xref: /aosp_15_r20/external/coreboot/Documentation/mainboard/prodrive/hermes.md (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1# Hermes
2
3Hermes is a regular ATX board designed for workstation PCs.
4
5The board features:
6* 5 PCIe 16x Gen3 slots
7* 4 ECC capable DDR4 DIMMs
8* 5 dedicated Ethernet ports
9* 1 BMC Ethernet port
10* VGA
11* COM port
12* 2 COM port headers
13* 4 SATA ports,
14* NVMe M2 slot
15* CNVi M2 slot
16* 3 optional DisplayPort outputs
17* optional TPM2
18
19## Required proprietary blobs
20
21- [Intel FSP2.0]
22- Intel SPS
23
24## Flashing coreboot
25
26* The BIOS flash can be updated over the BMC, but the update file has a proprietary format
27* For development a dediprog compatible pinheader is present which allows to use an EM100
28
29## Known issues
30
31- MRC caching does not work on cold boot with Intel SPS (see [Intel FSP2.0])
32
33## Technology
34
35```{eval-rst}
36+------------------+--------------------------------------------------+
37| CPU              | CoffeeLake + CoffeeLake R (Core + Xeon)          |
38+------------------+--------------------------------------------------+
39| PCH              | Intel C246                                       |
40+------------------+--------------------------------------------------+
41| Coprocessor      | Intel SPS (server version of the ME)             |
42+------------------+--------------------------------------------------+
43| Super I/O        | none                                             |
44+------------------+--------------------------------------------------+
45| BMC              | Aspeed AST2500                                   |
46+------------------+--------------------------------------------------+
47```
48
49## Extra links
50
51[flashrom]: https://flashrom.org/Flashrom
52[flashing tutorial]: ../../tutorial/flashing_firmware/ext_power.md
53[Intel FSP2.0]: ../../soc/intel/fsp/index.md
54[AST2500]: https://www.aspeedtech.com/products.php?fPath=20&rId=440
55