Does Apple warrant my Xserve service?
For Xserves under Apple’s One-Year Limited Warranty, Apple warrants against defects that arise from service performed for 90 days from the date of service or for the remaining period of the warranty, whichever provides longer coverage for you. For Xserves not under Apple’s One-Year Limited Warranty, Apple warrants against defects that arise from service performed for 90 days from the date of service.