I guess that's a FU to people that want to populate that last PCIe slot with a GPU accelerator, long RAID card, or anything that's so short it doesn't collide with that USB port. The Gigabyte WRX80 has this, and it really makes no sense to place it there. https://imgur.com/a/R2jF9Vq
With all the headers on the bottom of the board, unlikely to fit a GPU in there anyway, I think. I'd use it for a storage or network controller... although I'm not yet used to PCIe 4.0 x16 bandwidth. The fastest I/O I've ever used is 40Gb Thunderbolt.
I own a recent AMD server MB from ASRock Rack and on that board, the ASPEED AST2500 serves as the BMC controller AND as a general I/O chip as well. It drives the rear RS-232 COM port as well as the D-sub VGA connector which definitely provides general on-board video for the BIOS and the OS (once installed). In the User Manual for my MB, there is no way to access the BMC via the VGA port, even though they both have the ASPEED controller chip in common. Instead, the managment LAN port must be connected to a network. Then, a separate device on the same network can accesses the IPMI application via a web browser, once the IP address of the server BMC is deduced (it may be set or viewed in the BIOS depending of whether you use DHCP, which is the default).
The D-sub port merely provides general "video out" to a VGA monitor without the need for a separate video card. This allows one to use the server locally once an OS is installed or to access the BIOS locally to (among other things) configure initial settings for the BMC, such as static or DCHP networking, etc.
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DReGPU - Tuesday, August 3, 2021 - link
I guess that's a FU to people that want to populate that last PCIe slot with a GPU accelerator, long RAID card, or anything that's so short it doesn't collide with that USB port. The Gigabyte WRX80 has this, and it really makes no sense to place it there. https://imgur.com/a/R2jF9Vqwatersb - Tuesday, August 3, 2021 - link
With all the headers on the bottom of the board, unlikely to fit a GPU in there anyway, I think. I'd use it for a storage or network controller... although I'm not yet used to PCIe 4.0 x16 bandwidth. The fastest I/O I've ever used is 40Gb Thunderbolt.zer0sum - Thursday, August 5, 2021 - link
You should be using SATA DOM's anyways :Pezekiel68 - Sunday, September 19, 2021 - link
I own a recent AMD server MB from ASRock Rack and on that board, the ASPEED AST2500 serves as the BMC controller AND as a general I/O chip as well. It drives the rear RS-232 COM port as well as the D-sub VGA connector which definitely provides general on-board video for the BIOS and the OS (once installed). In the User Manual for my MB, there is no way to access the BMC via the VGA port, even though they both have the ASPEED controller chip in common. Instead, the managment LAN port must be connected to a network. Then, a separate device on the same network can accesses the IPMI application via a web browser, once the IP address of the server BMC is deduced (it may be set or viewed in the BIOS depending of whether you use DHCP, which is the default).The D-sub port merely provides general "video out" to a VGA monitor without the need for a separate video card. This allows one to use the server locally once an OS is installed or to access the BIOS locally to (among other things) configure initial settings for the BMC, such as static or DCHP networking, etc.
dailyprimenews - Tuesday, December 28, 2021 - link
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