Heath, Steve The PC and MAC handbook systems, upgrades and trouble shooting - Oxford Butterworth-Heinemann 1995 - xxiii, 567 p. : ill. ISBN: 0750622296 Subjects--Topical Terms: COMPUTERSIBM-COMPATIBLE COMPUTERS--REPAIRINGIBM-COMPATIBLE COMPUTERS--UPGRADING LC Class. No.: QA 76.8.I12 Hea