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DOS Hdd / Removable scsi speed test program??

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First post, by MRVFONE

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Hello all,

I have some old dos scsi drives / removables i want to speed test. But having issues finding a program that will bench mark other drives than the stock HDDs in my retro PC's in real DOS.

I have tried Phils Computer lab benchmark pack. But it will only do main hdd's not removables or scsi etc.

I have tried "read speed" Same as above.

What do other people use??

Thanks, Tim.

Reply 1 of 6, by Grzyb

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Just create a large file, and then:

ptime copy /b testfile nul

"ptime" is any of the DOS ports of the Unix "time" command - see eg. the attached thing.
Works always, even with network drives, where there's no access to the sector level.

Nie rzucim ziemi, skąd nasz root!

Reply 2 of 6, by AncapDude

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If I remember correctly Dr. Hardware Sysinfo has a benchmark option with chooseable drive. Give it a try. It's Shareware and still buyable today if you like it.

Reply 3 of 6, by Disruptor

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(troll) Coretest (/troll)

Reply 4 of 6, by Riikcakirds

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In around 1994 with DOS 6.22 I used a batch file, very primitive using a 100MB folder.
echo %time%
xcopy /s folder nul
echo %time%

Then divide the 100MB by the time difference in seconds for MB/s.
I don't think dos batch files could do math operations back then, like subtracting to find the start - finish %time% difference.

Reply 6 of 6, by Grzyb

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Riikcakirds wrote on 2025-10-11, 23:45:

echo %time%

Doesn't work in DOS 6.

The following does work:

echo.|time

Nie rzucim ziemi, skąd nasz root!

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