KGPE-D16: Difference between revisions
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=== Flashing === | === Flashing === | ||
To switch from the stock firmware to coreboot, [[External Flashing | external flashing]] is required. The DIP-8 flash chip is located at the bottom right corner of the board (labeled BIOS in the motherboard diagram). A 3.3V CH341a programmer can be used to flash coreboot onto the KGPE-D16. | To switch from the stock firmware to coreboot, [[External Flashing | external flashing]] is required. The DIP-8 flash chip is located at the bottom right corner of the board (labeled BIOS in the motherboard diagram). A 3.3V CH341a programmer can be used to flash coreboot onto the KGPE-D16. | ||
== Deployed Systems == | |||
* [[Qubesotron]] | |||
* [[RAD01]] | |||
* [[RAD03]] | |||
* [[Unc]] | |||
== Motherboard Diagrams == | == Motherboard Diagrams == | ||
Revision as of 17:02, 11 October 2025
| KGPE-D16 | |
|---|---|
 | |
| Overview | |
| Introduced | 2010 |
| Manufacturer | ASUS |
| Specifications | |
| Socket | 2x G34 |
| Northbridge | 1x AMD SR5690 |
| Southbridge | AMD SP5100 |
| Super I/O | Winbond W83667HG-A |
| BMC | ASPEED AST2050 (OpenBMC-compatible) |
| BMC Flash Location | Removable Module |
| Memory | 16 slots (8 channels) DDR3-1600 ECC RDIMM/UDIMM, up to 192GB on Coreboot |
| BIOS Flash | 2 MiB socketed DIP-8 (W25Q16V) |
| Form Factor | SSI EEB |
| Power Inputs | 2x 8-pin EPS |
| Expansion Slots |
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| Onboard Peripherals | |
| Graphics Adapter | AST2050 Integrated VGA |
| Network Interface | 2x Intel 82574L Gigabit |
| Storage Controller | SP5100's SATA2 (3.0 Gbps), no SAS unless PIKE2008 installed |
| USB Controller | SP5100's onboard USB 2.0 |
| Serial Interface | One SIO-provided RS232, one virtual BMC console port |
| Audio Interface | None (ASUS recommended a PCI sound card) |
The KGPE-D16 motherboard is highly supported by coreboot-15h.
Open Source Firmware
Open source firmware for the KGPE-D16 is provided by coreboot-15h utilizing AMD's open source AGESA and CIMx releases for platform initialization.
KGPE-D16
Release
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Notes
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Download Options
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| 2025.11.09-v4.11-6f1fd5cf220 |
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| 2025.10.31-v4.11-c71dd7896fe |
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| 2025.10.11-v4.11-63a34806baf |
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| 2025.10.10-v4.11-a99acc20d4a |
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Missing Features
- Support for the SR5690 IOMMU has not been implemented.
- Support for 6100 series Opteron CPUs is untested.
Flashing
To switch from the stock firmware to coreboot, external flashing is required. The DIP-8 flash chip is located at the bottom right corner of the board (labeled BIOS in the motherboard diagram). A 3.3V CH341a programmer can be used to flash coreboot onto the KGPE-D16.
Deployed Systems
Motherboard Diagrams
Motherboard Components
Socket G34
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
- AGESA Source Code
- AGESA Interface Specification
- BIOS and Kernel Developer's Guide
- Product Data Sheet
- Power and Thermal Data Sheet
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
- AGESA Source Code
- AGESA Interface Specification
- BIOS and Kernel Developer's Guide
- Product Data Sheet
- Software Optimization Guide
DDR3 Memory
Currently, all UDIMM, RDIMM, and LRDIMM DDR3 modules are expected to work without exception. The maximum RAM supported is 256 GB per CPU socket. The following is an incomplete list of tested modules.
