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Nicolet 526: Difference between revisions
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The 526 has its own +5V regulated rail. | The 526 has its own +5V regulated rail. | ||
An external source of +7V unregulated DC is routed from thee 12-pin rear connector to the mainframe interface board, | <!--An external source of +7V unregulated DC is routed from thee 12-pin rear connector to the mainframe interface board, | ||
and into the plug-in. | and into the plug-in.--> | ||
An LM323 +5V three-terminal regulator is the source of the +5V rail within the Nicolet 526. | An LM323 +5V three-terminal regulator is the source of the +5V rail within the Nicolet 526. | ||
(Even though the input is marked "+7 UNREG" on the board, it should probably be +7.5V minimum, | (Even though the input is marked "+7 UNREG" on the board, it should probably be +7.5V minimum, | ||