acer Aspire 5570, T2300, GMA 950, specs in signature
Using Sierra, burned iBoot onto a CD.
Updated BIOS to latest version, loaded optimised defaults.
Before:
Booted into iBoot, swapped the CD and entered in boot "-v"
Stuck at "IOAPIC: Version 0x20 Vectors 64:87"
Added cpus=1 to get past it...