M105 Address Selector - Revision history

Jnc: /* External links */ Vince Slyngstad's site has been reorganized a bit; Bitsavers has reorganized a bit

2026-10-08T09:52:50Z

External links: Vince Slyngstad's site has been reorganized a bit; Bitsavers has reorganized a bit

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

	* [http://www.bitsavers.org/pdf/dec/pdp11/handbooks/~~PDP11_PeripheralsHbk_1972~~.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M105 is covered on pp. 213-215 (pp. 223-225 of the PDF)		* [http://www.bitsavers.org/pdf/dec/pdp11/handbooks/PDP-11_PeripheralsHbk_1972.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M105 is covered on pp. 213-215 (pp. 223-225 of the PDF)
	* [http://so-much-stuff.com/pdp8/flipchip/~~modules~~.~~htm~~ FlipChip Modules] - Images and engineering drawings for FLIP CHIP modules		* [http://so-much-stuff.com/pdp8/flipchip/flipchip.php FlipChip Modules] - Images and engineering drawings for FLIP CHIP modules
	** [http://~~svn.~~so-much-stuff.com/~~svn~~/trunk/Eagle/projects/DEC/Mxxx/M105/ M105]		** [http://so-much-stuff.com/pdp8/trunk/Eagle/projects/DEC/Mxxx/M105/ M105]

	[[Category: UNIBUS]]		[[Category: UNIBUS]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]

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2023-11-28T02:13:16Z

External links: typo

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

	* [http://www.bitsavers.org/pdf/dec/pdp11/handbooks/PDP11_PeripheralsHbk_1972.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M105 is covered on pp. 213-~~214~~ (pp. 223-~~224~~ of the PDF)		* [http://www.bitsavers.org/pdf/dec/pdp11/handbooks/PDP11_PeripheralsHbk_1972.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M105 is covered on pp. 213-215 (pp. 223-225 of the PDF)
	* [http://so-much-stuff.com/pdp8/flipchip/modules.htm FlipChip Modules] - Images and engineering drawings for FLIP CHIP modules		* [http://so-much-stuff.com/pdp8/flipchip/modules.htm FlipChip Modules] - Images and engineering drawings for FLIP CHIP modules
	** [http://svn.so-much-stuff.com/svn/trunk/Eagle/projects/DEC/Mxxx/M105/ M105]		** [http://svn.so-much-stuff.com/svn/trunk/Eagle/projects/DEC/Mxxx/M105/ M105]

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2023-11-28T02:11:33Z

External links: +Documentation

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			==External links==

			* [http://www.bitsavers.org/pdf/dec/pdp11/handbooks/PDP11_PeripheralsHbk_1972.pdf pdp11 peripherals and interfacing handbook (1972 edition)] - the M105 is covered on pp. 213-214 (pp. 223-224 of the PDF)
			* [http://so-much-stuff.com/pdp8/flipchip/modules.htm FlipChip Modules] - Images and engineering drawings for FLIP CHIP modules
			** [http://svn.so-much-stuff.com/svn/trunk/Eagle/projects/DEC/Mxxx/M105/ M105]

	[[Category: UNIBUS]]		[[Category: UNIBUS]]
	[[Category: DEC Boards]]		[[Category: DEC Boards]]

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2021-01-28T09:54:17Z

avoid redir

← Older revision		Revision as of 09:54, 28 January 2021
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	The '''M105 Address Selector''' is a [[Digital Equipment Corporation\|DEC]] [[FLIP CHIP]] which implements the '[[address]] selection' function (i.e. detecting when a particular [[bus]] cycle is destined for a particular [[peripheral\|device]]) for the [[UNIBUS]].		The '''M105 Address Selector''' is a [[Digital Equipment Corporation\|DEC]] [[FLIP CHIP]] which implements the '[[address]] selection' function (i.e. detecting when a particular [[bus]] cycle is destined for a particular [[peripheral\|device]]) for the [[UNIBUS]].

