SL-C750/SL-C760/SL-C860 SD/SDHC driver and memory card information
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DATE    : 2010/02/15 22:45:31
PRODUCT : SL-C860

SD memory card driver information
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SD memory card driver           : use SHARP original driver
SD memory card driver file size : 78

ls -l /lib/modules/2.4.18-rmk7-pxa3-embedix/kernel/drivers/block/sharp_mmcsd_m.o
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lrwxrwxrwx    1 root     root           78 Feb  6 03:47 /lib/modules/2.4.18-rmk7-pxa3-embedix/kernel/drivers/block/sharp_mmcsd_m.o -> /lib/modules.rom/2.4.18-rmk7-pxa3-embedix/kernel/drivers/block/sharp_mmcsd_m.o

cat /proc/driver/mmcsd/00/* result
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  detect      : 1
  manufacture : 27
  product     : 00000
  type        : SD

SL-C750/SL-C760/SL-C860 SD/SDHC driver memory card simple benchmark test
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sequential write test by dd command. (test file size : 100 [MiB(1,048,576 byte)]) 
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time dd if=/dev/zero of=/mnt/card/testfile_20100215_224531.bin bs=1M count=100

100+0 records in
100+0 records out

real	1m53.563s
user	0m0.010s
sys	0m37.640s

ls -l /mnt/card/testfile_20100215_224531.bin
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-rwxrwxrwx    1 root     root    104857600 Feb 15 22:47 /mnt/card/testfile_20100215_224531.bin

sequential read test by dd command. (test file size : 100 [MiB(1,048,576 byte)]) 
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time dd if=/mnt/card/testfile_20100215_224531.bin of=/dev/null bs=1M count=100

100+0 records in
100+0 records out

real	1m34.261s
user	0m0.010s
sys	1m25.120s

remove test file
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rm /mnt/card/testfile_20100215_224531.bin
rm command result status : 0
remove test file => succes

SD/SDHC memory card simple benchmark test compleated.