Add connector to blink the Floppy LED on HD activity

2026-04-14 07:50:31 +00:00 · 2021-05-23 11:39:25 +02:00
parent 171c608e8b
commit ee34e2050a
4 changed files with 3314 additions and 2943 deletions
--- a/Raemixx500-cache.lib
+++ b/Raemixx500-cache.lib
@@ -639,6 +639,23 @@ X NC 9 -750 1700 300 R 50 50 1 1 N
 ENDDRAW
 ENDDEF
 #
+# Connector_Conn_01x01_Male
+#
+DEF Connector_Conn_01x01_Male J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "Connector_Conn_01x01_Male" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*
+$ENDFPLIST
+DRAW
+S 34 5 0 -5 1 1 6 F
+P 2 1 1 6 50 0 34 0 N
+X Pin_1 1 200 0 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Connector_Generic_Conn_02x03_Odd_Even
 #
 DEF Connector_Generic_Conn_02x03_Odd_Even J 0 40 Y N 1 F N
--- a/Raemixx500.kicad_pcb
+++ b/Raemixx500.kicad_pcb
--- a/Raemixx500.net
+++ b/Raemixx500.net
--- a/cias.sch
+++ b/cias.sch
@@ -1746,306 +1746,306 @@ RS232\nDECOUPLING
 $Comp
 L Device:R R504
 U 1 1 5F8814B9
-P 12815 2745
-F 0 "R504" V 12730 2745 50  0000 C CNN
-F 1 "4.7k" V 12815 2745 50  0000 C CNN
-F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12745 2745 50  0001 C CNN
-F 3 "~" H 12815 2745 50  0001 C CNN
-F 4 "KEYBOARD" H 12815 2745 50  0001 C CNN "Section"
-	1    12815 2745
+P 12765 2585
+F 0 "R504" V 12680 2585 50  0000 C CNN
+F 1 "4.7k" V 12765 2585 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12695 2585 50  0001 C CNN
+F 3 "~" H 12765 2585 50  0001 C CNN
+F 4 "KEYBOARD" H 12765 2585 50  0001 C CNN "Section"
+	1    12765 2585
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R R506
 U 1 1 5F8818E1
-P 12510 2520
-F 0 "R506" V 12425 2520 50  0000 C CNN
-F 1 "10k" V 12505 2520 50  0000 C CNN
-F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12440 2520 50  0001 C CNN
-F 3 "~" H 12510 2520 50  0001 C CNN
-F 4 "KEYBOARD" H 12510 2520 50  0001 C CNN "Section"
-	1    12510 2520
+P 12460 2360
+F 0 "R506" V 12375 2360 50  0000 C CNN
+F 1 "10k" V 12455 2360 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12390 2360 50  0001 C CNN
+F 3 "~" H 12460 2360 50  0001 C CNN
+F 4 "KEYBOARD" H 12460 2360 50  0001 C CNN "Section"
+	1    12460 2360
 	-1   0    0    1   
 $EndComp
 Wire Wire Line
-	12510 2670 12510 2745
+	12460 2510 12460 2585
 Wire Wire Line
-	12510 2745 12665 2745
+	12460 2585 12615 2585
 Wire Wire Line
-	12510 2745 12290 2745
-Connection ~ 12510 2745
-Text GLabel 12290 2745 0    50   Input ~ 0
+	12460 2585 12240 2585
+Connection ~ 12460 2585
+Text GLabel 12240 2585 0    50   Input ~ 0
 ~MTR0
 $Comp
 L power:VCC #PWR0173
 U 1 1 5F8BF165
-P 12985 2225
-F 0 "#PWR0173" H 12985 2075 50  0001 C CNN
-F 1 "VCC" H 13002 2398 50  0000 C CNN
