RK11 disk controller - Revision history

Jnc: /* External links */ Bitsavers has reorganized a bit

2026-10-05T15:07:46Z

External links: Bitsavers has reorganized a bit

← Older revision		Revision as of 15:07, 5 October 2026
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	* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/DEC-11-HRKDA-B-D%20RK11D%20and%20RK11-E%20Moving%20Head%20Disk%20Drive%20Controller%20Manual.pdf RK11-D and RK11-E moving head disk drive controller manual] (DEC-11-HRKDA-B-D)		* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/DEC-11-HRKDA-B-D%20RK11D%20and%20RK11-E%20Moving%20Head%20Disk%20Drive%20Controller%20Manual.pdf RK11-D and RK11-E moving head disk drive controller manual] (DEC-11-HRKDA-B-D)
	* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/EK-RK11D-OP-001%20RK11-D%20and%20RK11-E%20Moving%20Head%20Disk%20Drive%20Controller%20User's%20Manual.pdf RK11-D and RK11-E moving head disk drive controller user's manual] (EK-RK11D-OP-001)		* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/EK-RK11D-OP-001%20RK11-D%20and%20RK11-E%20Moving%20Head%20Disk%20Drive%20Controller%20User's%20Manual.pdf RK11-D and RK11-E moving head disk drive controller user's manual] (EK-RK11D-OP-001)
	* [http://www.bitsavers.org/pdf/dec/unibus/EK-RK11D-MM-002.pdf RK11-D and RK11-E moving head disk drive controller manual] (EK-RK11D-MM-002)		* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D/EK-RK11D-MM-002.pdf RK11-D and RK11-E moving head disk drive controller manual] (EK-RK11D-MM-002)
	* [http://www.bitsavers.org/pdf/dec/qbus/EK-RKV11-OP-001_RKV11-D_Disk_Drive_Controller_Users_Manual_Jul1977.pdf RKV11-D disk drive controller user's manual] (EK-RKV11-0P-001)		* [http://www.bitsavers.org/pdf/dec/qbus/RKV11-D/EK-RKV11-OP-001_RKV11-D_Disk_Drive_Controller_Users_Manual_Jul1977.pdf RKV11-D disk drive controller user's manual] (EK-RKV11-0P-001)
	* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D_RevP_Engineering_Drawings_Oct75.pdf RK11-D disk drive controller engineering drawings] (Rev P, 10-1975)		* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D/RK11-D_RevP_Engineering_Drawings_Oct75.pdf RK11-D disk drive controller engineering drawings] (Rev P, 10-1975)
	* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D_RevR_Engineering_Drawings_Oct76.pdf RK11-D Engineering Drawings] (Rev R, 10-1976)		* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D/RK11-D_RevR_Engineering_Drawings_Oct76.pdf RK11-D Engineering Drawings] (Rev R, 10-1976)
	* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D_ECOs.pdf RK11-D ECOs]		* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D/RK11-D_ECOs.pdf RK11-D ECOs]

	==Further reading==		==Further reading==

Glitch: /* RKV11-D */ adding picture of RKV11-D and H780 removed from mounting box, description of mounting

2024-09-26T16:52:19Z

RKV11-D: adding picture of RKV11-D and H780 removed from mounting box, description of mounting

← Older revision		Revision as of 16:52, 26 September 2024
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	==RKV11-D==		==RKV11-D==

			[[Image:RKV11-D.jpg\|200px\|thumb\|right\|RKV11-D card cage and [[H780]] power supply]]

	The RKV11-D is a variant of the RK11-D for the QBUS (the others are all UNIBUS).		The RKV11-D is a variant of the RK11-D for the QBUS (the others are all UNIBUS).

	It uses three of the four quad cards of the RK11-D (M7254-6), along with a replacement fourth card (M7268), in a different custom 4 slot quad-high system unit backplane. The M7268 is connected via two pairs of [[flat cable]]s to two dual cards, one of which (M7269) plugs into a QBUS backplane slot, and the other (M993-YA) into the first RK05 drive.		It uses three of the four quad cards of the RK11-D (M7254-6), along with a replacement fourth card (M7268), in a different custom 4 slot quad-high system unit backplane. The M7268 is connected via two pairs of [[flat cable]]s to two dual cards, one of which (M7269) plugs into a QBUS backplane slot, and the other (M993-YA) into the first RK05 drive. The RKV11-D is mounted in a [[BA11-M]] style mounting box with [[H780]] power supply. The [[BA11-M]] front panel is replaced with an expansion box front panel, with a single indicator for '''DCOK'''.

