Well, here's my v4.0 ROM with S2U2 and a couple of more programs installed. I guessing it's the SYS but the write/read times of 100 files are actually quite good, especially when compared to all the other ROMs
Code:
SYS 21109
Total: 216.89 MB
In Use: 91.55 MB
Free: 125.34 MB
Spb Benchmark index 510.12 (iPAQ 3650 scored 1000)
CPU index 2242.89 (iPAQ 3650 scored 1000)
File system index 198.26 (iPAQ 3650 scored 1000)
Graphics index 1652.72 (iPAQ 3650 scored 1000)
Test Time Speed % of iPAQ 3650* speed
Write 1 MB file 590 ms 1736 KB/sec 219%
Read 1 MB file 36.5 ms 27.4 MB/sec 150%
Copy 1 MB file 750 ms 1366 KB/sec 173%
Write 10 KB x 100 files 3896 ms 263 KB/sec 47%
Read 10 KB x 100 files 186 ms 5.39 MB/sec 85%
Copy 10 KB x 100 files 3614 ms 283 KB/sec 60%
Directory list of 2000 files 1263 ms 1.58 thousands of files/sec 1%
Internal database read 622 ms 1607 records/sec 381%
Graphics test: DDB BitBlt 4.89 ms 205 frames/sec 761%
Graphics test: DIB BitBlt 24.2 ms 41.4 frames/sec 306%
Graphics test: GAPI BitBlt 5.59 ms 179 frames/sec 83%
Compress 1 MB file using ZIP 2658 ms 381 KB/sec 359%
Decompress 1024x768 JPEG file 418 ms 673 KB/sec 211%
Arkaball frames per second 29.4 ms 34 frames/sec 31%
CPU test: Whetstones MFLOPS 3621 ms 0.103 Mop/sec 222%
CPU test: Whetstones MOPS 1014 ms 62.1 Mop/sec 182%
CPU test: Whetstones MWIPS 7232 ms 6.91 Mop/sec 232%
Memory test: copy 1 MB using memcpy 8.74 ms 114 MB/sec 163%