ERC errors in KiCAD

[AndersBNielsen]

The schematic looks a bit interesting in KiCAD 6. Lots of unconnected pins etc. Of course I also had to remap symbols.

This is the ERC errors:

ERC report (Wednesday, 26 October 2022 at 08.41.12, Encoding UTF8)

***** Sheet /
[duplicate_reference]: Duplicate items U9A

; Severity: error
@(218.44 mm, 226.06 mm): Symbol U9 [28C256-RESCUE-XT-IDE]
@(132.08 mm, 231.14 mm): Symbol U9 [74LS688]

[duplicate_reference]: Duplicate items U6F

; Severity: error
@(298.45 mm, 318.77 mm): Symbol U6F [74LS04]
@(106.68 mm, 127.00 mm): Symbol U6 [74LS688]

[unit_value_mismatch]: Different values for U6F (74LS04) and U6A (74LS688)
; Severity: error
@(298.45 mm, 318.77 mm): Symbol U6F [74LS04]
@(106.68 mm, 127.00 mm): Symbol U6 [74LS688]
[duplicate_reference]: Duplicate items U5E

; Severity: error
@(114.30 mm, 165.10 mm): Symbol U5E [74LS04]
@(369.57 mm, 161.29 mm): Symbol U5D [74LS32]

[unit_value_mismatch]: Different values for U5E (74LS04) and U5D (74LS32)
; Severity: error
@(114.30 mm, 165.10 mm): Symbol U5E [74LS04]
@(369.57 mm, 161.29 mm): Symbol U5D [74LS32]
[different_unit_net]: Pin 11 is connected to both Net-(U5-Pad11) and Net-(U4-Pad9)
; Severity: error
@(102.87 mm, 165.10 mm): Symbol U5E [74LS04] Pin 11 [, Input, Line]
@(384.81 mm, 161.29 mm): Symbol U5D [74LS32] Pin 11 [, Output, Line]
[duplicate_reference]: Duplicate items U3A

; Severity: error
@(284.48 mm, 123.19 mm): Symbol U3 [74LS245]
@(223.52 mm, 35.56 mm): Symbol U3 [74LS573]

[multiple_net_names]: Both VCC and DMACK are attached to the same items; VCC will be used in the netlist
; Severity: warning
@(218.44 mm, 201.93 mm): Symbol U9 [28C256-RESCUE-XT-IDE] Pin 28 [VCC, Power input, Line]
@(328.93 mm, 59.69 mm): Label 'DMACK'
[pin_to_pin]: Pins of type Tri-state and Output are connected
; Severity: warning
@(266.70 mm, 123.19 mm): Symbol U3 [74LS245] Pin 13 [B5, Tri-state, Line]
@(320.04 mm, 189.23 mm): Symbol U4C [74LS04] Pin 6 [, Output, Inverted]
[pin_to_pin]: Pins of type Tri-state and Output are connected
; Severity: warning
@(266.70 mm, 128.27 mm): Symbol U3 [74LS245] Pin 11 [B7, Tri-state, Line]
@(243.84 mm, 140.97 mm): Symbol U5B [74LS04] Pin 4 [, Output, Inverted]
[pin_to_pin]: Pins of type Output and Tri-state are connected
; Severity: warning
@(196.85 mm, 132.08 mm): Symbol U8B [74LS32] Pin 6 [, Output, Line]
@(266.70 mm, 110.49 mm): Symbol U3 [74LS245] Pin 18 [B0, Tri-state, Line]
[pin_to_pin]: Pins of type Output and Tri-state are connected
; Severity: warning
@(196.85 mm, 110.49 mm): Symbol U8A [74LS32] Pin 3 [, Output, Line]
@(266.70 mm, 113.03 mm): Symbol U3 [74LS245] Pin 17 [B1, Tri-state, Line]
[no_connect_connected]: A pin with a "no connection" flag is connected
; Severity: warning
@(365.76 mm, 62.23 mm): Symbol P1 [CONN_20X2] Pin 32 [P32, Passive, Inverted]
[no_connect_connected]: A pin with a "no connection" flag is connected
; Severity: warning
@(365.76 mm, 64.77 mm): Symbol P1 [CONN_20X2] Pin 34 [P34, Passive, Inverted]
[multiple_net_names]: Both GND and CSEL are attached to the same items; GND will be used in the netlist
; Severity: warning
@(218.44 mm, 250.19 mm): Symbol U9 [28C256-RESCUE-XT-IDE] Pin 14 [GND, Power input, Line]
@(374.65 mm, 57.15 mm): Label 'CSEL'
[power_pin_not_driven]: Input Power pin not driven by any Output Power pins
; Severity: error
@(26.67 mm, 204.47 mm): Symbol #PWR0101 [VCC] Pin 1 [VCC, Power input, Line]
[pin_not_connected]: Pin not connected
; Severity: error
@(72.39 mm, 196.85 mm): Symbol RR2 [RR9] Pin 10 [10, Passive, Inverted]
[pin_not_connected]: Pin not connected
; Severity: error
@(69.85 mm, 196.85 mm): Symbol RR2 [RR9] Pin 9 [9, Passive, Inverted]
[power_pin_not_driven]: Input Power pin not driven by any Output Power pins
; Severity: error
@(307.34 mm, 171.45 mm): Symbol U4B [74LS04] Pin 7 [GND, Power input, Line]
[pin_not_connected]: Pin not connected
; Severity: error
@(33.02 mm, 40.64 mm): Symbol BUS1 [BUSPC] Pin 9 [+12V, Passive, Line]
[pin_to_pin]: Pins of type Output and Tri-state are connected
; Severity: warning
@(33.02 mm, 50.80 mm): Symbol BUS1 [BUSPC] Pin 13 [IOW, Output, Inverted]
@(266.70 mm, 125.73 mm): Symbol U3 [74LS245] Pin 12 [B6, Tri-state, Line]
[pin_not_connected]: Pin not connected
; Severity: error
@(29.21 mm, 142.24 mm): Symbol SW1 [DIPS_08] Pin 7 [, Passive, Line]
[pin_not_connected]: Pin not connected
; Severity: error
@(52.07 mm, 115.57 mm): Symbol RR1 [RR9] Pin 2 [2, Passive, Inverted]
[pin_not_connected]: Pin not connected
; Severity: error
@(72.39 mm, 115.57 mm): Symbol RR1 [RR9] Pin 10 [10, Passive, Inverted]
[pin_not_connected]: Pin not connected
; Severity: error
@(69.85 mm, 115.57 mm): Symbol RR1 [RR9] Pin 9 [9, Passive, Inverted]
[pin_not_connected]: Pin not connected
; Severity: error
@(39.37 mm, 142.24 mm): Symbol SW1 [DIPS_08] Pin 10 [, Passive, Line]

** ERC messages: 26 Errors 17 Warnings 9

[chapmajs]

Hi there, thanks for the report! I'll try and import the project into KiCAD 6 when I get a chance.