KDF11-A CPU - Revision history

Jnc: /* Further reading */ +MMU Configuration Jumpers

2024-07-31T22:46:09Z

‎Further reading: +MMU Configuration Jumpers

Jnc: /* Further reading */ +Peripheral Compatibility with 11/23 Systems

2024-07-29T10:53:35Z

‎Further reading: +Peripheral Compatibility with 11/23 Systems

Jnc: /* Further reading */ +11/23 ECO Status

2024-07-25T21:31:25Z

‎Further reading: +11/23 ECO Status

Jnc: /* External links */ +LSI-11/23 ECO History

2023-07-10T00:05:10Z

‎External links: +LSI-11/23 ECO History

Jnc: rm bloat

2023-07-02T19:05:08Z

rm bloat

Jnc: /* External links */ Narrow category

2022-10-11T20:31:56Z

‎External links: Narrow category

Jnc: better caption

2021-11-19T02:48:32Z

better caption

Jnc: +manual, FMPS

2021-11-19T02:44:11Z

+manual, FMPS

Jnc: +jumpers, details

2020-05-22T13:07:10Z

+jumpers, details

Jnc: Better picture, supported options

2018-10-27T12:54:01Z

Better picture, supported options

← Older revision		Revision as of 22:46, 31 July 2024
Line 68:		Line 68:

	* ''11/23 ECO Status'', [[MicroNote]] #104		* ''11/23 ECO Status'', [[MicroNote]] #104
		+	* ''MMU Configuration Jumpers'', MicroNote #102
	* ''Peripheral Compatibility with 11/23 Systems'', MicroNote #072		* ''Peripheral Compatibility with 11/23 Systems'', MicroNote #072

@@ Line 67: / Line 67: @@
 ==Further reading==
 * ''11/23 ECO Status'', [[MicroNote]] #104
 ==External links==

@@ Line 64: / Line 64: @@
 | In || In || Extended [[microcode]] (trap to 010 if none)
 |}
 ==External links==

@@ Line 69: / Line 69: @@
 * [http://www.bitsavers.org/pdf/dec/pdp11/1123/EK-KDF11-UG-PR2_Mar79.pdf KDF11-AA User's Guide] (EK-KDF11-UG-PR2)
 * [http://www.bitsavers.org/pdf/dec/pdp11/1123/MP00734_KDF11A_EngrDrws.pdf KDF11-A Field Maintenance Print Set] (MP00734)
 [[Category: PDP-11 QBUS Processors]]

@@ Line 69: / Line 69: @@
 * [http://www.bitsavers.org/pdf/dec/pdp11/1123/EK-KDF11-UG-PR2_Mar79.pdf KDF11-AA User's Guide] (EK-KDF11-UG-PR2)
 * [http://www.bitsavers.org/pdf/dec/pdp11/1123/MP00734_KDF11A_EngrDrws.pdf KDF11-A Field Maintenance Print Set] (MP00734)
 [[Category: PDP-11 QBUS Processors]]

← Older revision		Revision as of 20:31, 11 October 2022
Line 72:		Line 72:
	{{PDP-11}}		{{PDP-11}}

−	[[Category: PDP-11 ~~Processors]]~~	+	[[Category: PDP-11 QBUS Processors]]
−	~~[[Category:~~QBUS Processors]]

@@ Line 1: / Line 1: @@
-[[Image:KDF11-ATop.jpg|250px|thumb|right| CPU]]
+[[Image:KDF11-ATop.jpg|250px|thumb|right|KDF11-A CPU, with KTF11-A MMU chip]]
 The '''KDF11-A CPU''' is a [[PDP-11]] [[Central Processing Unit|CPU]] for the [[QBUS]]; it is a [[DEC card form factor|dual]]-width [[printed circuit board|card]], the M8186. It uses the same 'Fonz' [[F-11 chip set]] as the other [[KDF11 CPUs]].
@@ Line 62: / Line 62: @@
 | In || Out || PC=configuration jumpers <!--, PS=340 -->
 |-
-| In || In || Extended [[microcode]] ([[trap]] to 010 if none)
+| In || In || Extended [[microcode]] (trap to 010 if none)
 |}

@@ Line 1: / Line 1: @@
-[[Image:KDF11-ATop.jpg|250px|thumb|right|M8186 CPU]]
+[[Image:KDF11-ATop.jpg|250px|thumb|right| CPU]]
-The '''KDF11-A CPU''' is [[DEC card form factor|dual]]-width [[PDP-11]] [[Central Processing Unit|CPU]] card for the [[QBUS]]; it uses the same 'Fonz' [[F-11 chip set]] as the other [[KDF11 CPUs]].
+The '''KDF11-A CPU''' is [[PDP-11]] [[Central Processing Unit|CPU]] for the [[QBUS]]; it is a [[DEC card form factor|dual]]-width [[printed circuit board|card]], the M8186. It uses the same 'Fonz' [[F-11 chip set]] as the other [[KDF11 CPUs]].
-It contains only the basic CPU, unlike the other KDF-11's: no [[Read-only memory|ROM]], no [[asynchronous serial line]]s, etc. It does support the optional [[KTF11-A memory management chip]] and the [[KEF11-A floating point chip]], but not the [[KEF11-B]] [[PDP-11 Commercial Instruction Set]] (CIS).
+It contains only the basic CPU, unlike the other KDF-11's: no [[Read-only memory|ROM]], no [[asynchronous serial line]]s, etc. It does support the optional [[KTF11-A memory management chip]] and the [[KEF11-A floating point chip]], but not the [[KEF11-B]] [[PDP-11 Commercial Instruction Set]] (CIS); for higher performance [[floating point]], the [[FPF11 floating point processor]] may be used.
-The first version of the KDF11-A (Revision A) only suppported 256 Kbytes of [[main memory]]; later versions supported up to 4 Mbytes.
+The first version of the KDF11-A (Revision A) only suppported 256 Kbytes of [[main memory]]; later versions supported up to 4 Mbytes (but their [[QBUS CPU ODT|ODT]]'s are limited to 256 Kbytes). In the later models, a bit in the [[PDP-11 Memory Management#Control|SSR3]] CPU [[register]] must be set to allow use of more than 256 Kbytes.
-{{semi-stub}}
+==Configuration==
 {{PDP-11}}