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Changes for page Front I/O

Last modified by Kevin Wiki on 2024/07/07 22:48
From version 7.4
edited by Kevin Wiki
on 2024/07/05 10:16
Change comment: There is no comment for this version
To version 7.3
edited by Kevin Wiki
on 2024/07/05 09:31
Change comment: There is no comment for this version

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... ... @@ -194,35 +194,7 @@
194 194  * Power LED P3V3 - 3.30V
195 195  * Power LED - 0.87 V
196 196  
197 -= Controlling top I/O LED =
198 -
199 -On the top row we have the following input/output devices in order from left to right;
200 -
201 -Left side:
202 -
203 -* physical lock
204 -* lock LED
205 -* warning/service button
206 -* warning/service LED
207 -* locate button
208 -* power LED (red & green)
209 -* fan LED (red & green)
210 -* temperature LED (red & green)
211 -* compute LED (unknown)
212 -
213 -Right side:
214 -
215 -* power LED (red & green)
216 -* fan LED (red & green)
217 -* temperature LED (red & green)
218 -* compute LED (unknown)
219 -
220 -Each side is driven by each their PCA9554 shift register. The registers represent the following LEDs: (Note that Lock LED is only present for the LEFT side)
221 -
222 -|=(% scope="row" %)Register|1|2|3|4|5|6|7
223 -|=Device|Power LED Green|Power LED Red|Fan LED Green|Fan LED Red|Temperature LED Green|Temperature LED Red|Lock LED
224 -
225 -To control each LED we shift either a 0 to turn off or 1 to turn on. Since each device shares a single red/green LED (power LED green & power LED red) setting both to 1 at the same time will always leave it red. That is when power LED green and power LED red are both enabled, red always takes precedence.
197 +
226 226  )))
227 227  
228 228