Grzyb wrote on 2023-02-01, 21:33:

These are the drivers I got with a 3C900 card, the 3C90XPD.COM is 2.0c - it seems to support 905 as well, but I'm not sure about […]
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Joseph_Joestar wrote on 2023-02-01, 17:55:

Can you provide a link to the packet driver version 2.0c?

I have a 3C905B-TX card and would like to try it, since I'm getting craptastic speeds with packet driver 5.2.6.

These are the drivers I got with a 3C900 card, the 3C90XPD.COM is 2.0c - it seems to support 905 as well, but I'm not sure about 905B
For 905B, it may be a good idea to try version 4.0d - hopefully easy to find, but if not, I have them somewhere...

Edit:

EtherDisk XL For The Fast EtherLink XL PCI
and EtherLink XL PCI NICs (3c90x Family)
Version 2.11
Copyright 1997 3Com Corporation. All rights reserved.

Thank you so much. I was getting annoyed trying to find this fabled packet driver version for my 3C905-TX. It works great! 😀

I get about 700k/sec on my 200mmx in DOS 6.22 transferring via FTP with this one and MTCP DHCP works. 😀

I have got 3.1/3.3 Mb/sec (upload/download) on my P1 166/I430vx/WD Caviar 2GB/DOS6.22 + 3C905-TX + MTCP last + 3C90XPD.COM 2.0c without smartdrive.
by means such settings in mtcp.cfg:

ftpsrv_filebuffer_size 16
ftpsrv_tcpbuffer_size 16
ftpsrv_packets_per_poll 10