| Product | ECC | Type | Capacity | Speed | Tester |
|---|---|---|---|---|---|
| Actica ACT4GHU72D8H1333S | Yes | UDIMM | 4 GB | 1333 MHz | mrothfuss |
| Actica ACT8GHR72Q4H1600S | Yes | RDIMM | 8 GB | 1600 MHz | mrothfuss |
| ASint SLA302G08-GGNHC | No | UDIMM | 4 GB | 1600 MHz | mrothfuss |
| ELPIDA EBJ81RF4BDWD-DJ-F | Yes | RDIMM | 8 GB | 1333 MHz | mrothfuss |
| Corsair TR3X6G1333C9 | No | UDIMM | 2 GB | 1333 MHz | mrothfuss |
| Crucial CT16G3ERSLD4160B | Yes | RDIMM | 16 GB | 1600 MHz | mrothfuss |
| Crucial CT32G3ELSDQ4186D | Yes | LRDIMM | 32 GB | 1866 MHz | mrothfuss |
| Hynix HMT84GL7MMR4A-H9 | Yes | LRDIMM | 32 GB | 1333 MHz | mrothfuss |
| Kingston KVR13N9S8/4 | No | UDIMM | 4 GB | 1333 MHz | mrothfuss |
| Kingston KVR16E11/8I | Yes | UDIMM | 8 GB | 1600 MHz | mrothfuss |
| Kingston KVR1333D3D4R9S/4G | Yes | RDIMM | 4 GB | 1333 MHz | mrothfuss |
| Kingston KVR16R11D4K4/32I | Yes | RDIMM | 8 GB | 1600 MHz | mrothfuss |
| Micron MT36KSF2G72PZ-1G4E1 | Yes | RDIMM | 16 GB | 1333 MHz | mrothfuss |
| Micron MT36KSF2G72PZ-1G6E1FE | Yes | RDIMM | 16 GB | 1600 MHz | mrothfuss |
| Micron MT36KSF2G72PZ-1G6N1KF | Yes | RDIMM | 16 GB | 1600 MHz | mrothfuss |
| Nanya NT4GC64B8HG0NF-DI | No | UDIMM | 4 GB | 1600 MHz | mrothfuss |
| Samsung M393B1K70DH0-YH9 | Yes | RDIMM | 8 GB | 1333 MHz | mrothfuss |
| Samsung M393B1G70QH0-YK0 | Yes | RDIMM | 8 GB | 1600 MHz | mrothfuss |
| Samsung M393B2K70DM0-YF8 | Yes | RDIMM | 16 GB | 1066 MHz | mrothfuss |
| Samsung M393B2G70BH0-CK0 | Yes | RDIMM | 16 GB | 1600 MHz | mrothfuss |
| Samsung M393B4G70BM0-YH9 | Yes | RDIMM | 32 GB | 1333 MHz | mrothfuss |
| Samsung M393B4G70DM0-YH9 | Yes | RDIMM | 32 GB | 1333 MHz | mrothfuss |
| Samsung M386B4G70DM0-CMA | Yes | LRDIMM | 32 GB | 1866 MHz | mrothfuss |
| Samsung M386B8G70DE0-YH93 | Yes | LRDIMM | 64 GB | 1333 MHz | mrothfuss |
| Super Talent W1333EB4GS | Yes | UDIMM | 4 GB | 1333 MHz | mrothfuss |
| Super Talent W16RB8G4S | Yes | RDIMM | 8 GB | 1600 MHz | mrothfuss |
| Super Talent W13RC16G4H | Yes | RDIMM | 16 GB | 1333 MHz | mrothfuss |
PCIe 2.0 Slots
| Slot | Width | Wired Lanes | Notes |
|---|---|---|---|
| PCIe1 | x16 | x16 | A special PCIe slot designed for the ASUS MIO audio card. Disabled if PCIe2 is occupied. |
| PCIe2 | x16 | x16 | Disables PCIe1 if occupied. |
| PCIe3 | x8 | x4 | |
| PCIe4 | x16 | x8 | Can be configured for x16 mode, but this disables PCIe5. |
| PCIe5 | x16 | x8 | Must be disabled to use PCIe4 in x16 mode. |
PIKE Slots
The two PIKE slots, PIKE1 and PIKE2, are used together to attach an ASUS PIKE module to the KGPE-D16. This is required to utilize the 8 onboard SAS ports. These SAS ports support SAS2 and SATA3, making them faster than the onboard SATA2 ports provided by the SP5100. Drives attached to these ports are accessible to the operating system when the PIKE card is configured for IT mode, but SeaBIOS will not boot from them. The PIKE2008 card, flashed to IT mode, is recommended to utilize these features.
DIP-8 Socket
The DIP-8 Socket houses the mainboard's BIOS ROM. The following DIP-8 chips are known to work with coreboot on the KGPE-D16.
| Model | Size (MB) | Size (Mb) |
|---|---|---|
| W25Q16BVAIG | 2 | 16 |
| W25Q64BVAIG | 8 | 64 |
| W25Q128FVIQ | 16 | 128 |
AMD SR5690
The AMD SR5690, also known as RD890S, was released in March 2010 as a powerful system logic for server and workstation platforms. It offers 46 PCI Express lanes, with 42 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 boasts the latest technologies, including HyperTransport™ 3 and PCIe Gen 2, and its highly integrated, thermally efficient design comes in a compact 29mm x 29mm package.[2]
Official Source Code and Documentation
- CIMx Source Code
- BIOS Developer's Guide
- IOMMU Specification
- Register Reference Guide
- Register Programming Requirements
- Product Databook
- Product Errata
Part Numbers
- AMD 215-0716022
- AMD 215-0716038
- AMD 215-0716056
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
- CIMx Source Code
- BIOS Developer's Guide
- Register Reference Guide
- Register Programming Requirements
- Product Databook
- Product Errata
Part Numbers
- AMD 218-0660013
- AMD 218-0660024
- AMD 218-0660026
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.
Custom Parts
Northbridge Fan
This file is designed to work with a Noctua NF-A4x10 fan. If your motherboard is not in a high-airflow server case, the northbridge fan is highly recommended. The fan bracket mounts onto the northbridge heatsink by snapping onto the metal arms that secure the heatsink. The file may need to be edited to accommodate the exact placement of your 40mm fan cable (the provided design has a cable hole at the bottom right position).
KGPE-D16_Chipsetfan_40mm.blend
RAM Fan
This file is designed to work with a Noctua NF-A8 fan. When two of these fan mounts are attached to a Noctua NF-A8 fan, they will be spaced correctly to snap onto the KGPE-D16 RAM clips (white). These clips vary between boards. The included file is designed to work with L-shaped RAM clips. It will not fit as nicely onto the parallelogram-shaped RAM clips.