University Challenge scored 520 points in the final ITV season in 1987. In the Jeremy Paxman era, the team from Open University scored the highest score, 415, in the semi-final in 1997 against Charing Cross Hospital. The producers of the programme have taken the more recent inclusion of mature students to its logical conclusion by making two series without any student participants: "University Challenge Reunited" (2002) brought former teams back together, while "University Challenge: The Professionals" (from 2003) matched occupational groups such as civil servants, architects and doctors against each other. In 2003, the former was won by the 1979 team from
SGI Challenge board, the "IP25" was introduced. The new CPU board, like previous IP19 CPU board, support four processors each and their associated secondary caches. The CHALLENGEarray and POWER CHALLENGEarray is a cluster of Challenge or POWER Challenge servers respectively. The CHALLENGEarray supports 2 to 288 R10000 processors while the POWER CHALLENGEarray supports 2 to 144 R8000 processors and up to 128 GB of memory. The POWER CHALLENGEarray was introduced on 15 November 1994. Other systems from Silicon Graphics that used the "Challenge" brand were the Challenge M and the Challenge S. These systems were repackaged Silicon Graphics Indigo2 and Indy workstations