![Hard disks were interfaced to a PC motherboard via an expansion board known as a hard disk controller. The drive did most of the mechanical stuff and performed. - ppt download Hard disks were interfaced to a PC motherboard via an expansion board known as a hard disk controller. The drive did most of the mechanical stuff and performed. - ppt download](https://images.slideplayer.com/5/1517327/slides/slide_3.jpg)
Hard disks were interfaced to a PC motherboard via an expansion board known as a hard disk controller. The drive did most of the mechanical stuff and performed. - ppt download
![Amazon.com: StarTech.com 1 Port PCI Express IDE Controller Adapter Card - Storage Controller - ATA - 133 MBps - PCIe x1 (PEX2IDE) : Electronics Amazon.com: StarTech.com 1 Port PCI Express IDE Controller Adapter Card - Storage Controller - ATA - 133 MBps - PCIe x1 (PEX2IDE) : Electronics](https://m.media-amazon.com/images/I/61CNMU-UqAL.jpg)
Amazon.com: StarTech.com 1 Port PCI Express IDE Controller Adapter Card - Storage Controller - ATA - 133 MBps - PCIe x1 (PEX2IDE) : Electronics
![Amazon.com: StarTech.com Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter (ICUSB232INT1) : Electronics Amazon.com: StarTech.com Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter (ICUSB232INT1) : Electronics](https://m.media-amazon.com/images/I/8195NVgnZyL._AC_UF1000,1000_QL80_.jpg)