	It is program compatible with the RK11-D, except that it only supports [[Q16]] QBUS mode when writing data. The two extended memory bits in the CSR have no effect; they may be read and written, but are not connected to anything.		It is program compatible with the RK11-D, except that it only supports [[Q16]] QBUS mode when writing data. The two extended memory bits in the CSR have no effect; they may be read and written, but are not connected to anything.

Jnc: +Cat

2023-09-13T21:04:09Z

+Cat

← Older revision		Revision as of 21:04, 13 September 2023
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	[[Category: UNIBUS Storage Controllers]]		[[Category: UNIBUS Storage Controllers]]
	[[Category: QBUS Storage Controllers]]		[[Category: QBUS Storage Controllers]]
			[[Category: DEC Documentation Errors]]

Jnc: /* Further reading */ +RKV11-D Field Maintenance Print Set

2023-02-01T00:07:23Z

Further reading: +RKV11-D Field Maintenance Print Set

← Older revision		Revision as of 00:07, 1 February 2023
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	* ''RKV11-D disk drive controller technical manual'' (not available online, but in fiche - EP-RKV11-TM-001)		* ''RKV11-D disk drive controller technical manual'' (not available online, but in fiche - EP-RKV11-TM-001)
			* ''RKV11-D Field Maintenance Print Set (MP00223)'' (not available online)

	[[Category: UNIBUS Storage Controllers]]		[[Category: UNIBUS Storage Controllers]]
	[[Category: QBUS Storage Controllers]]		[[Category: QBUS Storage Controllers]]

Jnc: fix broken ext link, add the rest

2021-12-11T16:22:40Z

fix broken ext link, add the rest

← Older revision		Revision as of 16:22, 11 December 2021
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	The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK02/03 disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.		The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK02/03 disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.

	(The later [[RK06/07 disk drive\|RK06 and RK07]], and their controller, the [[RK611]], are a different drive and pack.)		(The later [[RK06/07 disk drive\|RK06 and RK07]], and their controller, the [[RK611]], are a different and entirely incompatible drive and pack.)

	There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).		There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).

	The UNIBUS RK11's all connect to the RK drive(s) through a bus carried over a [[BC11A]] cable, the standard UNIBUS cable.		The UNIBUS RK11's all connect to the RK drive(s) through a [[bus]] carried over a [[BC11A]] cable, the standard UNIBUS cable.

	==Early RK11 version==		==Early RK11 version==
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	==RK11-D==		==RK11-D==

	The RK11-D was a re-implementation of the RK11-C on four [[DEC card form factor\|quad]] cards (M7254-7), which plugged into a custom-wired ~~quad-wide~~ hex-high [[system unit]] [[backplane]], for a [[BA11 mounting boxes\|BA11]] slide-out mounting box.		The RK11-D was a re-implementation of the RK11-C on four [[DEC card form factor\|quad]] cards (M7254-7), which plugged into a custom-wired 4 slot hex-high [[system unit]] [[backplane]], for a [[BA11 mounting boxes\|BA11]] slide-out mounting box.

	It was [[program compatible]] with the RK11-C, except that the RK11-D did not contain the Maintenance Register of the earlier controller. In the RK11-D, the bus location of the MR responds, but according to the engineering drawings, it reads as zero, and written data is ignored.		It was [[program compatible]] with the RK11-C, except that the RK11-D did not contain the Maintenance Register of the earlier controller. In the RK11-D, the bus location of the MR responds, but according to the engineering drawings, it reads as zero, and written data is ignored.
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	The RKV11-D is a variant of the RK11-D for the QBUS (the others are all UNIBUS).		The RKV11-D is a variant of the RK11-D for the QBUS (the others are all UNIBUS).

