Do you have problems with Network (slow, no connection, ..), Audio (hangs, clicks, ..), USB (attached devices are not visible, slow work, etc)?
Do you use ACPI.PSD driver (check: bootable volume -> config.sys -> psd=acpi.psd)?
Start reanimation of eCS PC from this article:
Configuring ACPI driver for eComStation 2.0 -- http://ecomstation.ru/showarticle.php?id=233
(links to databases, how to resolve IRQ conflicts)
More frequently asked question and answers -š eCSFAQ -- http://ecomstation.ru/ecsfaq