-F 2 "" H 12985 2225 50  0001 C CNN
-F 3 "" H 12985 2225 50  0001 C CNN
-	1    12985 2225
+P 12935 2065
+F 0 "#PWR0173" H 12935 1915 50  0001 C CNN
+F 1 "VCC" H 12952 2238 50  0000 C CNN
+F 2 "" H 12935 2065 50  0001 C CNN
+F 3 "" H 12935 2065 50  0001 C CNN
+	1    12935 2065
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	12510 2300 12510 2370
+	12460 2140 12460 2210
 $Comp
 L Transistor_BJT:2N3906 Q503
 U 1 1 5F8DE53A
-P 13380 2745
-F 0 "Q503" H 13571 2699 50  0000 L CNN
-F 1 "2N3906" H 13571 2790 50  0000 L CNN
-F 2 "Package_TO_SOT_THT:TO-92L_Inline_Wide" H 13580 2670 50  0001 L CIN
-F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3906.pdf" H 13380 2745 50  0001 L CNN
-F 4 "KEYBOARD" H 13380 2745 50  0001 C CNN "Section"
-	1    13380 2745
+P 13330 2585
+F 0 "Q503" H 13521 2539 50  0000 L CNN
+F 1 "2N3906" H 13521 2630 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92L_Inline_Wide" H 13530 2510 50  0001 L CIN
+F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3906.pdf" H 13330 2585 50  0001 L CNN
+F 4 "KEYBOARD" H 13330 2585 50  0001 C CNN "Section"
+	1    13330 2585
 	1    0    0    1   
 $EndComp
 Wire Wire Line
-	12965 2745 13180 2745
+	12915 2585 13130 2585
 Wire Wire Line
-	12510 2300 12985 2300
+	12460 2140 12935 2140
 Wire Wire Line
-	13480 2300 13480 2545
+	13430 2140 13430 2385
 Wire Wire Line
-	12985 2225 12985 2300
-Connection ~ 12985 2300
+	12935 2065 12935 2140
+Connection ~ 12935 2140
 Wire Wire Line
-	12985 2300 13480 2300
+	12935 2140 13430 2140
 $Comp
 L conn:CONN_8 CN13
 U 1 1 5F93CF11
-P 15110 3390
-F 0 "CN13" H 14978 2793 60  0000 C CNN
-F 1 "KEYBOARD" H 14978 2899 60  0000 C CNN
-F 2 "Raemixx500:Keyboard_Connector" H 15110 3390 50  0001 C CNN
-F 3 "" H 15110 3390 50  0001 C CNN
-F 4 "KEYBOARD" H 15110 3390 50  0001 C CNN "Section"
-	1    15110 3390
+P 15060 3230
+F 0 "CN13" H 14928 2633 60  0000 C CNN
+F 1 "KEYBOARD" H 14928 2739 60  0000 C CNN
+F 2 "Raemixx500:Keyboard_Connector" H 15060 3230 50  0001 C CNN
+F 3 "" H 15060 3230 50  0001 C CNN
+F 4 "KEYBOARD" H 15060 3230 50  0001 C CNN "Section"
+	1    15060 3230
 	1    0    0    1   
 $EndComp
 Wire Wire Line
-	14760 3540 14370 3540
+	14710 3380 14320 3380
 Wire Wire Line
-	13480 2945 13480 3040
+	13430 2785 13430 2880
 Wire Wire Line
-	13480 3040 14760 3040
-Text Label 14515 3040 0    50   ~ 0
+	13430 2880 14710 2880
+Text Label 14465 2880 0    50   ~ 0
 inuse
-Text Label 14515 3140 0    50   ~ 0
+Text Label 14465 2980 0    50   ~ 0
 status
 $Comp
 L power:GND #PWR0174
 U 1 1 5FA235DE
-P 14140 3280
-F 0 "#PWR0174" H 14140 3030 50  0001 C CNN
-F 1 "GND" H 14255 3180 50  0000 C CNN
-F 2 "" H 14140 3280 50  0001 C CNN
