MicroVAX I - Revision history

Jnc: /* External links */ Manx mirror of HCPS is gone

2026-10-14T05:59:04Z

External links: Manx mirror of HCPS is gone

← Older revision		Revision as of 05:59, 14 October 2026
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	* [http://www.bitsavers.org/pdf/dec/vax/610/ MicroVAX I] - documentation at [[Bitsavers]]		* [http://www.bitsavers.org/pdf/dec/vax/610/ MicroVAX I] - documentation at [[Bitsavers]]
	** [http://www.bitsavers.org/pdf/dec/vax/610/EK-VS200-TM-PRE_VAXstation_I_Technical_Reference_Manual_Preliminary_198411.pdf VAXstation I Technical Reference Manual] (EK-VS200-TM-PRE)		** [http://www.bitsavers.org/pdf/dec/vax/610/EK-VS200-TM-PRE_VAXstation_I_Technical_Reference_Manual_Preliminary_198411.pdf VAXstation I Technical Reference Manual] (EK-VS200-TM-PRE)
	* [https://~~manx-docs~~.~~org~~/~~collections~~/hcps/kd32aomcn1.pdf MicroVAX I Owner's Manual Release Notes] (EK-KD32A-OM-CN1)		* [https://vt100.net/mirror/hcps/kd32aomcn1.pdf MicroVAX I Owner's Manual Release Notes] (EK-KD32A-OM-CN1)
	* [http://www.bitsavers.org/pdf/dec/vax/handbook/Supermicrosystems_Handbook_1986.pdf Supermicrosystems Handbook] - the MicroVAX I is covered on pp. 2-4–2-5 (pp. 19-20 of the PDF) and elsewhere		* [http://www.bitsavers.org/pdf/dec/vax/handbook/Supermicrosystems_Handbook_1986.pdf Supermicrosystems Handbook] - the MicroVAX I is covered on pp. 2-4–2-5 (pp. 19-20 of the PDF) and elsewhere
	* [http://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/micronotes/numerical/micronote22.txt Differences between the MicroVAX I and the MicroVAX II CPUs] ([[MicroNote]] #022)		* [http://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/micronotes/numerical/micronote22.txt Differences between the MicroVAX I and the MicroVAX II CPUs] ([[MicroNote]] #022)

Vaxorcist: /* Diagnostics */ Link to page "Using VDS Diagnostics on the MicroVAX I" added.

2025-11-17T08:49:29Z

Diagnostics: Link to page "Using VDS Diagnostics on the MicroVAX I" added.

← Older revision		Revision as of 08:49, 17 November 2025
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	<!-- ==Configuration==		<!-- ==Configuration==
	-->		-->
	==Diagnostics==		==MicroVAX I Diagnostics==

	MicroVAX I is the only MicroVAX model with "old-style" '''[[VAX Diagnostic Supervisor]]''' (VDS) diagnostics.		MicroVAX I is the only MicroVAX model with "old-style" '''[[VAX Diagnostic Supervisor]]''' (VDS) diagnostics.

	~~<PRE>~~		For details on MicroVAX I diagnosis, see: [[Using VDS Diagnostics on the MicroVAX I]]
	~~ATTACH ...~~
	~~</PRE>~~

	==Sample MicroVAX I Boot Messages (MicroVMS V4.6)==		==Sample MicroVAX I Boot Messages (MicroVMS V4.6)==

Vaxorcist: /* Boot ROM Restrictions */ "Bootstrap" link added

2025-11-17T08:43:09Z

Boot ROM Restrictions: "Bootstrap" link added

← Older revision		Revision as of 08:43, 17 November 2025
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	===Boot ROM Restrictions===		===Boot ROM Restrictions===

	The MicroVAX I bootstrap [[ROM]] can only bootstrap a system disk attached to the '''first''' [[Mass Storage Control Protocol]] (MSCP) controller.		The MicroVAX I [[bootstrap]] [[ROM]] can only bootstrap a system disk attached to the '''first''' [[Mass Storage Control Protocol]] (MSCP) controller.
	It cannot boot from a [[TK50]] tape drive at all, and booting from an [[Ethernet]] network adapter like an [[DEQNA]] or [[DELQA]] is restricted, i.e. it cannot become member of an [[Local Area VAXcluster\|LAVC]].		It cannot boot from a [[TK50]] tape drive at all, and booting from an [[Ethernet]] network adapter like an [[DEQNA]] or [[DELQA]] is restricted, i.e. it cannot become member of an [[Local Area VAXcluster\|LAVC]].

Vaxorcist: /* Boot ROM Restrictions */ Corrections about Boot ROM Restrictions

2025-11-17T08:41:30Z

Boot ROM Restrictions: Corrections about Boot ROM Restrictions

← Older revision		Revision as of 08:41, 17 November 2025
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	The MicroVAX I bootstrap [[ROM]] can only bootstrap a system disk attached to the '''first''' [[Mass Storage Control Protocol]] (MSCP) controller.		The MicroVAX I bootstrap [[ROM]] can only bootstrap a system disk attached to the '''first''' [[Mass Storage Control Protocol]] (MSCP) controller.
	It ~~can neither~~ boot from a [[TK50]] tape drive ~~nor~~ from an [[Ethernet]] network adapter like an [[DEQNA]] or [[DELQA]].		It cannot boot from a [[TK50]] tape drive at all, and booting from an [[Ethernet]] network adapter like an [[DEQNA]] or [[DELQA]] is restricted, i.e. it cannot become member of an [[Local Area VAXcluster\|LAVC]].

	~~Since the MicroVAX I cannot boot from the network,~~ it cannot become member of an [[Local Area VAXcluster\|LAVC]].

