there are few ways you could manage this problem, let's start with the most directly related to your answer first...
1). Read up on DOS INTERLINK/INTERSVR command. Through this you can transfer information to the other PC via serial/parrallel cable. Use this link for more info:
---http://www.arkanda.net/more/dcc_links.htm--
2). Use third party software, such as Partition Magic, resize the bigging of the current partition, creating another partition at the begining of th HD and then format the new partition as c:\ and relable the old existing partition as d:\, Info for Partition Magic here:
--http://www.powerquest.com/partitionmagic/--
3). You could use scan disk to do a thourgh scan and record the address of the damaged clusters, thus create a new partition containing the damaged section within a partition of it's own, a partition you don't use preventting spreading the damage area.
4). Purchase a new HD, format it but not system bootable, connected as a Primary Slave IDE drive, boot from cd, xcopy files from drive to drive, Disconnect 3GB drive c:\, configure New Drive as Primary Master drive, boot from cd and use the DOS "SYS.COM" command to partition system bootable. More info on sys command:
--http://www.computerhope.com/syshlp.htm--
If i were to suggest one of these answers, it would be number 4. "IF" being the operative, my true suggestion, buy a newer, bigger HD and and consider it your PC's way of saying: "Upgrade!"
