Reply 40 of 58, by darry
digicube wrote on 2021-01-15, 04:13:I get this result between WINNT4 and WIN7 using this instruction https://www.dell.com/support/kbdoc/en-us/0001 … dth-using-iperf […]
I get this result between WINNT4 and WIN7 using this instruction https://www.dell.com/support/kbdoc/en-us/0001 … dth-using-iperf
Looks like IT IS the CF card/HDD bottleneck.
[ ID] Interval Transfer Bandwidth
[164] 0.0- 1.0 sec 13.0 MBytes 109 Mbits/sec
[164] 1.0- 2.0 sec 8.13 MBytes 68.2 Mbits/sec
[164] 2.0- 3.0 sec 10.3 MBytes 86.6 Mbits/sec
[164] 3.0- 4.0 sec 10.9 MBytes 91.1 Mbits/sec
[164] 4.0- 5.0 sec 10.9 MBytes 91.4 Mbits/sec
[164] 5.0- 6.0 sec 6.77 MBytes 56.8 Mbits/sec
[164] 6.0- 7.0 sec 8.33 MBytes 69.9 Mbits/sec
[164] 7.0- 8.0 sec 11.0 MBytes 91.9 Mbits/sec
[164] 8.0- 9.0 sec 10.9 MBytes 91.8 Mbits/sec
[164] 9.0-10.0 sec 11.0 MBytes 92.1 Mbits/sec
[164] 10.0-11.0 sec 10.9 MBytes 91.3 Mbits/sec
[164] 11.0-12.0 sec 8.66 MBytes 72.7 Mbits/sec
[164] 12.0-13.0 sec 10.8 MBytes 90.8 Mbits/sec
[164] 13.0-14.0 sec 10.1 MBytes 84.7 Mbits/sec
[164] 14.0-15.0 sec 9.52 MBytes 79.8 Mbits/sec
[164] 15.0-16.0 sec 10.6 MBytes 88.6 Mbits/sec
[164] 16.0-17.0 sec 8.96 MBytes 75.2 Mbits/sec
[164] 17.0-18.0 sec 10.8 MBytes 91.0 Mbits/sec
[164] 18.0-19.0 sec 10.8 MBytes 91.0 Mbits/sec
[164] 19.0-20.0 sec 8.70 MBytes 72.9 Mbits/sec
[ ID] Interval Transfer Bandwidth
[164] 20.0-21.0 sec 4.10 MBytes 34.4 Mbits/sec
[164] 21.0-22.0 sec 10.1 MBytes 85.1 Mbits/sec
[164] 22.0-23.0 sec 10.9 MBytes 91.4 Mbits/sec
[164] 23.0-24.0 sec 10.9 MBytes 91.7 Mbits/sec
[164] 24.0-25.0 sec 11.0 MBytes 92.1 Mbits/sec
[164] 25.0-26.0 sec 10.9 MBytes 91.6 Mbits/sec
[164] 26.0-27.0 sec 10.8 MBytes 90.4 Mbits/sec
[164] 27.0-28.0 sec 10.9 MBytes 91.3 Mbits/sec
[164] 28.0-29.0 sec 9.51 MBytes 79.8 Mbits/sec
[164] 29.0-30.0 sec 10.1 MBytes 84.4 Mbits/sec
[164] 0.0-30.2 sec 300 MBytes 83.4 Mbits/sec
That is good news . The next step is to benchmark your hard disk or CF card . Remember that IDE DMA is not enabled by default with OS default drivers on Windows 9x . On NT4, IDE DMA probably requires a service pack to be optionally enabled and may be enabled by default with service pack 4 or higher, AFAICR .
Some CF to IDE adapters do not support DMA mode and not all CF cards do either .