	It uses three of the four quad cards of the RK11-D (M7254-6), along with a replacement fourth card (M7268), in a different custom ~~quad-wide~~ quad-high system unit backplane. The M7268 is connected via two pairs of [[flat cable]]s to two dual cards, one of which (M7269) plugs into a QBUS backplane slot, and the other (M993-YA) into the first RK05 drive.		It uses three of the four quad cards of the RK11-D (M7254-6), along with a replacement fourth card (M7268), in a different custom 4 slot quad-high system unit backplane. The M7268 is connected via two pairs of [[flat cable]]s to two dual cards, one of which (M7269) plugs into a QBUS backplane slot, and the other (M993-YA) into the first RK05 drive.

	It is program compatible with the RK11-D, except that it only supports [[Q16]] QBUS mode when writing data~~, so the~~ two extended memory bits in the CSR have no effect; they may be read and written, but are not connected to anything.		It is program compatible with the RK11-D, except that it only supports [[Q16]] QBUS mode when writing data. The two extended memory bits in the CSR have no effect; they may be read and written, but are not connected to anything.

	==Device registers==		==Device registers==
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	==External links==		==External links==

	* [http://~~toresbe~~.~~dreamhosters~~.~~com~~/~~redirect~~.~~php?res=~~bitsavers~~&doc=~~dec/unibus/EK-RK11D-MM-002.pdf EK-RK11D-MM-002, RK11-D ~~Maintenance Manual~~]		* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/DEC-11-HRKDA-B-D%20RK11D%20and%20RK11-E%20Moving%20Head%20Disk%20Drive%20Controller%20Manual.pdf RK11-D and RK11-E moving head disk drive controller manual] (DEC-11-HRKDA-B-D)
			* [http://www.bitsavers.org/www.computer.museum.uq.edu.au/pdf/EK-RK11D-OP-001%20RK11-D%20and%20RK11-E%20Moving%20Head%20Disk%20Drive%20Controller%20User's%20Manual.pdf RK11-D and RK11-E moving head disk drive controller user's manual] (EK-RK11D-OP-001)
			* [http://www.bitsavers.org/pdf/dec/unibus/EK-RK11D-MM-002.pdf RK11-D and RK11-E moving head disk drive controller manual] (EK-RK11D-MM-002)
			* [http://www.bitsavers.org/pdf/dec/qbus/EK-RKV11-OP-001_RKV11-D_Disk_Drive_Controller_Users_Manual_Jul1977.pdf RKV11-D disk drive controller user's manual] (EK-RKV11-0P-001)
			* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D_RevP_Engineering_Drawings_Oct75.pdf RK11-D disk drive controller engineering drawings] (Rev P, 10-1975)
			* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D_RevR_Engineering_Drawings_Oct76.pdf RK11-D Engineering Drawings] (Rev R, 10-1976)
			* [http://www.bitsavers.org/pdf/dec/unibus/RK11-D_ECOs.pdf RK11-D ECOs]

	==Further reading==		==Further reading==

	* ''RKV11-0 disk drive controller ~~user's~~ manual'' (EK-RKV11-0P-001)		* ''RKV11-D disk drive controller technical manual'' (not available online, but in fiche - EP-RKV11-TM-001)

	[[Category: UNIBUS Storage Controllers]]		[[Category: UNIBUS Storage Controllers]]
	[[Category: QBUS Storage Controllers]]		[[Category: QBUS Storage Controllers]]

Jnc: /* Further reading */ +1

2021-04-07T03:22:10Z

Jnc: /* RK11-E */ better link

2020-12-06T14:33:20Z

RK11-E: better link

← Older revision		Revision as of 14:33, 6 December 2020
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	It was used with the [[UNICHANNEL 15 System\|UC15 Unichannel]], which used a PDP-11 (usually a [[PDP-11/05]]) acting as a slave to the PDP-15; the RK11-E was plugged into the UNIBUS on the PDP-11.		It was used with the [[UNICHANNEL 15 System\|UC15 Unichannel]], which used a PDP-11 (usually a [[PDP-11/05]]) acting as a slave to the PDP-15; the RK11-E was plugged into the UNIBUS on the PDP-11.

