If you’ve not played with the Hitachi HD44780 LCD controller before, it has four-bit and eight-bit data modes. In four-bit, used here, you only need to send data on D4, D5, D6, and D7.

Editor Andreas Schilling posted a tweet showing the new 12-pin connector next to the standard dual 8-pin connectors used on high-end graphics cards. As you can see, the new Nvidia connector is tiny.

The new PCIe Gen5 12-pin power connector is here: up to 600W of power for the future of next-gen PCIe 5.0 graphics cards.

Many, many 8-pin PCIe power connectors on custom AIB: But, custom GeForce RTX 3000 series graphics cards from AIBs like ASUS, COLORFUL, EVGA, MSI, etc will not be using the 12-pin PCIe power ...

First, good news: You aren't going to have to rush out and buy new connectors. According to Nvidia, the 12-pin will be compatible with 8-pin connectors. This is pretty common.

A new 12-pin PCIe power adapter purportedly set to be used with the Nvidia Ampere generation graphics cards has been confirmed by a power supply manufacturer.