I/O device error

Mitsubishi / Mf357g-190ua
August 20, 2009 at 16:31:26
Specs: Windows XP Home, AMD 4000 4000mb ram
Windows finds this LS120 floppy with no problem but when I put a disk into the thing the light comes on for about a min. then I get:
A:\ is not accessible
The request could not be performed because of an I/O device error.
Any Ideas on how to work around this.....

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August 20, 2009 at 19:12:19
It's not a standard floppy drive, it's a ZIP drive. It connects to an IDE cable, not a floppy cable....it is NOT the A: drive.


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August 20, 2009 at 19:44:56
"Model: Mitsubishi / Mf357g-190ua"

Search using: Mf357g-190ua

LS120 Floppy Drive Mitsubishi MF357G-190UA

SuperDisk LS120 Drive - MF357G-190UA
3.5 inch IDE interface drive
Fits in standard floppy drive slot has the capacity of over 85 normal floppy disks
SuperDisk accelerator software for Windows 95 and 98 included

One more "hit" says they need drivers for Superdisk MF357G-190UA

XP should support it automatically.

It should read floppies and the proper 120mb LS120 disk.

What were you trying to read in it?

If it was a floppy, they often have previously undetected bad sectors on them, and you can get the error you're getting just from that (and for floppy drives too).
Try a different floppy disk if you haven't already.

If that doesn't help

Since it's an IDE device, you need to set a jumper on it, to master, slave, or CS (cable select).
If it's on the same data cable with another IDE device
- do NOT mix CS (cable select) and master/slave jumpering for 2 drives on the same IDE data cable - if you DID mix the two, some combos allow both devices to work properly, some DO NOT.
- this device probably requires only a 40 wire data cable, but if it is on the same cable as an IDE hard drive capable of UDMA 66 or more, or on the same cable as a DVD combo burner drive (burns and reads both CDs and DVDs ) capable of burning 16X or greater DVD -R or DVD +R DVDs, the data cable must have 80 wires.

It is common to un-intentionally damage IDE data cables, especially while removing them - the 80 wire ones are more likely to be damaged. What usually happens is the cable is ripped at either edge and the wires there are either damaged or severed, often right at a connector or under it's cable clamp there, where it's hard to see - if a wire is severed but it's ends are touching, the connection is intermittant, rather than being reliable.
Another common thing is for the data cable to be separated from the connector contacts a bit after you have removed a cable - there should be no gap between the data cable and the connector - if there is press the cable against the connector to eliminate the gap.
80 wire data cables are also easily damaged at either edge if the cable is sharply creased at a fold in the cable.

Try another data cable if in doubt.

If that doesn't help it's board is probably fried.

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