architecture: 0.991
device: 0.936
performance: 0.856
arm: 0.770
network: 0.579
assembly: 0.578
risc-v: 0.576
graphic: 0.556
hypervisor: 0.503
PID: 0.500
boot: 0.487
kernel: 0.479
permissions: 0.468
vnc: 0.445
register: 0.424
virtual: 0.419
debug: 0.405
VMM: 0.368
semantic: 0.358
files: 0.348
TCG: 0.333
ppc: 0.256
user-level: 0.249
mistranslation: 0.222
socket: 0.195
peripherals: 0.152
x86: 0.141
KVM: 0.136
i386: 0.035

AC97 can allocate ~500MB of host RAM