	All these limitations do not apply to its successor, the [[MicroVAX II]].		All these limitations do not apply to its successor, the [[MicroVAX II]].

Vaxorcist: "See also" added

2025-11-16T22:15:32Z

"See also" added

← Older revision		Revision as of 22:15, 16 November 2025
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	$		$
	</PRE>		</PRE>

			==See also==

			* [[Installing and Configuring MicroVMS V4.0 on a MicroVAX I]]

	==References==		==References==

Vaxorcist: /* Supported Boot Devices */ DEQNA & DELQA removed (because NOT supported for booting)

2025-10-02T07:21:08Z

Supported Boot Devices: DEQNA & DELQA removed (because NOT supported for booting)

← Older revision		Revision as of 07:21, 2 October 2025
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	* All [[RQDX Series of MFM Disk & Floppy QBUS Controllers\|RQDX]] supported devices		* All [[RQDX Series of MFM Disk & Floppy QBUS Controllers\|RQDX]] supported devices
	* [[MRV11-D]]		* [[MRV11-D]]
	* [[DEQNA]]/[[DELQA]]

	===Boot ROM Characteristics===		===Boot ROM Characteristics===

Vaxorcist: /* Boot ROM Restrictions */ Added boot restrictions for TK50 and DEQNA/DELQA

2025-09-07T07:34:13Z

Boot ROM Restrictions: Added boot restrictions for TK50 and DEQNA/DELQA

← Older revision		Revision as of 07:34, 7 September 2025
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	===Boot ROM Restrictions===		===Boot ROM Restrictions===

	The MicroVAX I bootstrap [[ROM]] can only bootstrap a system disk attached to the first [[Mass Storage Control Protocol]] (MSCP) controller.		The MicroVAX I bootstrap [[ROM]] can only bootstrap a system disk attached to the '''first''' [[Mass Storage Control Protocol]] (MSCP) controller.
			It can neither boot from a [[TK50]] tape drive nor from an [[Ethernet]] network adapter like an [[DEQNA]] or [[DELQA]].

			Since the MicroVAX I cannot boot from the network, it cannot become member of an [[Local Area VAXcluster\|LAVC]].

			All these limitations do not apply to its successor, the [[MicroVAX II]].

	See the instructions from:		See the instructions from:
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	The console diskette will contain files used to bootstrap from a disk attached to the		The console diskette will contain files used to bootstrap from a disk attached to the
	second MSCP controller. Use the following steps to create a console diskette. This		'''second''' MSCP controller. Use the following steps to create a console diskette. This
	example assumes that the first RC25 disk attached to the second MSCP controller		example assumes that the first RC25 disk attached to the second MSCP controller
	(DABO) will be the new system disk:		(DABO:) will be the new system disk:

	# Log in to the system manager's account, '''SYSTEM'''.		# Log in to the system manager's account, '''SYSTEM'''.

Jnc: /* External links */ Link 'MicroNote'

2024-07-24T01:09:21Z

External links: Link 'MicroNote'

← Older revision		Revision as of 01:09, 24 July 2024
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	* [https://manx-docs.org/collections/hcps/kd32aomcn1.pdf MicroVAX I Owner's Manual Release Notes] (EK-KD32A-OM-CN1)		* [https://manx-docs.org/collections/hcps/kd32aomcn1.pdf MicroVAX I Owner's Manual Release Notes] (EK-KD32A-OM-CN1)
	* [http://www.bitsavers.org/pdf/dec/vax/handbook/Supermicrosystems_Handbook_1986.pdf Supermicrosystems Handbook] - the MicroVAX I is covered on pp. 2-4–2-5 (pp. 19-20 of the PDF) and elsewhere		* [http://www.bitsavers.org/pdf/dec/vax/handbook/Supermicrosystems_Handbook_1986.pdf Supermicrosystems Handbook] - the MicroVAX I is covered on pp. 2-4–2-5 (pp. 19-20 of the PDF) and elsewhere
	* [http://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/micronotes/numerical/micronote22.txt Differences between the MicroVAX I and the MicroVAX II CPUs] (MicroNote #022)		* [http://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware/micronotes/numerical/micronote22.txt Differences between the MicroVAX I and the MicroVAX II CPUs] ([[MicroNote]] #022)
	* [https://ai.eecs.umich.edu/people/conway/VLSI/VLSIDesMag/Articles/MicroVAX-DataPath.VDec83.pdf The MicroVAX I Data-path Chip]		* [https://ai.eecs.umich.edu/people/conway/VLSI/VLSIDesMag/Articles/MicroVAX-DataPath.VDec83.pdf The MicroVAX I Data-path Chip]

Jnc: /* Further reading */ +MicroVAX Handbook

2024-06-01T13:31:26Z

Jnc: Time to straighten out the personal VAXen

2024-05-24T02:38:05Z

Time to straighten out the personal VAXen

← Older revision		Revision as of 02:38, 24 May 2024
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	[[Category: MicroVAX Systems]]		[[Category: MicroVAX Systems]]
	~~[[Category: Personal VAXen]]~~
	[[Category: QBUS VAX Systems]]		[[Category: QBUS VAX Systems]]

← Older revision		Revision as of 13:31, 1 June 2024
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	<div id="ref_1">[1] MicroVAX Handbook. EB-25156-47</div>		<div id="ref_1">[1] MicroVAX Handbook. EB-25156-47</div>
	<div id="ref_2">[2] Systems & Options Catalog. European Edition. Spring 1990.</div>		<div id="ref_2">[2] Systems & Options Catalog. European Edition. Spring 1990.</div>

			==Further reading==

			* ''MicroVAX Handbook'', 1984 (EB-25156-47) - extensive coverage of hardware and software

	==External links==		==External links==