SL-C750/SL-C760/SL-C860 SD/SDHC driver and memory card information ================================================================================= DATE : 2010/02/15 23:48:57 PRODUCT : SL-C860 SD memory card driver information --------------------------------------------------------------------------------- SD memory card driver : use bucchi SL-C750/SL-C760/SL-C860 SD/SDHC memory card driver Ver2.0 SD memory card driver file size : 50018 ls -l /lib/modules/2.4.18-rmk7-pxa3-embedix/kernel/drivers/block/sharp_mmcsd_m.o --------------------------------------------------------------------------------- -rw-r--r-- 1 root qpe 50018 Feb 15 22:54 /lib/modules/2.4.18-rmk7-pxa3-embedix/kernel/drivers/block/sharp_mmcsd_m.o cat /proc/driver/mmcsd/00/* result --------------------------------------------------------------------------------- detect : 1 manufacture : 2 product : SD32G type : SD SL-C750/SL-C760/SL-C860 SD/SDHC driver memory card simple benchmark test ================================================================================= sequential write test by dd command. (test file size : 100 [MiB(1,048,576 byte)]) --------------------------------------------------------------------------------- time dd if=/dev/zero of=/mnt/card/testfile_20100215_234857.bin bs=1M count=100 100+0 records in 100+0 records out real 0m53.798s user 0m0.010s sys 0m18.440s ls -l /mnt/card/testfile_20100215_234857.bin --------------------------------------------------------------------------------- -rwxrwxrwx 1 root root 104857600 Feb 15 23:49 /mnt/card/testfile_20100215_234857.bin sequential read test by dd command. (test file size : 100 [MiB(1,048,576 byte)]) --------------------------------------------------------------------------------- time dd if=/mnt/card/testfile_20100215_234857.bin of=/dev/null bs=1M count=100 100+0 records in 100+0 records out real 1m18.031s user 0m0.000s sys 1m8.370s remove test file --------------------------------------------------------------------------------- rm /mnt/card/testfile_20100215_234857.bin rm command result status : 0 remove test file => succes SD/SDHC memory card simple benchmark test compleated.