Latest revision as of 22:51, 3 February 2024

Second version of the all-in-one VDC.

Has embedded fast VRAM, which means that VIDEO RAM ERRORs at or above $8000 on boards using this chip are bad news.

Also has embedded palette RAM, so COLOR RAM ERRORs are equally bad news.

Slow VRAM is still external.

On Mv1b, pin 204 is 68clk

Pinout

@@ Line 1: / Line 1: @@
-Third-gen [[GPU]] made by '''F'''ujitsu. Used at least on the [[MV1B]] MVS board.
+{{ChipInfo
+|picture=Neo-grc2-f.jpg
+|pkg=QFP208
+|manu=fujitsu
+|date=1995 ?
+|gates=
+|used_on={{PCB|MV1B}}
+}}
-Apparently has embedded [[VRAM]], which means that Video RAM errors on boards using this chip are bad news.
+Second version of the all-in-one [[VDC]].
-[[Palette RAM]] is still external.
+Has embedded fast [[VRAM]], which means that [[VIDEO RAM ERROR]]s at or above $8000 on boards using this chip are bad news.
+Also has embedded [[palette RAM]], so [[COLOR RAM ERROR]]s are equally bad news.
+Slow VRAM is still external.
+On Mv1b, pin 204 is 68clk
+=Pinout=
+[[File:Neo-grc2_pinout.png|800px]]
+[[File:Neo-grc2.odg]]
 [[Category:Chips]]