Internet Tools (InfoMagic)/Internet Tools.iso/dos_win/winsock/maillist/94-05.Z/94-05/[e-mail]_Mon May 19 06:36:16 1994.msg

Internet Message Format | 1994-05-31 | 6KB

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Date: 19 May 1994 06:36:16 GMT
From: [e-mail] (Jerry Lahti)
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Subject: Re: 32 bit access with SCSI no available. Hunh? was Re: Win Mosaic alpha 4 (my fix)

[e-mail] (Chris.Glasser) writes:


>PLEASE, PLEASE PLEASE someone tell me what the difference is between
>32-bit DISK access and 32-bit FILE access. I know it was discussed before,
>but like a bozo, I wasn't paying attention at the time, and now I really

In Windows for Workgroups 3.11, enabling 32-bit file access
makes WfWG to bypass the file access functions of MS-DOS, and
to use instead an Enhanced mode (protected mode 32-bit code)
file system driver which is compatible with the MS-DOS file system.
This file system driver does its own (write-back) hard disk caching in
protected mode instead of using SMARTdrive services.  This helps
the system to avoid expensive protected mode/virtual-8086 transitions
which would be needed if MS-DOS system calls were used.  The protected
mode implementation may also be somewhat more efficient since it
can use 32-bit instructions and there are not quite so much pressure
to keep the code small, even at the cost of speed.

32-bit disk access refers to the ability to access the disk controller
hardware directly from a protected mode driver, instead of going through
the system BIOS with software interrupt 013h.  The benefit is again
that there are a lot fewer expensive protected mode/virtual-8086 mode
transitions.  If 32-bit file access is not used, 32-bit disk access
helps mostly (only?) to speed up access to the permanent swap file.
However, if 32-bit file access is also used, essentially all file
and hard disk operations will run continuously in protected mode,
without any awkward processor state switches - just as if Windows
for Workgroups were a real operating system. ;-)



--
Jerry Lahti             !  tel. [phone]
ICL Personal Systems Oy !  fax. [phone]
P.O.Box 780             !  Email: [e-mail] (Internet)
00101 Helsinki, Finland !  X400:  C=FI A=MAILNET P=ICL O=ICL S=LAHTI G=JERRY
From [e-mail] Mon May 19 07:59:22 1994
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From: [e-mail] (bruno minoja)
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Subject: Xwin on DEC


 Hello friends,

  Anyone know how to solve the right interpretation on pc key AltGr
  using Xwin with vt300 emulation (DECstation) ?

                          Thanks to all

                           Bruno



------------------------------------------------------------------------

Bruno Minoja
Cilea (Consorzio Interuniversitario Lombardo Elaborazione Automatica)
Graphics Department
Via R. Sanzio 4
Segrate Milano Italia
e_mail : [e-mail]
fax   : [phone]
voice : [phone]
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From [e-mail] Thu May 19 07:54:27 1994
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From: [e-mail] (Doug Jones)
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Subject: Re: Is Microsoft TCP/IP available via FTP

In article <[e-mail]> [e-mail] (Jim Williams) writes:
>From: [e-mail] (Jim Williams)
>Subject: Is Microsoft TCP/IP available via FTP
>Date: Mon, 16 May 1994 11:00:16

>I am running Winqvt  WfWG. In reading the documentation, the author says I
>need Microsoft TCP/IP if I am running under WfWG.

>Does Microsoft provide this product free to users of WfWG? If so, does anyone
>know if I can ftp somewhere to get it.

I saw the other posts and thought I'd clarify the rather confusing answers.
Microsoft has a 32-bit protected mode Winsock MS TCP/IP (Daytona beta)
which is available free to any owner of WFWG 3.11. It is on their
anonymous ftp server: ftp.microsoft.com in the path peropsys/WFW/tcpip/vxdbeta
and the self-extracting archive is mtcpb2.exe.
The OTHER TCP/IP which was mentioned in the path Advsys/,,, is a much older
real mode DOS implementation which is a real memory pig and not
the optimum for Windows apps.
Good Luck
Doug
[e-mail]