Backup problems

[OzzieGeorge]

I look after just 1 of the systems known in Australia as the 7400 ICS 140 which was probably marketed in America under the 2400 line. However whilst both systems use the old DOS MAT the backup command changed from DMBU to BKUPI. Hopefully that will help identify the model.

My problem is that having loaded the software onto my laptop, everytime I try to run a backup I get the following error....

I/O Error: File allocation table is wrong

Anybody else seen this and if so how did you get round it?

Some background, I am using an RS232 USB adaptor (tried 2 different ones) and the Disk the software is on is formatted as NTFS

 

[Billz66]

From memory the pc must be old slow ( 486ish) , partition size shouldnt be larger that 1G and fat16 ( possibly fat32) definitely not ntfs

 

[OzzieGeorge]

Everything else works though!

Whats more I can actually run the older version and get a backup using DMBU. I just don't know if that would be restorable!

 

[Billz66]

Yep , the joys of well written NEC software
I cant remember extactly but i think that 2400XE mat ( pre7400) worked on a wider variety of filesystems and operating systems but 7400 didnt.

I wouldnt trust a backup made with anything but 7400 mat as you will probably find it wont restore.

There are only a couple of these systems left in Adelaide now and they are a pain for just that reason.
We still keep an old dos laptop for SDS , ics 120 and 7400 backups with pcpclus for modem access