Re: File Transfer Problem (IIgs)

[Long Hoang <lbhoang@yahoo.com>]

Iosaef the Irascable <skid@tigressSPAMNOT.com> wrote in news:lXAF9.22066
$0n4.2375348@newsfeed.slurp.net:

> Hey everyone!
> 
>     Now, here's an interesting problem I've been having.  Is it me, the 
> SCSI bus, GS/OS, or something else? ...
> 
>     I keep all of my software, and diskettes backed up on multiple 
> media.  In the case of my IIgs, it's on a spare HDD partition, Zip 
disk, 
> and CD-ROM (after serial transfer to my PC for burning).
> 
>     The problem is that when I try to Unshrink a file directly off of 
CD 
> (GSHK 1.1), most of the time, it'll bring up numerous CRC errors, and 
> occasionally a fatal (to the decompression) error.  Now, copying those 
> files to the HDD -partially- solves that problem.  However, it doesn't 
> always...
> 
>      What makes the problem a mentionable one on here, is that 
identical 
> files (from earlier CD backups, from the HFS partition, from a ProDOS 
or 
> HFS formatted Zip Disk, from a serial-transferred version, or from a 
> pre-existing SHK on my HDD), will sometimes exhibit this behavior, 
> sometimes not.  Sometimes, all I have to do is re-unShrink the SAME 
FILE 
> (even off of CD!) to get a successful decompression.
> 
>       I've used GS/OS to verify the ProDOS media, and it all comes up 
> okay.  This is what caused me to recently reformat my main boot/apps 
> partition, and try to (re)install all of my apps from scratch.
> 
>       I've even tried to "re-engineer" most of my archive files from 
the 
> originals, or other sources that I have handy (such as earlier 
backups). 
>   This is the fourth time, and it's gotta be something other than the 
> serial connection (I use ZModem CRC in 32 bit mode, ProTerm 3.x).  This 
> problem isn't going away, and I'm nearly at my wit's end.  (Why can't I 
> ever have *simple* problems? LOL!)
> 
> Anyone have ANY idea what I'm doing wrong?  I've checked the FAQ and 
> either I'm blind, or I came up dry...  Thank you all. :)
> 
> Take Care!
> Josef
> 
> Hardware configuration:
>    IIgs ROM 03, System 6.0.1 (recent reformat)
>      GUPP 1.0.7
>      RAMFast GS/OS driver from ROMdisk.
>      Patched HFS.FST
>    4MB RAM card (QRAM)
>    (S3) ZipGSX 9Mhz, 32k cache
>    (S7) RAMFast SCSI Rev. D:
>         ID 0: "QDrive" 270MB
>           "Grimm"      32MB ProDOS
>           "Data"       32MB ProDOS
>           "Archives" ~198MB HFS
>         ID 1: Apple CD300i "MATSHITACD-ROM CR-8004" (ext. enclosure)
>         ID 6: Iomega Zip Plus 100MB
>           Variable ProDOS/HFS partitions
> 
> PC:
>    Celery 400, Win98SE, 128MB/30GB, EZ-CD Creator 3.5c
>      HP 8200i 4x burner


I've seen this before myself.  Trying turning off DMA on the Ramfast 
and/or set the Ramfast slot (slot 7 for you) to slow on the Zip GSX.  I 
know it's not a fix but at least the reads won't corrupted.