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Siemens PG710 Plus

Posted: Thu May 19, 2016 6:57 am
by FRD66
Hi everybody, this is my first post in the forum.

A friend of mine has given me a PG710 Plus which had a hard drive crash and it was not booting at all and also floppy disks are lost, I have found a hard disk and installed dos 6.22 and STEP5 7.23 on the new hard disk, unfortunately when I run STEP5.exe in S5_SYS folder because of low RAM it can not run, gives No HIMEM.SYS or not enough XMS memory error, I tested on a virtual machine and you can run STEP5 7.23 with 8 MB of RAM, as you know PG has 2 30pin SIMM and because these are really old RAM modules I can not find RAM for it, wanted to know whether anybody can help me so that I got it up and running.

My current PG has 640kB system memory and 1024kB extnded memory, want to know what was the original DOS and STEP5 version available on PG710 Plus?