H8SCM: Difference between revisions
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{{Infobox motherboard | |||
|image = H8SCM Motherboard.png | |||
|image_size = 300 | |||
|introduced = 2010 | |||
|manufacturer = [[SuperMicro]] | |||
|socket = 1x [[C32]] | |||
|northbridge = AMD SR5650 | |||
|southbridge = AMD SP5100 | |||
|superio = Winbond W83527HG | |||
|bmc = [[Nuvoton WPCM450]] | |||
|bmcflash = Onboard | |||
|ram = 4 slots (2 channels) DDR3-1600 ECC RDIMM/UDIMM, up to 128GB | |||
|bios = 2 MiB soldered SOIC-8 (W25Q16V) | |||
|formfactor = u-ATX | |||
|power = 1x 8-pin EPS | |||
|slot1 = PCIe Gen2 x16 (electrically x8) | |||
|slot2 = PCIe Gen2 x8 | |||
|slot3 = PCIe Gen2 x8 (electrically x4) | |||
|slot4 = 32-bit Legacy PCI | |||
|gpu = Matrox G200eW | |||
|nic = 2x Intel 82574L Gigabit | |||
|storagecontroller = SP5100's SATA2 (3.0 Gbps) | |||
|usbcontroller = SP5100's onboard USB 2.0 | |||
|serial = One external, one internal | |||
|audio = None | |||
}} | |||
The H8SCM motherboard is highly supported by [[coreboot-15h]]. | The H8SCM motherboard is highly supported by [[coreboot-15h]]. | ||
== Board Variants == | |||
=== H8SCM === | === H8SCM === | ||
{{Excerpt|Coreboot-15h|SuperMicro H8SCM|hat=no}} | |||
=== H8SCM-F === | === H8SCM-F === | ||
The H8SCM-F is identical to the H8SCM, but has an onboard BMC. It is compatible with the coreboot image for the H8SCM, but it is not known whether the onboard BMC will operate. The "JPB1" motherboard jumper can be used to disable the onboard BMC, effectively turning the H8SCM-F into the H8SCM. | |||
== Onboard BMC == | |||
{{Excerpt|Nuvoton WPCM450|hat=no}} | |||
== Flashing Firmware == | |||
To switch from the stock firmware to coreboot, [[External Flashing | external flashing]] is required. | |||
=== Flash Chip Location === | |||
[[File:H8SCM Flashchip Location.png|frameless|300x300px]] | |||
The flash chip is located above the circular CMOS battery slot. | |||
=== Flash Chip Orientation === | |||
[[File:H8SCM Flashchip Orientation.png|frameless|300x300px]] | |||
The circle marking the location of pin 1 is highlighted red in the above image. The circle is a subtle indentation on the chip that can be seen with the aid of a flashlight. | |||
=== Flashing Example === | |||
[[File:H8SCM Flashing.png|frameless|300x300px]] | |||
A CH341a programmer can be used to flash coreboot onto the H8SCM. | |||
== Board Diagrams == | |||
[[File:H8SCM Diagram.png|frameless|400x400px]] | |||
[[File:H8SCM BlockDiagram.png|frameless|400x400px]] | |||
== User Builds == | |||
* [[Talos]] | |||
* [[Komos]] | |||
== References == | |||
Latest revision as of 03:20, 7 March 2025
| H8SCM | |
|---|---|
 | |
| Overview | |
| Introduced | 2010 |
| Manufacturer | SuperMicro |
| Specifications | |
| Socket | 1x C32 |
| Northbridge | AMD SR5650 |
| Southbridge | AMD SP5100 |
| Super I/O | Winbond W83527HG |
| BMC | Nuvoton WPCM450 |
| BMC Flash Location | Onboard |
| Memory | 4 slots (2 channels) DDR3-1600 ECC RDIMM/UDIMM, up to 128GB |
| BIOS Flash | 2 MiB soldered SOIC-8 (W25Q16V) |
| Form Factor | u-ATX |
| Power Inputs | 1x 8-pin EPS |
| Expansion Slots |
|
| Onboard Peripherals | |
| Graphics Adapter | Matrox G200eW |
| Network Interface | 2x Intel 82574L Gigabit |
| Storage Controller | SP5100's SATA2 (3.0 Gbps) |
| USB Controller | SP5100's onboard USB 2.0 |
| Serial Interface | One external, one internal |
| Audio Interface | None |
The H8SCM motherboard is highly supported by coreboot-15h.
Board Variants
H8SCM
Release
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Notes
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Download Options
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| 2025.03.08-v4.11-9f78cb25cd |
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| 2025.02.23-v4.11-583f5e6a34 |
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H8SCM-F
The H8SCM-F is identical to the H8SCM, but has an onboard BMC. It is compatible with the coreboot image for the H8SCM, but it is not known whether the onboard BMC will operate. The "JPB1" motherboard jumper can be used to disable the onboard BMC, effectively turning the H8SCM-F into the H8SCM.
Onboard BMC
The Nuvoton WPCM450, or simply the WPCM450, is a BMC chip used in the SuperMicro family of boards containing the "-F" suffix. Multiple vendors shipped the WPCM450 with Linux, making it feasible to build an open source replacement for the original BMC firmware[1][2][3]. 3rd party documentation and tools have been developed by neuschaefer and are available on github.
Flashing Firmware
To switch from the stock firmware to coreboot, external flashing is required.
Flash Chip Location
The flash chip is located above the circular CMOS battery slot.
Flash Chip Orientation
The circle marking the location of pin 1 is highlighted red in the above image. The circle is a subtle indentation on the chip that can be seen with the aid of a flashlight.
Flashing Example
A CH341a programmer can be used to flash coreboot onto the H8SCM.
Board Diagrams
