H780 power supply: Difference between revisions
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Adding H780 picture, mentioning use in RKV11-D |
m →External links: Manx mirror of Antonio's stuff is gone; Bitsavers file rename |
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==External links== | ==External links== | ||
* [https:// | * [https://vt100.net/mirror/antonio/h780cop1.pdf H780-C, -D, -H, -J, -K, -L power supply user's manual] (EK-H780C-OP-001) | ||
* [http://www.bitsavers.org/pdf/dec/qbus/ | * [http://www.bitsavers.org/pdf/dec/qbus/EB-20175-20_Digital_Microcomputer_Interfaces_Handbook_1980.pdf microcomputer interfaces handbook] - the H780 is covered on pp. 385-419 (pp. 393-427 of the PDF) | ||
* [http://www.bitsavers.org/pdf/dec/qbus/ | * [http://www.bitsavers.org/pdf/dec/qbus/EB-26078-41_Digital_Microcomputer_Products_Handbook_1985.pdf Microcomputer Products Handbook] - the H780 is covered in Chapter 58 (pp. 549-553 of the PDF) | ||
* [http://www.bitsavers.org/pdf/dec/pdp11/1103/EK-LSI11-TM-002.pdf LSI-11, PDP-11/03 user's manual] (EK-LSI11-TM-002) - the H780 is covered in Sections 4.9 (pp. 77-86 of the PDF) | * [http://www.bitsavers.org/pdf/dec/pdp11/1103/EK-LSI11-TM-002.pdf LSI-11, PDP-11/03 user's manual] (EK-LSI11-TM-002) - the H780 is covered in Sections 4.9 (pp. 77-86 of the PDF) | ||
* [http://www.bitsavers.org/pdf/dec/pdp11/1103/1103_Schematics.pdf PDP-11/03 Engineering Drawings] - the H780 is covered on pp. 155-169 of the PDF | * [http://www.bitsavers.org/pdf/dec/pdp11/1103/1103_Schematics.pdf PDP-11/03 Engineering Drawings] - the H780 is covered on pp. 155-169 of the PDF | ||
[[Category: DEC Power Supplies]] | [[Category: DEC Power Supplies]] | ||
Latest revision as of 16:15, 9 October 2026

The H780 power supply was the power supply for the BA11-M mounting box, the first QBUS PDP-11 mounting box from DEC. It provided 18A of +5V, and 3.5A of +12V). It was also used in the RKV11-D QBUS controller for RK moving-head magnetic disk drives (RK02-RK05).
External links
- H780-C, -D, -H, -J, -K, -L power supply user's manual (EK-H780C-OP-001)
- microcomputer interfaces handbook - the H780 is covered on pp. 385-419 (pp. 393-427 of the PDF)
- Microcomputer Products Handbook - the H780 is covered in Chapter 58 (pp. 549-553 of the PDF)
- LSI-11, PDP-11/03 user's manual (EK-LSI11-TM-002) - the H780 is covered in Sections 4.9 (pp. 77-86 of the PDF)
- PDP-11/03 Engineering Drawings - the H780 is covered on pp. 155-169 of the PDF