SPI Reference Summary
SPI Standard Definitions
SPI Reference Summary—427507-006
1-25
Subsystem Numbers
ZCP6 26 CP6100
ZCPS 266 CPS Matrix SMLC CBB 4.2 Subsystem
2
ZCPU 15 CPU Central processor microcode and memory 
manager
ZCRE 133 SNAXCRE SNAX Creator-2
ZCSM 27 CSM Communications Subsystem Manager
ZCSS 71 CSS HP Tandem Maintenance and Diagnostic 
System (TMDS) for CSS
ZDCE 188 DCE Distributed Computing Environment
ZDCS 32 DCOMDSAP DCOM and Disk Space Analysis Program 
utilities
ZDDN 44 Defense Data Network (DDN)
ZDGN 84 Diskgen
ZDIO 209 DIO Direct-bulk I/O
ZDLD 267 DLD Deadlock Detector Subsystem
2
ZDLL 260 DLL DLL Subsystem
ZDMP 151 DMP HP Tandem Failure Data System
ZDNI 103 DSM NetView Interconnect
ZDNS 5 DNS Distributed Name Service
ZDOM 216 DOM NS-DOM
ZDPA 233 Data Path Adapter
ZDSC 34 DSC Dynamic System Configuration
ZDSK 31 DISK Disk process
ZDSL 225 DSL Dynamic Update of System Library
ZDSN 82 DSNM Distributed Systems Network Management
ZDTS 154 DSM Template Services
ZDUA 100 DUA OSI Directory User Agent
ZE2A 251 E2A J2EE 1.3 Compliant Application Server
ZEDF 128 Event Distribution Facility
ZEIC 174 ElInv Electronic Inventory
ZEM3 109 EM3270 EM3270
ZEMA 126 EMS Analyzer
ZEMS 12 EMS Event Management Service
ZENF 58 Enform
Subsystem 
(ZSPI-SSN-)
Subsystem
Number Mnemonic Description (page 3 of 10)
1 Subsystem 265 is supported only on systems running H-series RVUs. 
2 Subsystems, 266 and 267 are supported only on systems running G-series RVUs.










