MDAC206 PassPlay results

9595-3QT, 90 MHz Pentium, 80 MB RAM, 6x 0662-S12 drives

HDTach 2.07 results:

ibm960nt driver
Random - 17.6 mS
Read Burst - 15.6 MB/s
Read Speed - 5.3 MB/s max, 2.9 MB/s min, 4.8 MB/s avg
CPU 6.3%

MDAC206 driver
Random - 18.6 mS
Read Burst - 15.8 MB/s
Read Speed - 5.4 MB/s max, 2.6 MB/s min, 4.9 MB/s avg
CPU 6.7%

MDAC206 Disk Light driver
Random - 17.3 mS
Read Burst - 15.7 MB/s
Read Speed - 5.5 MB/s max, 2.2 MB/s min, 4.8 MB/s avg
CPU - ooops... later....

DiskGraf results:
###########################################################
Calibrate Test DiskGraf Version 1.3A Wed Apr 18 20:13:15 2007

Estimated MB/sec Write Tests 1, 2, 4 KB Blocks
0.053 0.144 0.172

Write and Read two 4 MB files, 64 KB Block Size
Data Transfer Rate 1.11 and 3.98 MB/sec
Percent CPU Utilisation 2.76 and 5.49

Writing speed is much slower than reading speed

Reading Speed Slow For Year 2007?
Is disk data fragmented? - Defragment before running?




###########################################################
Disk Test DiskGraf Version 1.3A Wed Apr 18 20:14:19 2007

Copyright Roy Longbottom 2001

Windows NT Version 4.0, build 1381, Service Pack 6
CPU GenuineIntel, Features Code 000001BF, Model Code 00000525, 90 MHz
Memory 81080 KB, Free 43452 KB
D:Disk/partition 1793 MB, Free 1431 MB
Files 2 Size 4 MB Block Sizes 10 Minimum RAM Data
Notes: IBM 9595-3QT, 6x IBM 0662-S12, ibm960nt driver

Block File ->
KB 1 2
Write MB/Second
2 0.26 0.26
4 0.28 0.36
8 0.45 0.42
16 0.66 0.65
32 0.72 0.79
64 1.0 1.1
128 1.5 1.6
256 1.9 1.9
512 2.3 2.2
1024 2.3 2.3
Read MB/Second
2 1.5 1.5
4 1.8 2.0
8 2.2 2.3
16 3.4 2.3
32 3.8 4.9
64 4.2 4.4
128 4.9 4.9
256 4.3 5.3
512 6.2 5.4
1024 6.8 6.9
Write CPU Utilisation
2 9.5 10.0
4 6.3 7.7
8 5.7 5.2
16 4.9 4.5
32 3.3 3.2
64 3.2 3.3
128 3.3 2.5
256 3.2 2.7
512 4.2 3.9
1024 3.6 4.0
Read CPU Utilisation
2 28.8 28.8
4 17.7 20.6
8 12.2 13.7
16 11.3 8.3
32 10.2 7.7
64 5.4 5.6
128 5.4 4.4
256 4.1 6.1
512 9.5 4.3
1024 4.3 4.7

DMA Reread block up to 100 times at 1 to 1024 Kbytes

Read MB/Second
1.4 2.6 4.9 7.1 10.8 14.4 16.6 17.3 19.4 20.0 19.5
Read CPU Utilisation
49.3 51.3 43.8 35.1 27.0 20.1 17.7 14.6 13.7 11.8 14.5

Random Read 1KB out of 1, 2, 4, to file size Mbytes

Read Milliseconds
3.48 6.51 5.86 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Read CPU Utilisation
11.0 6.4 6.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

End Disk Test Wed Apr 18 20:17:23 2007



###########################################################
Calibrate Test DiskGraf Version 1.3A Wed Apr 18 20:29:02 2007

Estimated MB/sec Write Tests 1, 2, 4 KB Blocks
0.067 0.167 0.267

Write and Read two 4 MB files, 64 KB Block Size
Data Transfer Rate 1.00 and 4.60 MB/sec
Percent CPU Utilisation 2.80 and 5.66

CPU Utilisation Might Be High for 90 MHz CPU
Check Results Via Main Tests

Writing speed is much slower than reading speed

Reading Speed Slow For Year 2007?
Is disk data fragmented? - Defragment before running?




###########################################################
Disk Test DiskGraf Version 1.3A Wed Apr 18 20:30:33 2007

Copyright Roy Longbottom 2001

Windows NT Version 4.0, build 1381, Service Pack 6
CPU GenuineIntel, Features Code 000001BF, Model Code 00000525, 90 MHz
Memory 81080 KB, Free 40888 KB
D:Disk/partition 1793 MB, Free 1431 MB
Files 3 Size 4 MB Block Sizes 10 Minimum RAM Data
Notes: IBM 9595-3QT, MDAC206 driver,

