crwdns2933803:014crwdne2933803:0
crwdns2933797:0Sam Goldheartcrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Sam Goldheart
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| - | [* black] How did Apple stack the two boards? They created a third spacer PCB that lines the perimeter. Instead of a fussy flex cable, data travels along dozens of through-hole vias. |
|---|---|
| + | [* black] Okay, so Apple made a PCB sandwich, but how does it work? |
| + | [* icon_note] They created a third spacer PCB that lines the perimeter. And instead of connecting the two layers with a fussy flex cable, data travels along dozens of through-hole [https://en.wikipedia.org/wiki/Via_(electronics)|vias|new_window=true]. |
| [* black] Here, the A11 SoC lies nestled at the center of the main board. You can get a sense of the 3D structure of the board from the X-ray photos. The cylinders around the edge are holes filled with solder connecting the two boards. |