-F 3 "" H 14140 3280 50  0001 C CNN
-	1    14140 3280
+P 14090 3120
+F 0 "#PWR0174" H 14090 2870 50  0001 C CNN
+F 1 "GND" H 14205 3020 50  0000 C CNN
+F 2 "" H 14090 3120 50  0001 C CNN
+F 3 "" H 14090 3120 50  0001 C CNN
+	1    14090 3120
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	14140 3240 14140 3280
+	14090 3080 14090 3120
 Wire Wire Line
-	14140 3240 14760 3240
-Text Label 14515 3540 0    50   ~ 0
+	14090 3080 14710 3080
+Text Label 14465 3380 0    50   ~ 0
 reset
-Text Label 14515 3640 0    50   ~ 0
+Text Label 14465 3480 0    50   ~ 0
 data
-Text Label 14515 3740 0    50   ~ 0
+Text Label 14465 3580 0    50   ~ 0
 clock
 $Comp
 L power:VCC #PWR0175
 U 1 1 5FA4701A
-P 13985 3390
-F 0 "#PWR0175" H 13985 3240 50  0001 C CNN
-F 1 "VCC" H 13990 3535 50  0000 C CNN
-F 2 "" H 13985 3390 50  0001 C CNN
-F 3 "" H 13985 3390 50  0001 C CNN
-	1    13985 3390
+P 13935 3230
+F 0 "#PWR0175" H 13935 3080 50  0001 C CNN
+F 1 "VCC" H 13940 3375 50  0000 C CNN
+F 2 "" H 13935 3230 50  0001 C CNN
+F 3 "" H 13935 3230 50  0001 C CNN
+	1    13935 3230
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	13985 3440 13985 3390
+	13935 3280 13935 3230
 Wire Wire Line
-	13985 3440 14760 3440
+	13935 3280 14710 3280
 $Comp
 L Device:R R503
 U 1 1 5FA8F09B
-P 12815 3675
-F 0 "R503" V 12730 3675 50  0000 C CNN
-F 1 "4.7k" V 12815 3675 50  0000 C CNN
-F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12745 3675 50  0001 C CNN
-F 3 "~" H 12815 3675 50  0001 C CNN
-F 4 "KEYBOARD" H 12815 3675 50  0001 C CNN "Section"
-	1    12815 3675
+P 12765 3515
+F 0 "R503" V 12680 3515 50  0000 C CNN
+F 1 "4.7k" V 12765 3515 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12695 3515 50  0001 C CNN
+F 3 "~" H 12765 3515 50  0001 C CNN
+F 4 "KEYBOARD" H 12765 3515 50  0001 C CNN "Section"
+	1    12765 3515
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R R505
 U 1 1 5FA8F0A1
-P 12510 3450
-F 0 "R505" V 12425 3450 50  0000 C CNN
-F 1 "10k" V 12505 3450 50  0000 C CNN
-F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12440 3450 50  0001 C CNN
-F 3 "~" H 12510 3450 50  0001 C CNN
-F 4 "KEYBOARD" H 12510 3450 50  0001 C CNN "Section"
-	1    12510 3450
+P 12460 3290
+F 0 "R505" V 12375 3290 50  0000 C CNN
+F 1 "10k" V 12455 3290 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12390 3290 50  0001 C CNN
+F 3 "~" H 12460 3290 50  0001 C CNN
+F 4 "KEYBOARD" H 12460 3290 50  0001 C CNN "Section"
+	1    12460 3290
 	-1   0    0    1   
 $EndComp
 Wire Wire Line
-	12510 3600 12510 3675
+	12460 3440 12460 3515
 Wire Wire Line
-	12510 3675 12665 3675
+	12460 3515 12615 3515
 Wire Wire Line
-	12510 3675 12290 3675
-Connection ~ 12510 3675