	It was used, along with an [[M782 Interrupt Control]], in early [[PDP-11]] [[device controller]]s which plugged into an [[Small Peripheral Controller\|SPC]] slot. It was also used in a number of early devices which were built out of a custom [[backplane]] and a large number of FLIP CHIPs, such as the [[RK11\|RK11-C]]. Some later devices which no longer used a large number of small Flip Chips (such as the [[TM11\|TMB11]]) also used it.		It was used, along with an [[M782 Interrupt Control]], in early [[PDP-11]] [[device controller]]s which plugged into an [[Small Peripheral Controller\|SPC]] slot. It was also used in a number of early devices which were built out of a custom [[backplane]] and a large number of FLIP CHIPs, such as the [[RK11-C disk controller\|RK11-C]]. Some later devices which no longer used a large number of small Flip Chips (such as the [[TM11 magtape controller\|TMB11]]) also used it.

	The board contained a number of [[jumper]]s which could be use to set the address to be recognized; the jumpers apply to UNIBUS address [[bit]]s 3-12. The M105 recognizes any address within a eight byte block; if a device needs more than 4 [[word]] [[register]]s, the M105 cannot accomplish that.		The board contained a number of [[jumper]]s which could be use to set the address to be recognized; the jumpers apply to UNIBUS address [[bit]]s 3-12. The M105 recognizes any address within a eight byte block; if a device needs more than 4 [[word]] [[register]]s, the M105 cannot accomplish that.

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2018-12-13T23:52:22Z

+cats

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			[[Category: UNIBUS]]
			[[Category: DEC Boards]]

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2018-10-19T23:15:27Z

Proper cat

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	It was used, along with an [[M782 Interrupt Control]], in early [[PDP-11]] [[device controller]]s which plugged into an [[Small Peripheral Controller\|SPC]] slot. It was also used in a number of early devices which were built out of a custom [[backplane]] and a large number of FLIP CHIPs, such as the [[RK11\|RK11-C]]. Some later devices which no longer used a large number of small Flip Chips (such as the [[TM11\|TMB11]]) also used it.		It was used, along with an [[M782 Interrupt Control]], in early [[PDP-11]] [[device controller]]s which plugged into an [[Small Peripheral Controller\|SPC]] slot. It was also used in a number of early devices which were built out of a custom [[backplane]] and a large number of FLIP CHIPs, such as the [[RK11\|RK11-C]]. Some later devices which no longer used a large number of small Flip Chips (such as the [[TM11\|TMB11]]) also used it.

	The board contained a number of [[jumper]]s which could be use to set the address to be recognized; the jumpers apply to UNIBUS address [[bit]]s 3-12. The M105 recognizes any address within a eight byte block; if a device needs more than 4 [[word]] ~~registers~~, the M105 cannot accomplish that.		The board contained a number of [[jumper]]s which could be use to set the address to be recognized; the jumpers apply to UNIBUS address [[bit]]s 3-12. The M105 recognizes any address within a eight byte block; if a device needs more than 4 [[word]] [[register]]s, the M105 cannot accomplish that.

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Jnc: Fairly complete

2018-09-16T20:49:24Z

Fairly complete

New page

[[Image:M105AddressSelector.jpg|250px|thumb|right|M105 FLIP CHIP]]

The '''M105 Address Selector''' is a [[Digital Equipment Corporation|DEC]] [[FLIP CHIP]] which implements the '[[address]] selection' function (i.e. detecting when a particular [[bus]] cycle is destined for a particular [[peripheral|device]]) for the [[UNIBUS]].

It was used, along with an [[M782 Interrupt Control]], in early [[PDP-11]] [[device controller]]s which plugged into an [[Small Peripheral Controller|SPC]] slot. It was also used in a number of early devices which were built out of a custom [[backplane]] and a large number of FLIP CHIPs, such as the [[RK11|RK11-C]]. Some later devices which no longer used a large number of small Flip Chips (such as the [[TM11|TMB11]]) also used it.

The board contained a number of [[jumper]]s which could be use to set the address to be recognized; the jumpers apply to UNIBUS address [[bit]]s 3-12. The M105 recognizes any address within a eight byte block; if a device needs more than 4 [[word]] registers, the M105 cannot accomplish that.

{{stub}}