VAX-11/780 Documentation
VAX-11/780 Documentation describes the Digital Equipment Corporation documents for the VAX-11/780 held as PDFs here. Many more VAX-11/780 manuals, print sets and microfiche are on bitsavers and in the archive.org collection "VAX-11/780 Manuals".[1][2]
VAX-11/780 Power System Technical Description (EK-PS780-TD-001)
[edit | edit source]DEC's VAX-11/780 Power System Technical Description, EK-PS780-TD-001, first edition, March 1979, 172 PDF pages, written for DEC field engineers.[3]
Contents: 1 Introduction, with the list of power system drawings (Table 1-2); 2 Performance specifications for the main cabinet, the 869, 866 and 861 power controllers, the H7100 supply and its regulator options (Table 2-6), the H765 supply of the BA11-K box and the H7111 and H7112 battery supplies (pp. 2-1 to 2-21); 3 Power system description: cabinet configuration, AC distribution and the power control bus, DC distribution and the H7100, power-fail sequencing, battery backup, overtemperature and air flow sensors, cabling and grounding (pp. 3-1 to 3-89); 4 H7100 functional description by circuit block; appendix A, grounding; appendix B, H7100 power supply and regulator replacement.[3]
It has no parts lists; the H7100's are in the print set below.
Download: VAX-11 780 Power System Technical Description (EK-PS780-TD-001).pdf
VAX-11/780 Installation Manual (EK-SI780-IN-002)
[edit | edit source]DEC's VAX-11/780 Installation Manual, EK-SI780-IN-002, second edition, January 1982, 145 PDF pages.[4]
Contents: 1 Installation (unpacking, cabinet cabling and joining, console installation, power check with Table 1-1 of AC requirements, p. 1-15); 2 Checkout and acceptance (system turn-on, pp. 2-1 to 2-3, and checkout); 3 Unpacking; 4 to 9 installation of the FP780, DW780, DR780, RH780, MS780 and MA780 options, including the H7112 battery backup (section 9.8).[4]
Download: VAX-11 780 Installation Manual (EK-SI780-IN-002).pdf
VAX Maintenance Handbook: VAX-11/780 (EK-VAXV2-HB-002)
[edit | edit source]DEC's VAX Maintenance Handbook, volume 2, devoted to the VAX-11/780, EK-VAXV2-HB-002, 1983 edition (second edition, March 1983), 347 PDF pages. Printed page numbers are three less than PDF page numbers.[5]
Contents: 1 Introduction and list of VAX-11/780 hardware manuals; 2 Hardware diagrams, including the KA780 CPU module utilisation chart (p. 8); 3 Microcode; 4 Console, including the console boot and troubleshooting flowcharts (pp. 108 to 111) and LSI-11 module jumpers; 5 Internal registers; 6 SBI; 7 SBI nexus (memory, Unibus and Massbus adapters); 8 Processor-specific diagnostics; 9 Miscellaneous, including chip data.[5]
Download: VAX Maintenance Handbook VAX-11 780 (EK-VAXV2-HB-002).pdf
Guide to VAX-11/780 System Troubleshooting (EY-2217E-SG-0001)
[edit | edit source]DEC's Guide to VAX-11/780 System Troubleshooting, EY-2217E-SG-0001, first printing, November 1985, 388 PDF pages, marked "for internal use only".[6]
Contents: the troubleshooting method and system log books (pp. xvii to xxi); section I, the VAX-11/780 troubleshooting outline (machine checks, cache, translation buffer and control store errors, read timeouts, console and power-fail faults, margin testing, adapter errors); II, VMS and its boot command files; III, special command files and programs; IV, VAX architecture; V, the VAX-11/780 buses; VI, UNIX error reporting; VII, miscellaneous information including the H7100 regulator LEDs (p. 7-13); VIII, nexus register bit definitions.[6]
Download: Guide to VAX-11 780 System Troubleshooting (EY-2217E-SG-0001).pdf
H7100 power supply print set (MP-00480)
[edit | edit source]DEC's H7100 field maintenance print set, MP-00480, January 1983 issue, 41 PDF pages: unit assembly, interconnection diagram, panel and harness drawings, and parts lists and schematics for the status card (5412562, PDF p. 20), motherboard (5412550, PDF p. 29), bias/control board (5412554, PDF p. 35) and regulator boards.[7] The scan is poor in places; parts list values should be read from the page image.
Download: VAX-11 780 H7100 Power Supply Print Set (MP-00480, January 1983).pdf
Pages that cite these documents
[edit | edit source]- VAX-11/780 – configuration, CPU modules, specifications
- VAX-11/780 Maintenance Guide – site and power, power-up order, batteries, cooling
- VAX-11/780 Power System Service – controllers, H7100, battery units, board capacitors
- VAX-11/780 Troubleshooting Guide – console boot faults, power-fail traps, H7100 indicators
References
[edit | edit source]- ↑ bitsavers.org, DEC VAX-11/780 directory, bitsavers.org/pdf/dec/vax/780, retrieved 2 October 2026.
- ↑ "VAX-11/780 Manuals", Internet Archive, archive.org/details/vax-11_780-manuals, retrieved 2 October 2026.
- ↑ 3.0 3.1 Digital Equipment Corporation, VAX-11/780 Power System Technical Description, EK-PS780-TD-001, March 1979, title page and contents. Source: archive.org.
- ↑ 4.0 4.1 Digital Equipment Corporation, VAX-11/780 Installation Manual, EK-SI780-IN-002, January 1982, title page and contents. Source: bitsavers.org.
- ↑ 5.0 5.1 Digital Equipment Corporation, VAX Maintenance Handbook: VAX-11/780, EK-VAXV2-HB-002, 1983 edition, title page, contents and p. 3. Source: bitsavers.org.
- ↑ 6.0 6.1 Digital Equipment Corporation, Guide to VAX-11/780 System Troubleshooting, EY-2217E-SG-0001, November 1985, title page and contents. Source: bitsavers.org.
- ↑ Digital Equipment Corporation, H7100 field maintenance print set, MP-00480, table of contents. Source: bitsavers.org.