Hi, I'm trying to upgrade a IP-423 so a Konica 7022 can have printer and scanner functions. I have the printer function running well and now am trying to add hard disk to get it up to the scanning tasks. It's running I believe 5.8x, do I absolutely have to have it at 5.90? I'm trying to avoid going through the process of Vx-Works etc. but it looks like I must. IP-423 has std. 16 MB flash card and no hard drive. There are some spares which I thought I might be able to use (despite the factory warnings in the manuals); specifically I have an old Toshiba PCMCIA 2 GB hard drive, and also a PCMCIA to CF flash adapter with a 2 GB CF flash card. Is it possible to use either in the PCMCIA slot?