Reminder - this weekend (May 30 - 31) the QEDIT Echo will be replaced 
with the SEMWARE Echo on the FidoNet backbone.  Be sure to send in (or ask 
your sysop to) a AreaFix request for SEMWARE on Sunday.
   Stu Turk
       QEDIT/SEMWARE co-moderator
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Next conference: FIDO Message Area
Next topic: 153 Commo

FIDO MESSAGE AREA==> TOPIC: 153 COMMO         Ref: C3A00010 Date: 03/02/95
From: DOUG WHITE                                            Time: 12:47pm
\/To: ALL                                                 (Read 13 times)
Subj: DSZ -> ZedZap

Hello All!
For all of you who didn't see my msg to Carl Morris.
Listen up, people.  This is how to make ?SZ use "ZedZap" parameters, using
DSZ as an example:
                       vvvvvv This is the significant part!!
DSZ port 1 speed 57600 pL8192 sz file.txt
The pLxxx command sets the "subpacket" length to x bytes.  Normal ZModem uses
1024 bytes, while the ZedZap specification uses 8192 byte blocks.
Although strange, a quote from a doc may help.  Registered ZModem users
will recognise this one.  This is from the section on "Numeric
Parameters."
== Begin DSZBG.DOC cut ==
L (Default 0) If non zero, overrides the nominal length of data subpackets 
within each ZMODEM frame.  A smaller value speeds error recovery on noisy 
lines, a large value (maximum 1024) reduces the overhead of CRC characters. 
The call command resets this parameter to 0.
  Please note that streaming ZMODEM has no direct equivalent to 
XMODEM/YMODEM/JMODEM block length unless the zmodem l parameter is set non 
zero.  In the absence of errors, ZMODEM normally sends the entire file 
without pause.  If somebody claims ZMODEM's 1024 byte subpacket length is 
slowing things down by more than one half per cent, he doesn't understand 
ZMODEM and should be ignored.
== End ==
Frankly, I see no change in transmission speed with the larger blocks, at
least under FrontDoor.  In fact, it will slow things down, since FD has to
resend the *entire* 8k block.  IMHO, ZedZap is overhyped.  
Make your own judgements.  Your mileage may vary.
Enjoy.
Until swords part,
Doug White -=- Internet: dwhite@efn.org
... (D)inner not ready:  (A)bort (R)etry (P)izza
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