MSX disk benchmark tool

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By sd_snatcher

Prophet (3458)

sd_snatcher의 아바타

23-04-2011, 03:33

Quite some time ago, I remember I used a disk benchmark tool. Unfortunately I couldn't find it and don't remember it's name anymore. Does anybody know where some tool like that can be found?

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By ant0niutti

Master (159)

ant0niutti의 아바타

26-04-2011, 00:34

By sd_snatcher

Prophet (3458)

sd_snatcher의 아바타

26-04-2011, 23:32

Bingo! That's the tool.

By sd_snatcher

Prophet (3458)

sd_snatcher의 아바타

21-05-2017, 03:56

Sorry for necromancing such an old thread, but DOSSCAN doesn't seem too work on Nextor 2.1.x. Not even if I use NSYSVER to force the reported version to 2.20: in this case the utility is at least convinced to run, but doesn't do anything useful.

Are there any other disk benchmark utilities that are compatible with Nextor 2.1.x?

By msd

Paragon (1461)

msd의 아바타

23-04-2021, 21:20

@sd_snatcher DOSSCAN will not work because it uses 16bit sector read. It should still work on fat12 using nextor.

By Manuel

Ascended (18092)

Manuel의 아바타

23-04-2021, 22:09

I was also quite disappointed that my trusty old DOSSCAN didn't work in Nextor, was curious about the speed of nextor/Carnivore2/CF card/turboR combi.... but now I see this thread and indeed, on my FAT12 partition, using NSYSVER, it works!

Who is 'rowi' who made this tool?

Oh, for those interested: it reported 458kB/s. That's faster than on my Novaxis SCSI with a physical hard drive, which got me 400kB/s on my turboR, if I remember correctly Smile When I run it on a Nextor RAMdisk of 1MB, I get 504 kB/s! That's pretty fast.

By msd

Paragon (1461)

msd의 아바타

23-04-2021, 22:27

I was thinking of disassembling dosscan and see if I can modify it. I think it needs 2 modifications. use Read absolute sectors from drive (_RDDRV, 73h) with 32 bit sector number and get the correct number of sectors from _DPAR.Wwhen there are more than 65535 sectors the 32 bit sector count is stored at a different offset in the data returned by _DPAR.

You needed to use NSYSVER?

By msd

Paragon (1461)

msd의 아바타

23-04-2021, 22:28

btw Manuel , set buffers =5 will increase the read speed

By Manuel

Ascended (18092)

Manuel의 아바타

24-04-2021, 10:11

Yes, NSYSVER was needed.

By msd

Paragon (1461)

msd의 아바타

25-04-2021, 12:35

I got dosccan working in Nextor . Removed the msx-dos2.sys version check, now it only checks the kernel version.
Added Nextor running check. Added Nextor sector read when Nextor is used. Set the max sector on 65535 when partition has more sectors than 65535 .

With dosscan /t I get 327KB/s on the OCM . Not as fast as the novaxis scsi but close ( with my own novaxis rom I reached 347KB/s because I used INI instead of INIR.

By Manuel

Ascended (18092)

Manuel의 아바타

25-04-2021, 18:20

My numbers were with default options. Can you make the update available?

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