DOS/config.sys and autoexec.bat expert help required please
17 June 2004, 12:54 PM
#1
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DOS/config.sys and autoexec.bat expert help required please
OK situation is that we have an old Toshiba laptop that we are trying to boot from usb cdrom with an ibm usb cd rom device.
I have tried using generic usb cd rom drivers off the web but it wont work so I guessed IBM would be using their own set of drivers. I searched their site and downloaded a file thats used with the cd rom for doing a recovery on a specific set of ibm laptops. I created the disk and then browsed it and found specific files it uses for the usb cd rom drivers.
However I have tried copying, amending and sorting out a boot disk with these files but I can not get it to work, most probably as I am missing something very important and I am crap with config.sys and autoexec.bat!
What I want to know from an expert in config.sys and autoexec.bat is if you can take the specific drivers off the ibm disk (which I can send you) and put them on a standard windows 98 boot disk.
If any one wants to try please let me know and I will send you the IBM boot disk files and see if you can get the cd rom drivers off of it and put them into a standard 98 bootdisk correctly configured.
Cheers for any help on this
I have tried using generic usb cd rom drivers off the web but it wont work so I guessed IBM would be using their own set of drivers. I searched their site and downloaded a file thats used with the cd rom for doing a recovery on a specific set of ibm laptops. I created the disk and then browsed it and found specific files it uses for the usb cd rom drivers.
However I have tried copying, amending and sorting out a boot disk with these files but I can not get it to work, most probably as I am missing something very important and I am crap with config.sys and autoexec.bat!
What I want to know from an expert in config.sys and autoexec.bat is if you can take the specific drivers off the ibm disk (which I can send you) and put them on a standard windows 98 boot disk.
If any one wants to try please let me know and I will send you the IBM boot disk files and see if you can get the cd rom drivers off of it and put them into a standard 98 bootdisk correctly configured.
Cheers for any help on this
17 June 2004, 01:29 PM
#3
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Thanks will try some of the manual methiods on there as had downloaded a boot disk from them but it didn't work. I think IBM use their own drivers which I have got on this disk I downloaded from them but don't know how to incorporate them into the config.sys and autoexec.bat 
17 June 2004, 02:06 PM
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I'm assuming here that you have a bootdisk already, but one that just doesn't help with the USB CDROM. If that is the case.....
From a command prompt in a directory where all your IBM files are do the following.....
copy usb_cd.son a:\usb_cd.sys
copy usb_cd.sys a:\usb_cd2.sys
copy ibm*.sys a:\
copy km*.sys a:\
copy pcm*.sys a:\
copy aspiomgr.sys a:\
copy mscdex.exe a:\
In your autoexec.bat file place the line.....
A:\MSCDEX /D:USBCDROM /L:D
Save the file.
The /L:D tells it to use drive letter D, you can change that to any free drive letter if D is already taken.
In your config.sys,
add the line
DEVICE=A:\USB_CD.SYS /D:USBCDROM
Save the file.
Try rebooting with the floppy inserted. If that doesn't work, as there appear to be a number of device drivers that can go in config.sys try the following, removing each previous DEVICE= attempt first.
This might work if first attempt didn't
DEVICE=A:\USB_CD2.SYS /D:USBCDROM
This might work if second attempt didn't
DEVICE=A:\IBMDSS14.SYS
DEVICE=A:\IBMDOSCS.SYS
DEVICE=A:\ASPIOMGR.SYS
DEVICE=A:\KMECD.SYS /D:USBCDROM /N:1
This might work if third attempt didn't
DEVICE=A:\IBMDSS14.SYS
DEVICE=A:\IBMDOSCS.SYS
DEVICE=A:\PCMCD20X.SYS /I:9 /P:240 /D:USBCDROM
Remember, you only need to add the MSCDEX to autoexec.bat, all the other bits go in config.sys. Without the machine in front of me, couldn't tell you which one would work!!!!
Good luck
From a command prompt in a directory where all your IBM files are do the following.....
copy usb_cd.son a:\usb_cd.sys
copy usb_cd.sys a:\usb_cd2.sys
copy ibm*.sys a:\
copy km*.sys a:\
copy pcm*.sys a:\
copy aspiomgr.sys a:\
copy mscdex.exe a:\
In your autoexec.bat file place the line.....
A:\MSCDEX /D:USBCDROM /L:D
Save the file.
The /L:D tells it to use drive letter D, you can change that to any free drive letter if D is already taken.
In your config.sys,
add the line
DEVICE=A:\USB_CD.SYS /D:USBCDROM
Save the file.
Try rebooting with the floppy inserted. If that doesn't work, as there appear to be a number of device drivers that can go in config.sys try the following, removing each previous DEVICE= attempt first.
This might work if first attempt didn't
DEVICE=A:\USB_CD2.SYS /D:USBCDROM
This might work if second attempt didn't
DEVICE=A:\IBMDSS14.SYS
DEVICE=A:\IBMDOSCS.SYS
DEVICE=A:\ASPIOMGR.SYS
DEVICE=A:\KMECD.SYS /D:USBCDROM /N:1
This might work if third attempt didn't
DEVICE=A:\IBMDSS14.SYS
DEVICE=A:\IBMDOSCS.SYS
DEVICE=A:\PCMCD20X.SYS /I:9 /P:240 /D:USBCDROM
Remember, you only need to add the MSCDEX to autoexec.bat, all the other bits go in config.sys. Without the machine in front of me, couldn't tell you which one would work!!!!
Good luck
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17 June 2004, 02:28 PM
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LOL 
well guess what it loaded the driver from the first set of instructions but something needs tweaking as I get an error on line 24 of my config.sys which says ramdrive.sys is missing or corrupt and command.com can not load
Line 24 reads "devicehigh=ramdrive.sys /E 2048"
well guess what it loaded the driver from the first set of instructions but something needs tweaking as I get an error on line 24 of my config.sys which says ramdrive.sys is missing or corrupt and command.com can not load Line 24 reads "devicehigh=ramdrive.sys /E 2048"
17 June 2004, 02:30 PM
#11
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Fun DOS days return 
Add this line into your config.sys then (you might need to copy RAMDRIVE.SYS over onto the floppy)
DEVICE=A:\RAMDRIVE.SYS /E 4096 512 200
Just reread and see it's trying to load it. Make sure it's on the floppy, and add the A:\ prefix to make sure it tries to pick it up.
Add this line into your config.sys then (you might need to copy RAMDRIVE.SYS over onto the floppy)
DEVICE=A:\RAMDRIVE.SYS /E 4096 512 200
Just reread and see it's trying to load it. Make sure it's on the floppy, and add the A:\ prefix to make sure it tries to pick it up.
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