Instead, is most likely a motherboard model used inside certain Acer desktop computers (e.g., Acer Aspire M3970, AM3970, or similar models from the Sandy Bridge/Ivy Bridge era).
Here is what the Acer manual won’t tell you about the board. Acer Inc Ipisb-vr Rev 1.01 Manual
Boot to BIOS. Look at “BIOS Version” – if it ends with v2.15 or higher, you are fine. How to update: You need a valid 2nd Gen CPU installed. Download Acer’s official Windows flash utility (only runs on original Acer OS – tricky). Alternative: Use a bootable FreeDOS USB with the AFUDOS flash utility. Instead, is most likely a motherboard model used
Download the “Acer Predator AG5900 Service Guide” (PDF). This 110-page document includes full disassembly, motherboard schematic, and component layout for the IPISB-VR. Acer Aspire M3970