MRV11-A Read-Only Memory Module - Revision history

Jnc: Re-class

2023-12-27T18:18:43Z

Re-class

Jnc: +img; describe in a bit more detail

2023-07-12T01:44:47Z

+img; describe in a bit more detail

Jnc: /* External links */ also Section 4.4

2023-07-07T14:38:37Z

‎External links: also Section 4.4

Jnc: /* External links */ better print set

2023-07-05T11:12:59Z

‎External links: better print set

Jnc: Mostly just holds external links at the moment

2023-07-05T00:37:54Z

Mostly just holds external links at the moment

New page

The '''MRV11-A Read-Only Memory Module''' (also known as the '''MRV11''') was the first [[QBUS]] [[Read-only memory|ROM]] card.

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==See also==

* [[MRV11-B UV PROM-RAM Memory Module]]
* [[MRV11-C Read-Only Memory Module]]
* [[MRV11-D Universal Programmable Read-Only Memory]]



==External links==

* [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 MRV11-A is covered in Chapter 9 (pp. 113-117 of the PDF)
* [http://bitsavers.org/pdf/dec/qbus/MP00706-ET-LSI-11_Dec81.pdf ET-LSI-11 Field Maintenance Print Set] (MP00706) - the MRV11-A is covered on pp. 178-181 of the PDF

[[Category: QBUS ROMs]]

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 The '''MRV11-A Read-Only Memory Module''' (also known as the '''MRV11''') was the first [[QBUS]] [[Read-only memory|ROM]] card. It held up to 32 4-bit-wide [[PROM]] [[integrated circuit|chips]], either 256x4 or 512x4; it thus held up to 8KB when fully populated with 512x4 chips. The MRV11-A was a [[DEC card form factor|dual]]-height card, the '''M7942'''.
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 ==See also==

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-The '''MRV11-A Read-Only Memory Module''' (also known as the '''MRV11''') was the first [[QBUS]] [[Read-only memory|ROM]] card.
+[[Image:MRV11A.jpg|thumb|250px|right|MRV11-A board (without PROMs)]]
 {{stub}}
@@ Line 13: / Line 15: @@
 ==External links==
 * [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 MRV11-A is covered in Section 4.4 (pp. 62-65 of the PDF), Chapter 9 (pp. 113-117 of the PDF)
-<!-- * [http://bitsavers.org/pdf/dec/qbus/MP00706-ET-LSI-11_Dec81.pdf ET-LSI-11 Field Maintenance Print Set] (MP00706) -  the MRV11-A is covered on pp. 178-181 of the PDF -->
+<!-- * [http://bitsavers.org/pdf/dec/qbus/MP00706-ET-LSI-11_Dec81.pdf ET-LSI-11 Field Maintenance Print Set] (MP00706) - the MRV11-A is covered on pp. 178-181 of the PDF -->
 * [https://www.mainecoon.com/classiccmp/MRV11/MRV11-A%20FMPS%20MP00066%20(M7942).tif MRV11-A Field Maintenance Print Set] (MP00066)
 [[Category: QBUS ROMs]]

@@ Line 13: / Line 13: @@
 ==External links==
-* [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 MRV11-A is covered in Chapter 9 (pp. 113-117 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 MRV11-A is covered in Section 4.4 (pp. 62-65 of the PDF), Chapter 9 (pp. 113-117 of the PDF)
 <!-- * [http://bitsavers.org/pdf/dec/qbus/MP00706-ET-LSI-11_Dec81.pdf ET-LSI-11 Field Maintenance Print Set] (MP00706) -  the MRV11-A is covered on pp. 178-181 of the PDF -->
 * [https://www.mainecoon.com/classiccmp/MRV11/MRV11-A%20FMPS%20MP00066%20(M7942).tif MRV11-A Field Maintenance Print Set] (MP00066)
 [[Category: QBUS ROMs]]