Block File ->
KB 1 2 3
Write MB/Second
2 0.27 0.26 0.26
4 0.35 0.28 0.36
8 0.44 0.45 0.43
16 0.66 0.65 0.68
32 0.79 0.84 0.84
64 1.1 1.3 1.2
128 1.4 1.6 1.6
256 1.8 1.8 2.1
512 2.3 2.3 2.3
1024 2.5 2.4 2.4
Read MB/Second
2 1.5 1.4 1.4
4 1.9 2.0 1.8
8 2.5 2.4 2.1
16 3.1 3.6 3.4
32 4.6 3.6 4.5
64 4.2 3.9 4.4
128 4.6 4.6 4.2
256 2.7 5.6 5.3
512 6.1 6.6 6.8
1024 2.6 6.5 6.4
Write CPU Utilisation
2 10.4 10.3 10.0
4 7.2 6.1 7.5
8 5.4 5.3 5.0
16 4.4 4.3 4.4
32 3.6 3.2 3.3
64 3.2 2.7 3.4
128 3.4 3.7 3.5
256 2.2 3.6 2.5
512 3.6 2.5 3.4
1024 4.0 2.8 2.8
Read CPU Utilisation
2 27.8 25.4 26.6
4 19.3 19.2 18.3
8 12.4 12.4 12.5
16 8.7 10.1 10.4
32 7.2 8.1 7.1
64 5.4 8.0 5.8
128 4.6 4.5 5.9
256 5.3 4.5 4.1
512 4.9 4.3 4.5
1024 2.5 4.5 5.3

DMA Reread block up to 100 times at 1 to 1024 Kbytes

Read MB/Second
1.4 2.7 5.0 7.2 10.8 14.5 16.6 18.4 19.4 20.1 19.7
Read CPU Utilisation
51.0 49.2 45.0 33.7 28.8 19.8 17.8 15.2 13.0 12.6 16.0

Random Read 1KB out of 1, 2, 4, to file size Mbytes

Read Milliseconds
3.39 6.66 4.88 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Read CPU Utilisation
11.4 6.9 8.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

End Disk Test Wed Apr 18 20:34:57 2007



###########################################################
Calibrate Test DiskGraf Version 1.3A Wed Apr 18 20:45:39 2007

Estimated MB/sec Write Tests 1, 2, 4 KB Blocks
0.068 0.167 0.279

Write and Read two 4 MB files, 64 KB Block Size
Data Transfer Rate 1.10 and 4.85 MB/sec
Percent CPU Utilisation 3.40 and 6.49

CPU Utilisation Might Be High for 90 MHz CPU
Check Results Via Main Tests

Writing speed is much slower than reading speed

Reading Speed Slow For Year 2007?
Is disk data fragmented? - Defragment before running?




###########################################################
Disk Test DiskGraf Version 1.3A Wed Apr 18 20:46:49 2007

Copyright Roy Longbottom 2001

Windows NT Version 4.0, build 1381, Service Pack 6
CPU GenuineIntel, Features Code 000001BF, Model Code 00000525, 90 MHz
Memory 81080 KB, Free 41220 KB
D:Disk/partition 1793 MB, Free 1431 MB
Files 3 Size 4 MB Block Sizes 10 Minimum RAM Data
Notes: IBM 9595-3QT, MDAC960 Disk Light,

Block File ->
KB 1 2 3
Write MB/Second
2 0.27 0.26 0.27
4 0.35 0.28 0.36
8 0.46 0.45 0.45
16 0.67 0.67 0.66
32 0.86 0.86 0.86
64 1.1 1.2 1.1
128 1.6 1.5 1.5
256 1.9 2.0 1.9
512 2.3 2.2 2.3
1024 2.2 2.4 2.4
Read MB/Second
2 1.4 1.4 1.5
4 1.9 1.9 1.9
8 2.2 2.4 2.2
16 3.3 3.6 3.2
32 4.0 4.8 5.0
64 4.8 4.4 4.6
128 4.0 4.9 4.8
256 5.4 5.6 5.5
512 6.4 6.1 6.0
1024 6.8 6.9 6.9
Write CPU Utilisation
2 10.3 10.0 10.5
4 7.9 6.2 7.4
8 5.5 5.2 5.5
16 4.4 4.5 4.4
32 3.2 3.0 3.1
64 3.1 3.0 3.0
128 3.5 3.0 2.7
256 3.0 3.0 3.0
512 2.6 2.4 3.0
1024 3.1 2.8 3.4
Read CPU Utilisation
2 26.1 25.6 27.1
4 18.4 18.5 18.6
8 12.4 12.9 12.3
16 9.2 10.7 9.6
32 6.7 9.1 8.4
64 6.0 5.8 6.6
128 5.1 4.5 4.5
256 4.3 4.0 4.1
512 5.5 4.4 5.0
1024 6.2 5.3 4.2

DMA Reread block up to 100 times at 1 to 1024 Kbytes

Read MB/Second
1.4 2.7 5.0 7.3 11.0 14.5 16.6 18.2 18.8 19.8 19.8
Read CPU Utilisation
49.9 46.9 43.1 32.8 27.4 19.8 17.1 15.9 15.1 12.2 13.4

Random Read 1KB out of 1, 2, 4, to file size Mbytes

Read Milliseconds
3.34 6.03 5.44 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Read CPU Utilisation
12.0 6.8 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

End Disk Test Wed Apr 18 20:51:08 2007


Notes: I'm not sure why DiskGraf changed the number of files from 2 to 3 after the ibm960nt pass. I didn't manually change any parameters. The disk light does work, as expected.

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