Z77-DS3H updated smoothly after audio reinstalled by multibeast and SSD trim patched by trim-enabler. The best is samba3 (installed by SMBup) working normally w/o reinstallation.
Depending on how much RAM is installed gives OSX part of it to the HD4000 as video memory.
The internal HD4000 don't have their own video memory, it's using part of RAM.
If there is more RAM installed, then HD4000 can use also more (up to 1GB).
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