I actually conducted a research to find which motherboards have plcc and dip32 sockets and here is the result:
Pcchips: m810clr (dip), m810l (dip), m810lmr (dip), m810lr (plcc), m810lr-xp (dip), 812 (dip) Ecs: K7SEM (dip) Chaintech: 7SIV ou CT-7SIV (dip) Gigabyte: GA-7SMZ (plcc) Jetway: 830CN (plcc) LeadTeK: winfast7300k7 (dip) Asus: A7S-VM (dip) Matsonic: ms8308ep266 (plcc)