When using XBench to test the iBook with internal and external harddisk, the results are here:
Internal harddisk ( Fujitsu 40G 2.5" harddisk )
Uncached Write 38.07 23.38 MB/sec [4K blocks]
Uncached Write 39.32 22.25 MB/sec [256K blocks]
Uncached Read 58.67 17.17 MB/sec [4K blocks]
Uncached Read 44.44 22.33 MB/sec [256K blocks]
Uncached Write 8.86 0.94 MB/sec [4K blocks]
Uncached Write 35.74 11.44 MB/sec [256K blocks]
Uncached Read 49.59 0.35 MB/sec [4K blocks]
Uncached Read 61.86 11.48 MB/sec [256K blocks]
External harddisk ( IEEE-1394 box, 30G IBM 3.5" harddisk )
Uncached Write 47.46 29.14 MB/sec [4K blocks]
Uncached Write 42.05 23.79 MB/sec [256K blocks]
Uncached Read 36.07 10.56 MB/sec [4K blocks]
Uncached Read 57.15 28.72 MB/sec [256K blocks]
Uncached Write 8.77 0.93 MB/sec [4K blocks]
Uncached Write 48.01 15.37 MB/sec [256K blocks]
Uncached Read 79.26 0.56 MB/sec [4K blocks]
Uncached Read 86.29 16.01 MB/sec [256K blocks]
