Dear list, Our DCS is made of 51D machines (which fail frequently) running I/A v.6.2.x. The 51D workstations have been announced to be obsolete by end of March-08 and we run out of spares. I would like to know if there are replacement machines that don't require hardware upgrades. Moreover, can 51G or 51F be such an optimum replacement for our case. Or if you there is another alternative (other than Windows XP platform), please advise. Thanks. Fahad Al-Amer DCS Engineer Haradh Gas Plant e-mail: fahad.amer@xxxxxxxxxx <mailto:fahad.amer@xxxxxxxxxx> e-Fax: +966 3 874-4444 ext. 105945 , Tel: +966 3 576-2223, Fax: +966 3 576-2717 _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave