It could depend on a couple of things I should imagine:

a) Whether the win file is fragmented on your PC's hard disk
b) Whether the win file is full so each write it has to be extended first to make room c) The size of your swap file on the PC and how that is being used (again that may be fragmented)

Rich

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Rich Mellor RWAP Software www.rwapsoftware.co.uk www.sellmyretro.com

On 2016-08-05 17:11, François Van Emelen wrote:
Hi,

Why is writing to WIN device so slow compared to writing to RAM and DOS device?

Converting a 500KB DBF-file (dbase3/foxbase) DBS-file from dos1_

1) to RAM1_ less than 15 sec.

2) to DOS1_ less than 20 sec.

3) to WIN2_ more than 25 MINUTES

Why such a huge difference?

François Van Emelen



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