	It used the two ~~UNIBUS~~ [[parity]] lines for the two extra data bits on the 18-bit PDP-15. The two extra bits were not used by the PDP-11 or its memory, but went straight through the [[MX15-B Memory Multiplexer]], directly to the PDP-15's [[main memory]].		It used the two [[UNIBUS parity]] lines for the two extra data bits on the 18-bit PDP-15. The two extra bits were not used by the PDP-11 or its memory, but went straight through the [[MX15-B Memory Multiplexer]], directly to the PDP-15's [[main memory]].

	==RKV11-D==		==RKV11-D==

Jnc: Better naming system

2020-10-29T15:18:46Z

Better naming system

← Older revision		Revision as of 15:18, 29 October 2020
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	The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[~~RK0x~~ disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.		The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK02/03 disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.

	(The later [[RK06 disk drive\|RK06]] and ~~[[RK07 disk drive\|~~RK07]], and their controller, the [[RK611]], are a different drive and pack.)		(The later [[RK06/07 disk drive\|RK06 and RK07]], and their controller, the [[RK611]], are a different drive and pack.)

	There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).		There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).

Jnc: typo

2020-10-28T19:28:03Z

typo

← Older revision		Revision as of 19:28, 28 October 2020
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	The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK0x disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.		The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK0x disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.

	(The later [[RK06 disk drive\|~~RL06~~]] and [[RK07 disk drive\|RK07]], and their controller, the [[RK611]], are a different drive and pack.)		(The later [[RK06 disk drive\|RK06]] and [[RK07 disk drive\|RK07]], and their controller, the [[RK611]], are a different drive and pack.)

	There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).		There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).

Jnc: avoid redir

2020-10-28T19:26:30Z

avoid redir

← Older revision		Revision as of 19:26, 28 October 2020
Line 1:		Line 1:
	The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK02]]-[[RK05]]), all based on the [[IBM 2315]] drive and pack.		The '''RK11''' and '''RKV11''' series of controllers for the [[UNIBUS]] and [[QBUS]] are for the earlier RK moving-[[head]] [[magnetic storage\|magnetic]] [[disk]] [[drive]]s ([[RK0x disk drive\|RK02]]-[[RK05 disk drive\|RK05]]), all based on the [[IBM 2315]] drive and pack.

	(The later [[RK06]] and [[RK07]], and their controller, the [[RK611]], are a different drive and pack.)		(The later [[RK06 disk drive\|RL06]] and [[RK07 disk drive\|RK07]], and their controller, the [[RK611]], are a different drive and pack.)

	There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).		There are several models of the RK11, which are basically identical in their programming interface; differences between them are discussed in the sections on the individual models (below).
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	* [http://toresbe.dreamhosters.com/redirect.php?res=bitsavers&doc=dec/unibus/EK-RK11D-MM-002.pdf EK-RK11D-MM-002, RK11-D Maintenance Manual]		* [http://toresbe.dreamhosters.com/redirect.php?res=bitsavers&doc=dec/unibus/EK-RK11D-MM-002.pdf EK-RK11D-MM-002, RK11-D Maintenance Manual]

	[[Category:UNIBUS Storage Controllers]]		[[Category: UNIBUS Storage Controllers]]
	[[Category:QBUS Storage Controllers]]		[[Category: QBUS Storage Controllers]]

← Older revision		Revision as of 03:22, 7 April 2021
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	* [http://toresbe.dreamhosters.com/redirect.php?res=bitsavers&doc=dec/unibus/EK-RK11D-MM-002.pdf EK-RK11D-MM-002, RK11-D Maintenance Manual]		* [http://toresbe.dreamhosters.com/redirect.php?res=bitsavers&doc=dec/unibus/EK-RK11D-MM-002.pdf EK-RK11D-MM-002, RK11-D Maintenance Manual]

			==Further reading==

			* ''RKV11-0 disk drive controller user's manual'' (EK-RKV11-0P-001)

	[[Category: UNIBUS Storage Controllers]]		[[Category: UNIBUS Storage Controllers]]
	[[Category: QBUS Storage Controllers]]		[[Category: QBUS Storage Controllers]]