since
there is no diode between VCC3.3 and the flash chip, so VCC must **not** be
connected. Instead, the flash chip is powered from VCC3.3, which is always-on
(even in S5). WP# and HOLD# have pull-ups and don't need to be connected.
FTDI FT2232H and FT232H based programmers worked.
Flashing is also possible through the BMC web interface, when a valid license was entered.
## 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].
## Disabling LAN firmware
To disable the proprietary LAN firmware, the undocumented jumper J6 can be set to 2-3.
## 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
- LNXTHERM missing
- S3 resume not working
## Technology
```eval_rst
+------------------+--------------------------------------------------+
| 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 |
+------------------+--------------------------------------------------+
```
## Extra links
- [Supermicro X11SSM-F]
- [Board manual]
[Supermicro X11SSM-F]: https://www.supermicro.com/en/products/motherboard/X11SSM-F
[Board manual]: https://www.supermicro.com/manuals/motherboard/C236/MNL-1785.pdf
[AST2400]: https://www.aspeedtech.com/products.php?fPath=20&rId=376
[IPMI]: ../../../../drivers/ipmi_kcs.md
[MX25L25635F]: https://media.digikey.com/pdf/Data%20Sheets/Macronix/MX25L25635F.pdf
[MX25L12873F]: https://media.digikey.com/pdf/Data%20Sheets/Macronix/MX25L12873F.pdf
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