H8SGL: Difference between revisions

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Created page with "{{Infobox motherboard |image = H8SGL Board.png |image_size = 300 |introduced = 2010 |manufacturer = SuperMicro |socket = 1x G34 |northbridge = AMD SR5650 |southbridge = AMD SP5100 |superio = Winbond W83527HG |bmc = Nuvoton WPCM450 |bmcflash = Onboard |ram = 8 slots (4 channels) DDR3-1600 ECC UDIMM/RDIMM/LRDIMM, up to 256GB |bios = 2 MiB soldered SOIC-8 (W25Q16V) |formfactor = ATX |power = 1x 8-pin EPS |slot1 = PC..."
 
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== Board Variants ==
== Board Variants ==
=== H8SGL ===
=== H8SGL ===
{{Excerpt|Coreboot-15h|SuperMicro H8SGL|hat=no}}
{{Excerpt|Coreboot-15h|[[H8SGL|SuperMicro H8SGL]]|hat=no}}
=== H8SGL-F ===
=== H8SGL-F ===
The H8SGL-F is identical to the H8SGL, but has an onboard BMC. It is compatible with the coreboot image for the H8SGL, but it is not known whether the onboard BMC will operate. The "JPB" motherboard jumper can be used to disable the onboard BMC, effectively turning the H8SGL-F into the H8SGL.
The H8SGL-F is identical to the H8SGL, but has an onboard BMC. It is compatible with the coreboot image for the H8SGL, but it is not known whether the onboard BMC will operate. The "JPB" motherboard jumper can be used to disable the onboard BMC, effectively turning the H8SGL-F into the H8SGL.

Revision as of 05:18, 17 September 2025

H8SGL
Overview
Introduced2010
ManufacturerSuperMicro
Specifications
Socket1x G34
NorthbridgeAMD SR5650
SouthbridgeAMD SP5100
Super I/OWinbond W83527HG
BMCNuvoton WPCM450
BMC Flash LocationOnboard
Memory8 slots (4 channels) DDR3-1600 ECC UDIMM/RDIMM/LRDIMM, up to 256GB
BIOS Flash2 MiB soldered SOIC-8 (W25Q16V)
Form FactorATX
Power Inputs1x 8-pin EPS
Expansion Slots
  • PCIe Gen2 x16 (electrically x8)
  • PCIe Gen2 x8
  • PCIe Gen2 x8 (electrically x4)
  • 32-bit Legacy PCI
Onboard Peripherals
Graphics AdapterMatrox G200eW
Network Interface2x Intel 82574L Gigabit
Storage ControllerSP5100's SATA2 (3.0 Gbps)
USB ControllerSP5100's onboard USB 2.0
Serial InterfaceOne external, one internal
Audio InterfaceNone

The H8SGL motherboard is highly supported by coreboot-15h.

Board Variants

H8SGL

Release
Notes
Download Options
2025.11.18-v4.11-4094163932a
  • Partial UART support
    • Requires the BMC to be online
  • SeaBIOS + uCode + VGA-OpROMs
2025.11.09-v4.11-6f1fd5cf220
  • Optimized HyperTransport Speed and Deemphasis
  • Optimized RAM Power Saving
  • Optimized RAM ECC Scrub Rates
  • Setup Thermal Throttling
  • Enabled Thermal Shutdown
  • SeaBIOS + uCode + VGA-OpROMs
2025.10.31-v4.11-c71dd7896fe
  • Enabled the IOMMU
  • Enabled the HPET
  • Added coreinfo and memtest
  • SeaBIOS + uCode + VGA-OpROMs
2025.09.15-v4.11-58cfb23a680
  • Initial release
    • IOMMU is disabled
  • SeaBIOS + uCode + VGA-OpROMs

H8SGL-F

The H8SGL-F is identical to the H8SGL, but has an onboard BMC. It is compatible with the coreboot image for the H8SGL, but it is not known whether the onboard BMC will operate. The "JPB" motherboard jumper can be used to disable the onboard BMC, effectively turning the H8SGL-F into the H8SGL.

Board Diagrams

The SP5100 is incorrectly labeled "SR5100" in the board diagram.

Board Components

Socket G34

G34 socket pinout

G34 was launched on March 29, 2010. It supports 10h and 15h Opteron CPU's[1]. All G34 Opteron CPUs are dual node processors with two NUMA nodes.

AMD Opteron 6100 Series

Processors in the AMD Opteron 6100 Series were designed with the K10 microarchitecture and are compatible with the G34 socket.

Official Source Code and Documentation

AMD Opteron 6200 and 6300 Series

Processors in the AMD Opteron 6200 and 6300 Series were designed with the Bulldozer (6200 series) and Piledriver (6300 series) microarchitectures and are compatible with the G34 socket.

Official Source Code and Documentation

AMD SR5650

The AMD SR5650, previously known as RD870S, is a powerful system logic designed for the server/workstation platform. The SR5650 boasts 26 PCI Express® (PCIe®) lanes, with 22 lanes dedicated to external PCIe devices and 4 for the A-Link Express II interface to AMD's Southbridges like the SP5100 (formerly SB700S). The chipset is also equipped with the latest HyperTransportTM 3 and PCIe Gen 2 technologies, delivering exceptional performance in a compact 29mm x 29mm package.[2]

Official Source Code and Documentation

AMD SP5100

The AMD SP5100 is a versatile Southbridge designed to complement AMD's server Northbridges, integrating essential I/O, communication, and other features for advanced server platforms into a single device. [3]

Official Source Code and Documentation

Part Numbers

  • AMD 218-0660013
  • AMD 218-0660024
  • AMD 218-0660026

Winbond W83527HG

The Winbond W83527HG is a member of Nuvoton’s LPC Super I/O product line for desktop PCs.

Official Documentation

Nuvoton W83795G

The Nuvoton W83795G/ADG can be used to monitor several critical hardware parameters of a system; including power supply voltages, fan speeds, and temperatures.

Official Documentation

Nuvoton WPCM450

The Nuvoton WPCM450 is a combined Baseboard Management Controller and 2D/VGA-compatible Graphics Core with PCI Interface, Virtual Media, Keyboard and KVMR Module[4]. Multiple vendors shipped the WPCM450 with Linux, making it feasible to build an open source replacement for the original BMC firmware[5][6][7]. 3rd party documentation and tools have been developed by neuschaefer and are available on github. The WPCM450 appears to be related to, or based on, the Winbond W90N745.

Official Documentation

Missing Features

  • Support for the SR5650 IOMMU has not been implemented.
  • Support 6100 series Opteron CPUs is untested.
  • Support for the two onboard serial ports is untested.
  • Support for the onboard BMC is untested.

Flashing Firmware

To switch from the stock firmware to coreboot, external flashing is required.

Flash Chip Location

The flash chip is located between PCI slots 2 and 3, near the SP5100.

References

  1. ↑ https://en.wikipedia.org/wiki/Socket_G34
  2. ↑ https://theretroweb.com/chips/5698
  3. ↑ https://theretroweb.com/chips/5699
  4. ↑ https://theretroweb.com/chips/10379
  5. ↑ https://github.com/neuschaefer/linux/tree/vendor/wpcm450-aten
  6. ↑ https://github.com/neuschaefer/linux/tree/vendor/wpcm450-ami
  7. ↑ https://github.com/neuschaefer/linux/tree/vendor/dell-idrac6-1.70
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