This is not a standard consumer graphics card like a Radeon HD or RX series. The ATI ES1000 is a server-grade, legacy VGA controller designed for stability in server environments (such as Dell PowerEdge, HP ProLiant, and IBM servers). It is often integrated into the motherboard or included as a basic management GPU. Elite Pain Pain Factory 3: 4 Extra Quality
The Hardware Identification The device ID PCI\VEN_1002&DEV_36951 (often shortened to ati102c36951 in firmware lists) identifies the ATI ES1000 graphics controller. Mistress Natsuki Natsukiss Intense Whipping Bc7 High Quality - 3.79.94.248
Because this is a legacy enterprise device, you will not find it on the standard AMD consumer download pages. Is it free? Yes. All drivers for this device are free to download. You should never pay a third-party website or "driver utility" software to access these files.