VCB02 Video Controller - Revision history

Jnc: Improve intro; add some manuals

2024-01-15T16:58:00Z

Improve intro; add some manuals

Vaxorcist: Added some more info

2023-03-23T07:44:32Z

Added some more info

Vaxorcist: New page for DEC VCB02

2023-03-16T07:46:27Z

New page for DEC VCB02

New page

'''VCB02 Video Controller'''

VCB02 4/8 Plane Color Video [[QBUS]] Subsystem 1024x864

{{stub}}

[[Category: QBUS Display Controllers]]

@@ Line 1: / Line 1: @@
-'''VCB02 Video Controller'''
+The '''VCB02 Video Controller''' (also sometimes called the '''QDSS''') is a [[QBUS]] [[bit-mapped display]] option, a successor to the [[VCB01 Video Controller]]. It is a 1/4/8 plane video subsystem, providing 1024x864 [[resolution]].
-VCB02 1/4/8 Plane Video [[QBUS]] Subsystem 1024x864
+It used the [[QBUS#Variable address size|Q22]] version of the QBUS, and consisted of a number of [[DEC card form factor|quad]]-height modules.
 == VCB02 Modules ==
@@ Line 8: / Line 14: @@
 ! Module !! Description
 |-
-| [[M7615]] || Quad Monochrome Graphics Module
+| M7615 || Quad Monochrome Graphics Module
 |-
-| [[M7168]] || Quad 4 Plane Color Bitmap
+| M7168 || Quad 4 Plane Color Bitmap
 |-
-| [[M7169]] || Quad Q22 Bus Video Controller Module
+| M7169 || Quad Q22 Bus Video Controller Module
 |}
 == VCB02 Configurations ==
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 Planes allow for 256 colors / resp. 256 shades of gray from a palette of 16.7 million.
-The only difference between the 4/8 Plane Color and Mono versions are the bulkhead assemblies:
+The only difference between the 4/8 Plane Color and Mono versions are the bulkhead assemblies; [[DEC part number]]s:
 * 70-22661-01: Color
 * 70-22661-02: Color to Mono
@@ Line 46: / Line 51: @@
 == VCB02 Options and VAXstation Enclosures ==
-In the times of the MicroVAX II the smaller [[BA23]] enclosure supported only the 4 Plane VCB02 options.
+In the times of the [[MicroVAX II]], the smaller [[BA23]] enclosure supported only the 4 Plane VCB02 options.
 To use the 8 Plane options you had to use the bigger [[BA123]] enclosure.
@@ Line 52: / Line 57: @@
 This restriction was due to problems with the BA23 power supply and cooling.
-For the [[VAXstation 3200/3500 | VAXstation 3200]] the BA23 power supply as well as cooling were improved so that the restriction was removed.
+For the [[VAXstation 3200/3500 | VAXstation 3200]], the BA23 power supply as well as cooling were improved so that the restriction was removed.
 == VCB02 Monitors ==
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 == VCB02 Usage ==
-The VCB02 was used with the following VAXstation models:
+The VCB02 was used with the following [[VAXstation]] models:
 * [[VAXstation II]]
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 * [[VAXstation 3200]]
 * [[VAXstation 3500]]
-* [[VAXserver 4000 series]], upgraded with: VS30U Field Upgrade of Q-bus VAXservers to Q-bus workstations
+* [[VAXserver 4000 series]], upgraded with: VS30U Field Upgrade of Q-bus [[VAXserver]]s to Q-bus [[workstation]]s
 ==External links==
-* [http://www.bitsavers.org/pdf/dec/qbus/MP02083_VCB02_schem_Jan86.pdf VCB02 Field Maintenance Print Set] (MP-02083-01 Rev. A)
+* [http://www.bitsavers.org/pdf/dec/qbus/vcb02/ VCB02] - documentation at [[Bitsavers]]
-* [http://www.bitsavers.org/pdf/dec/qbus/vcb02/AZ-GLGAB-MN_VCB02_Technical_Manual_Feb86.pdf VCB02 Technical Manual] (AZ-GLGAB-MN)
+** [http://www.bitsavers.org/pdf/dec/qbus/vcb02/VCB02_PrelimHwRef.pdf VCB02 Hardware Manual (preliminary)]
 * [https://manx-docs.org/collections/antonio/dec/MDS-2000-01/cd1/VAX/VS30UAD1.PDF VAXserver 4000 Series Systems VS30U Graphic Upgrade Addendum] (EK-VS30U-AD-001)
+* [https://www.9track.net/simh/video/#vcb02 Video Devices]
 [[Category: QBUS Display Controllers]]