Am 31.01.2012 um 11:53 schrieb Dr. H. Nikolaus Schaller: > > Am 31.01.2012 um 15:30 schrieb Gennady.Kupava: >> As i were always wondering about SD reading issues in GTA02, which rises >> voltage in driver with reduced clock at beginning, and is not working at > > This is a patch in the GTA02 kernel to reduce noise *without* capacitor. > Only GTA02A6 boards have it. > >> 25MHz at all. I wonder can it be related to that capacitor? Are GTA04 >> users going to experience same speed issues with SD like in GTA02? > > No. It works at full speed, even with capacitor.
Here: Last login: Wed Feb 1 06:58:19 2012 from 192.168.0.200 gta04:~# hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 56 MB in 3.09 seconds = 18.12 MB/sec gta04:~# So it appears that the SD clock is even running at 50 MHz (SD is a 4 bit bus). _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community