1. The official one cannot be compared with the monitoring software. You should trust the official one. If you are still not confident, try refreshing the BIOS.
2. On the ASRock 865GV motherboard The AGI (AGP) slot is matched with the Northbridge chip and uses A.G.I.-ASRock Graphics Interface (ASRock's global patented external graphics interface) technology, so that the 865GV chip can also provide support for AGP graphics cards.
3. The most cost-effective AGP graphics card is only R9550. Such as MSI R9550 Xiaoqiang Edition, ASUS R9550 Overclocked Edition, etc.