+	12460 3515 12240 3515
+Connection ~ 12460 3515
 $Comp
 L power:VCC #PWR0176
 U 1 1 5FA8F0AB
-P 12985 3155
-F 0 "#PWR0176" H 12985 3005 50  0001 C CNN
-F 1 "VCC" H 13002 3328 50  0000 C CNN
-F 2 "" H 12985 3155 50  0001 C CNN
-F 3 "" H 12985 3155 50  0001 C CNN
-	1    12985 3155
+P 12935 2995
+F 0 "#PWR0176" H 12935 2845 50  0001 C CNN
+F 1 "VCC" H 12952 3168 50  0000 C CNN
+F 2 "" H 12935 2995 50  0001 C CNN
+F 3 "" H 12935 2995 50  0001 C CNN
+	1    12935 2995
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	12510 3230 12510 3300
+	12460 3070 12460 3140
 $Comp
 L Transistor_BJT:2N3906 Q502
 U 1 1 5FA8F0B2
-P 13380 3675
-F 0 "Q502" H 13571 3629 50  0000 L CNN
-F 1 "2N3906" H 13571 3720 50  0000 L CNN
-F 2 "Package_TO_SOT_THT:TO-92L_Inline_Wide" H 13580 3600 50  0001 L CIN
-F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3906.pdf" H 13380 3675 50  0001 L CNN
-F 4 "KEYBOARD" H 13380 3675 50  0001 C CNN "Section"
-	1    13380 3675
+P 13330 3515
+F 0 "Q502" H 13521 3469 50  0000 L CNN
+F 1 "2N3906" H 13521 3560 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92L_Inline_Wide" H 13530 3440 50  0001 L CIN
+F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3906.pdf" H 13330 3515 50  0001 L CNN
+F 4 "KEYBOARD" H 13330 3515 50  0001 C CNN "Section"
+	1    13330 3515
 	1    0    0    1   
 $EndComp
 Wire Wire Line
-	12965 3675 13180 3675
+	12915 3515 13130 3515
 Wire Wire Line
-	12510 3230 12985 3230
+	12460 3070 12935 3070
 Wire Wire Line
-	13480 3230 13480 3475
+	13430 3070 13430 3315
 Wire Wire Line
-	12985 3155 12985 3230
-Connection ~ 12985 3230
+	12935 2995 12935 3070
+Connection ~ 12935 3070
 Wire Wire Line
-	12985 3230 13480 3230
+	12935 3070 13430 3070
 Wire Wire Line
-	13480 3875 13480 3970
-Text GLabel 12290 3675 0    50   Input ~ 0
+	13430 3715 13430 3810
+Text GLabel 12240 3515 0    50   Input ~ 0
 ~LED
 Wire Wire Line
-	13480 3970 13885 3970
+	13430 3810 13835 3810
 Wire Wire Line
-	13885 3970 13885 3230
+	13835 3810 13835 3070
 Wire Wire Line
-	13885 3140 14760 3140
+	13835 2980 14710 2980
 $Comp
 L Device:R R507
 U 1 1 5FBBDEB1
-P 13685 3230
-F 0 "R507" V 13600 3230 50  0000 C CNN
-F 1 "100" V 13685 3230 50  0000 C CNN
-F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 13615 3230 50  0001 C CNN
-F 3 "~" H 13685 3230 50  0001 C CNN
-F 4 "KEYBOARD" H 13685 3230 50  0001 C CNN "Section"
-	1    13685 3230
+P 13635 3070
+F 0 "R507" V 13550 3070 50  0000 C CNN
+F 1 "100" V 13635 3070 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 13565 3070 50  0001 C CNN
+F 3 "~" H 13635 3070 50  0001 C CNN
+F 4 "KEYBOARD" H 13635 3070 50  0001 C CNN "Section"
+	1    13635 3070
 	0    1    1    0   
