PDF files of original Z88 Service Manual :

Cover and Table of Content

Section 1 : Z88 System Description

Section 2 : Assembly / Disassembly

Section 3 : System Test

Section 4 : Fault Diagnosis and Repair

Section 5 : Parts List

Appendix A : Test Equipment

Cambridge Computer patents related to Z88 :

Z80 Clock Patent

Slot Connector Patent

RAM Patent

Data sheets files of Z88 main integrated circuits or known working memory replacement :

CMOS Z80 CPU (Z84C00)

Blink Gate Array uPD65000 Series

512K Flash Eprom (Am29F040)

512K Flash Eprom (A29040C)

512K Static Ram (HM628512)