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Question Iomega 250MB PCMCIA-->USB problem? 

Forum: PCMCIA ATA/IDE Device Issues
Date: 2000, Feb 05
From: Michael Marder marder

I have a PCMCIA --> USB converter for a 250 MB zip drive.

All at first appears to work. I can mount the drive, have created a Linux partition with fdisk followed by mkfs, and can write files to the disk. However, I find the all long files copied to the disk are corrupt, with occasional binary garbage injected into the files.

Guesses are that either I've done something dumb with the filesystem, or else there is some sort of buffering problem.

Diagnostics: cardctl version 3.0.9

from cardctl config
Socket 1:
  Vcc = 5.0, Vpp1 = 0.0, Vpp2 = 0.0
  Interface type is memory and I/O
  IRQ 10 is exclusive, level mode, enabled
  Function 0:
    Config register base = 0x0400
      Option = 0x41, status = 0000, pin = 0000, copy = 0000
    I/O window 1: 0x0100 to 0x010f, auto sized

kernel version 2.2.5-15 (Red Hat 6.0)

From /var/log/messages:

Feb  5 11:30:44 gimou cardmgr[535]: socket 1: ATA/IDE Fixed Disk
Feb  5 11:30:44 gimou cardmgr[535]: executing: 'insmod /lib/modules/2.2.5-15/pcmcia/ide_cs.o'
Feb  5 11:30:54 gimou kernel: hde: IOMEGA ZIP 250 ATAPI, ATAPI FLOPPY drive 
Feb  5 11:30:54 gimou kernel: ide2 at 0x100-0x107,0x10e on irq 10 
Feb  5 11:30:54 gimou kernel: hde: 244766kB, 489532 blocks, 512 sector size 
Feb  5 11:30:54 gimou kernel: hde: 244736kB, 239/64/32 CHS, 4096 kBps, 512 sector size, 2941 rpm 
Feb  5 11:30:54 gimou kernel: hde: The drive reports both 250609664 and 250640384 bytes as its capacity 
Feb  5 11:30:54 gimou kernel:  hde: hde1 
Feb  5 11:30:54 gimou kernel: ide_cs: hde: Vcc = 5.0, Vpp = 0.0 
Feb  5 11:30:54 gimou cardmgr[535]: executing: './ide start hde'
Feb  5 11:30:54 gimou cardmgr[535]: + ./ide: /sbin/ide_info: No such file or directory
Feb  5 11:34:45 gimou kernel: hde: The drive reports both 250609664 and 250640384 bytes as its capacity 
Feb  5 11:34:49 gimou kernel:  hde: hde1 

That comment about two sizes of the disk doesn't sound too good, but apart from deleting old partition and creating new one and formatting it, which I did, I'm not sure what else to check. Could absence of ide_info cause problem? Are there any places to look for buffer overflows of some sort?

Thanks! Michael Marder

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Messages Inline: 1 All Outline: 1 3 All

1. More More information by Michael Marder, 2000, Feb 08
(_ None Maybe some useful information by David Hinds, 2000, Feb 08
(_ Ok Untitled by Michael Marder, 2000, Feb 09

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