Help Me: Dos "Invalid partition table" errot

Help Me: Dos "Invalid partition table" errot

Post by Coke » Fri, 19 Nov 1993 09:02:00



I have a 386DX/25+387 8MB ram IBM DOS 6.1 and a 116MB drive partitioned like:

Bootable 31MB (DOS)
Bootable 75MB (Linux native)
         9MB (Linux swap)

A
When I boot without the Linux boot disk in my drive, I get the message "Invalid Partition Table" and the machine freezes.  I've run FDISK/MBR from DOS, and it does no good.  This is starting to bothe rme because I have to have two boot disks: Linux and DOS to do what I need.  On top of that, the DOS Emulator won't compile...

Thanks
for
your
help

 
 
 

Help Me: Dos "Invalid partition table" errot

Post by Sarr J. Blums » Fri, 19 Nov 1993 23:46:50



|> I have a 386DX/25+387 8MB ram IBM DOS 6.1 and a
|> 116MB drive partitioned like:
|>
|> Bootable 31MB (DOS)
|> Bootable 75MB (Linux native)
|>    9MB (Linux swap)
|>
|> A
|> When I boot without the Linux boot disk in my
|> drive, I get the message
|>  "Invalid Partition Table" and the machine
|> freezes.  I've run FDISK/MBR from DOS, and it
|> does no good.  This is starting to bothe rme
|> because I have to have two boot disks: Linux
|> and DO|> S to do what I need.  On top of that,
|> the DOS Emulator won't compile...
|>

I assume that when you say that both partitions are bootable you mean you've
marked both of them active with FDISK.  You can't do that with the standard
DOS boot record, since it has no way of figuring out which to boot from.

It sounds simple, but it took me awhile too,

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1. * HELP - "Invalid partition table" after installation of Slackware 3.2

Help!  I'm a Linux newbie e-mailing this from a computer at school since
I can't boot Win95 off my own HDD right now.  Please send any replies to

where she can print up replies).

I was running Win95 OSR2 (with FAT 16, not FAT32) on my:

IBM 6x86 P166+GE
512k PBC
32MB 60ns EDO
3.2GB Quantum Fireball E-IDE HDD

My HDD had a 1000MB primary and an extended DOS partition with several
logical drives.  I backed up my *most* essential files, zipped everyting
up from the extended partition and moved it to the primary partition.

Then I deleted my extended DOS partition with DOS FDISK, repartitioned
it with Linux FDISK, and installed Slackware 3.2/Linux 2.0.29 I tried to
reboot of the HDD so that my wife could use Win95 and I got the
following:

Invalid partition table

I can boot from my boot diskettes (Linux, LILO, and Win95), but not my
HDD.  Between the Linux installation and setup I tried to reboot off
/dev/hda1 so my wife could use Win95 and I think that's when it got
messed up.

After I got the Invalid partition table message I used the Linux
bootdisk and rootdisk to continue on with Linux SETUP.  After SETUP I
rebooted with my Win95 bootdisk and used DOS FDISK to check out the
partitions I had created from Linux.  Then I used DOS FORMAT on the
logical drives that I had created in the new extended partition.

From Linux my partitions and logical drives look something like:

Device     Boot...  Blocks...  System

/dev/hda1   *       1024096+   DOS 16-bit >=32M
/dev/hda2   *        616896    Linux native
/dev/hda3             36288    Linux swap
/dev/hda4           1463616    Extended
/dev/hda5            512032+   DOS 16-bit >=32M
/dev/hda6            512032+   DOS 16-bit >=32M
/dev/hda7            258016+   DOS 16-bit >=32M
/dev/hda8            128992+   DOS 16-bit >=32M
/dev/hda9             52384+   DOS 16-bit >=32M

Please help me.

TIA,


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