# Regular Meeting (2022.6.20) * ~~Compared resource consumption between *zedboard* and *nexys*~~ * Investigated resource consumption of *SiTCP* * About CDCFE Test Board ## Investigated resource consumption of *SiTCP* * [Project repository](https://github.com/BeeBeansTechnologies/SiTCP_Sample_Code_for_AC701_RGMII) * Nexys * ![](https://i.imgur.com/hDRPjN8.png) * ZedBoard * ![](https://i.imgur.com/Qpw7f3H.png) RAM Resource????????? ![](https://i.imgur.com/DisFgPE.png) * Red: Last week we compared * Green: Correct RAM resource of Nexys ## 2 About CDCFE Test Board ### 2.1 Understang ehternet PHY and MAC * Eth: Realtek RTL8211E * ![](https://i.imgur.com/OgMfeeh.png) * ![](https://i.imgur.com/dOgRaNK.png) * So *SiTCP* select *RGMII* to download * RGMII vs SGMII * SGMII (Serial gigabit media-independent interface ) * ![](https://i.imgur.com/jUTz02z.png) * RGMII (Reduced gigabit media-independent interface ) * ![](https://i.imgur.com/jcgrMzc.png) * Refer to [here](https://en.wikipedia.org/wiki/Media-independent_interface) ### 2.2 Problem when I build ![](https://i.imgur.com/Q2q7mDx.png) Maybe version of SiTCP Original code [1.0] -> now repository [1.1] ###### tags: `Regular Meeting` `DeWei`