On 03/08/2015 16:46, Richard W.M. Jones wrote: >> > I'm wondering if a 33 Mhz clock is 33000000 Hz or 33333333 Hz ? > From the datasheet (chapter 16): > > https://www-ssl.intel.com/content/www/us/en/chipsets/6300esb-io-controller-hub-datasheet.html > > it says "33 MHz clock (30 ns clock ticks)" which is contradictory.
I found that the spec allows for any speed up to 33333333 Hz (30 ns cycle), so both are okay. However, at least hw/net/rtl8139.c assumes it's 33000000 Hz, so it's nice to be consistent. Paolo