SONY VAIO PCG-Z600TEK (aka PCG-5316) – Debian GNU/Linux install notes

A friend gave me this old laptop from the early 2000’s.
Here are my personal notes about installing an optimized and lightweight Debian GNU/Linux system on this machine, mainly for internet browsing / music playing (with external speakers!)

Official support pages

Computer specs

PIII 700MHz
128 Mb SDRAM on the motherboard, 1 SODIMM slot available for RAM upgrade (Specs says this computer can be upgraded upto 256 Mb at max!)
8 Mb Video RAM (ATI Rage Mobility M1)
20 Gb HDD (a Win2000 system was installed)
No CD / No floppy drive
No booting from USB! / No PXE boot!
No Wifi
Dead battery!