Update:

> https://www.powerpc-notebook.org/2017/11/powerpc-notebook-block-diagram-done/
> https://www.powerpc-notebook.org/wp-content/uploads/2017/11/Portatile_schema2a_pub.png
> https://www.powerpc-notebook.org/wp-content/uploads/2017/11/Portatile_schema2a_pub.pdf

Updated and more detailed block diagram:

https://www.bglug.it/wp-content/uploads/2018/11/LD2018_MarioLocati_PowerPC_Notebook.pdf (page 9)

Specific components mentioned (selection):
- AMD Radeon E9172 MXM (GCN4 Lexa)
- Marvell 88SE9235 4-port SATA3
- Renesas/NEC uPD720200A 2-port USB3
- TI TLV320AIC3104 I²S audio codec (via SPI of TI MSP430)
- Diodes PI7C9X2G404SLQ PCIe bridge/switch