OS/2, eCS & ArcaOS - Technical > Applications

Phantom Optical Drive

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Mark Szkolnicki:
Hi All!

Since I've had some time to hang around the forums, instead of constantly being on the road, I thought I'd bring a rather strange little problem here, that I encountered when installing ArcaOS v5.0.1, to see if anyone has encountered it and has a workaround.

ArcaOS is installed on a system with two Optical Drives - one (Drive S:) DVD and one (Drive T:) a Blu-Ray.

Since installation, the Drives folder has three Optical Drive icons - the aforementioned ones .......... and a phantom "Drive U:".

Clicking on that drive, with discs in the others, it doesn't seem to be aliasing the others, and without being able to put a disk in to a drive, I can't access the Properties menu.

The set for RESERVEDRIVELETTER=R. I suspect this is an artifact from the installation, but I've not encountered it before, installing eCS or OS/2 in the past.

Anyone ran into this one before, and found a workaround? Its a rather minor issue, but I would be interested in seeing if there's a way to do something about it.

Best!

M

Neil Waldhauer:
I suppose you could have specified a USB cd-rom drive in your config.sys

I'm on the road, so I can't tell you which USB driver.

Doug Bissett:
By default, you will install support for a USB CD/DVD drive (you can turn that off in the pre-boot menus for the installer). It adds the line "BASEDEV=USBCDROM.ADD..." to CONFIG.SYS. If you have a USB CD/DVD drive, you may want to keep that. If not, REM the line in CONFIG.SYS.

Mark Szkolnicki:

--- Quote from: Doug Bissett on April 17, 2018, 11:16:51 pm ---By default, you will install support for a USB CD/DVD drive (you can turn that off in the pre-boot menus for the installer). It adds the line "BASEDEV=USBCDROM.ADD..." to CONFIG.SYS. If you have a USB CD/DVD drive, you may want to keep that. If not, REM the line in CONFIG.SYS.

--- End quote ---

That was the culprit.

I don't use a lot of USB devices other than sticks so didn't even think of it. I also wasn't aware that USB would reserves a letter for Optical drive, based I assume on whatever RESERVEDRIVELETTER is identified in CONFIG.SYS and the other physical drives present.

The appropriate line I REM'D out was

BASEDEV=USBCDROM.ADD /CDS:1

So I learned something today.

Thanks Doug (and Neil) and Best!

M

Doug Bissett:

--- Quote ---I also wasn't aware that USB would reserves a letter for Optical drive, based
--- End quote ---

You should turn it off, if you don't need it. It is on the second pre-boot setup page. Personally, I think it should be off, unless a user needs it, but I was out numbered on that one.

I suggest that users should very carefully read every setting, until you have done it enough times to know what is there. Even then, you may find some new things in future releases, so watch carefully.

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