 $EndComp
 Wire Wire Line
-	13480 3230 13535 3230
-Connection ~ 13480 3230
+	13430 3070 13485 3070
+Connection ~ 13430 3070
 Wire Wire Line
-	13835 3230 13885 3230
-Connection ~ 13885 3230
+	13785 3070 13835 3070
+Connection ~ 13835 3070
 Wire Wire Line
-	13885 3230 13885 3140
-Text GLabel 14370 3540 0    50   Output ~ 0
+	13835 3070 13835 2980
+Text GLabel 14320 3380 0    50   Output ~ 0
 ~KBRESET
-Text GLabel 15015 4340 2    50   Output ~ 0
+Text GLabel 14965 4180 2    50   Output ~ 0
 ~KBDATA
 $Comp
 L emi_filter_lcl_small:EMI_Filter_LCL E632
 U 1 1 5FC0C8A2
-P 14545 4085
-F 0 "E632" H 14545 4275 50  0000 C CNN
-F 1 "100p" H 14350 4055 50  0000 C CNN
-F 2 "Raemixx500:EMI_Filter_Short" V 14545 4085 50  0001 C CNN
-F 3 "http://www.murata.com/~/media/webrenewal/support/library/catalog/products/emc/emifil/c31e.ashx?la=en-gb" V 14545 4085 50  0001 C CNN
-F 4 "KEYBOARD" H 14545 4085 50  0001 C CNN "Section"
-F 5 "NORMAL" H 14545 4085 50  0001 C CNN "EMI_FILTER_TYPE"
-F 6 "0.233" H 14545 4085 50  0001 C CNN "Cost"
-F 7 "DSS1NB32A101Q91A (has ferrite)" H 14545 4085 50  0001 C CNN "MFG Part Num"
-	1    14545 4085
+P 14495 3925
+F 0 "E632" H 14495 4115 50  0000 C CNN
+F 1 "100p" H 14300 3895 50  0000 C CNN
+F 2 "Raemixx500:EMI_Filter_Short" V 14495 3925 50  0001 C CNN
+F 3 "http://www.murata.com/~/media/webrenewal/support/library/catalog/products/emc/emifil/c31e.ashx?la=en-gb" V 14495 3925 50  0001 C CNN
+F 4 "KEYBOARD" H 14495 3925 50  0001 C CNN "Section"
+F 5 "NORMAL" H 14495 3925 50  0001 C CNN "EMI_FILTER_TYPE"
+F 6 "0.233" H 14495 3925 50  0001 C CNN "Cost"
+F 7 "DSS1NB32A101Q91A (has ferrite)" H 14495 3925 50  0001 C CNN "MFG Part Num"
+	1    14495 3925
 	1    0    0    -1  
 $EndComp
 $Comp
 L emi_filter_lcl_small:EMI_Filter_LCL E631
 U 1 1 5FD0A3D9
-P 14545 4440
-F 0 "E631" H 14545 4630 50  0000 C CNN
-F 1 "100p" H 14350 4410 50  0000 C CNN
-F 2 "Raemixx500:EMI_Filter_Short" V 14545 4440 50  0001 C CNN
-F 3 "http://www.murata.com/~/media/webrenewal/support/library/catalog/products/emc/emifil/c31e.ashx?la=en-gb" V 14545 4440 50  0001 C CNN
-F 4 "KEYBOARD" H 14545 4440 50  0001 C CNN "Section"
-F 5 "NORMAL" H 14545 4440 50  0001 C CNN "EMI_FILTER_TYPE"
-F 6 "0.233" H 14545 4440 50  0001 C CNN "Cost"
-F 7 "DSS1NB32A101Q91A (has ferrite)" H 14545 4440 50  0001 C CNN "MFG Part Num"
-	1    14545 4440
+P 14495 4280
+F 0 "E631" H 14495 4470 50  0000 C CNN
+F 1 "100p" H 14300 4250 50  0000 C CNN
+F 2 "Raemixx500:EMI_Filter_Short" V 14495 4280 50  0001 C CNN
+F 3 "http://www.murata.com/~/media/webrenewal/support/library/catalog/products/emc/emifil/c31e.ashx?la=en-gb" V 14495 4280 50  0001 C CNN
