https://gunkies.org/wiki/HSC50_Hierarchical_Storage_Controller

	Title	Order No
	Parent
	HSC Controller Installation Manual This manual provides installation, setup, testing, and upgrade procedures for the Hierarchical Storage Controller (HSC) family of products.	EK-HSCMN-IN-002
	HSC Service Manual Service manual for the HSC70, HSC50 (modified), and HSC50 mass storage controllers.	EK-HSCMA-SV-001
	HSC50 Level 1 Maintenance Cource Workbook Volume 1	EY-1170E-SG
	HSC50 Maintenance Guide A comprehensive maintenance and troubleshooting reference for the HSC50 Mass-Storage Controller.	AA-P672A-TK
	HSC50 memos	XX-5E407-60
	HSC50 Storage Controller Illustrated Parts Breakdown	EK-OLA75-IP
	HSC50 Storage Controller Illustrated Parts Breakdown This document provides an illustrated parts breakdown for the HSC50 Storage Controller, identifying components and subassemblies for maintenance and repair.	EK-HSC50-IP-004
	HSC50 Users Guide	EK-HSC50-UG
	HSC50/70 Hardware Technical Manual This manual provides a technical description of the HSC50 and HSC70 mass storage server hardware for field service personnel.	EK-HS571-TM-001
	HSC65 and HSC95 Controllers Installation Manual Installation and upgrade procedures for the Digital Equipment Corporation HSC65 and HSC95 controllers.	EK-HSCCN-IN.A01
	HSC70 Mass Storage Server Service Manual This manual provides service and maintenance information for the HSC70 Mass Storage Server, including diagnostic procedures and replacement instructions.	EK-HSC70-SV-002
	HSC70/40 Storage Controllers Illustrated Parts Breakdown This document is an illustrated parts breakdown for the HSC70 and HSC40 storage controllers, providing detailed diagrams and part numbers for maintenance and assembly.	EK-HSC70-IP-003
	Preliminary HSC50 Host Interface Specification Version 0.9 This document specifies the host interface and control protocols for the HSC50 controller.	4-3-HSC50
	VAXcluster Maintenance Student Workbook Volume 2 This document is the second volume of a student workbook focused on maintenance of the HSC50 and HSC70 VAXcluster storage controllers.	EY-9222E-SB-0001

---

Site structure and layout ©2026 Majenko Technologies