QL Hardware Reference Manual errata.

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Dave
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QL Hardware Reference Manual errata.

Postby Dave » Fri Mar 16, 2018 6:43 am

Page 4.16 Figure 4.2, keyboard matrix.

The number 4 on J11/8 and J12/7 is actually ↑. 4 is J11/1 J12/6.

Issue 5 schematic: IC21 listed as 74LS257 is 74LS345.
Issue 6 schematic: IC21 listed as 74LS257 is 74LS345.


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