+F 4 "KEYBOARD" H 14495 4280 50  0001 C CNN "Section"
+F 5 "NORMAL" H 14495 4280 50  0001 C CNN "EMI_FILTER_TYPE"
+F 6 "0.233" H 14495 4280 50  0001 C CNN "Cost"
+F 7 "DSS1NB32A101Q91A (has ferrite)" H 14495 4280 50  0001 C CNN "MFG Part Num"
+	1    14495 4280
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	14245 3985 14155 3985
+	14195 3825 14105 3825
 Wire Wire Line
-	14155 3985 14155 3740
+	14105 3825 14105 3580
 Wire Wire Line
-	14155 3740 14760 3740
+	14105 3580 14710 3580
 Wire Wire Line
-	14245 4340 14055 4340
+	14195 4180 14005 4180
 Wire Wire Line
-	14055 4340 14055 3640
+	14005 4180 14005 3480
 Wire Wire Line
-	14055 3640 14760 3640
+	14005 3480 14710 3480
 Wire Wire Line
-	14845 3985 15015 3985
+	14795 3825 14965 3825
 Wire Wire Line
-	14845 4340 15015 4340
-Text GLabel 15015 3985 2    50   Output ~ 0
+	14795 4180 14965 4180
+Text GLabel 14965 3825 2    50   Output ~ 0
 ~KBCLOCK
 Wire Wire Line
-	14545 4135 14545 4175
+	14495 3975 14495 4015
 Wire Wire Line
-	14545 4175 14880 4175
+	14495 4015 14830 4015
 Wire Wire Line
-	14880 4175 14880 4555
+	14830 4015 14830 4395
 Wire Wire Line
-	14880 4555 14710 4555
+	14830 4395 14660 4395
 Wire Wire Line
-	14545 4555 14545 4490
+	14495 4395 14495 4330
 $Comp
 L power:GND #PWR0177
 U 1 1 5FE8DD06
-P 14710 4595
-F 0 "#PWR0177" H 14710 4345 50  0001 C CNN
-F 1 "GND" H 14825 4495 50  0000 C CNN
-F 2 "" H 14710 4595 50  0001 C CNN
-F 3 "" H 14710 4595 50  0001 C CNN
-	1    14710 4595
+P 14660 4435
+F 0 "#PWR0177" H 14660 4185 50  0001 C CNN
+F 1 "GND" H 14775 4335 50  0000 C CNN
+F 2 "" H 14660 4435 50  0001 C CNN
+F 3 "" H 14660 4435 50  0001 C CNN
+	1    14660 4435
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	14710 4555 14710 4595
-Connection ~ 14710 4555
+	14660 4395 14660 4435
+Connection ~ 14660 4395
 Wire Wire Line
-	14710 4555 14545 4555
-Text Notes 14995 1785 2    315  ~ 0
+	14660 4395 14495 4395
+Text Notes 15165 1660 2    315  ~ 0
 KEYBOARD\nCONNECTOR
 $Comp
 L ne555:NE555 U42
@@ -2207,7 +2207,7 @@ Wire Wire Line
 	12685 6985 11990 6985
 Wire Wire Line
 	11745 6985 11990 6985
-Text Notes 14955 6530 2    315  ~ 0
+Text Notes 14980 6820 2    315  ~ 0
 POWER-UP\nRESET
 $Comp
 L ne555:NE555 U42
@@ -2574,9 +2574,9 @@ Wire Wire Line
 	10325 1720 10325 2290
 Wire Wire Line
 	10325 2290 9950 2290
-Text Notes 14565 3375 0    50   ~ 0
+Text Notes 14515 3215 0    50   ~ 0
 KEY
-NoConn ~ 14760 3340
+NoConn ~ 14710 3180
 $Comp
 L Jumper_3_Bridged23:Jumper_3_Bridged23 JP7B1
 U 1 1 5E8A9D97
@@ -2668,6 +2668,102 @@ Wire Wire Line
 	3570 8235 4035 8235
 Wire Wire Line
 	3570 8335 3960 8335
+$Comp
+L Transistor_BJT:2N3906 Q99
+U 1 1 62780EB3
+P 13195 5100
+F 0 "Q99" H 13386 5054 50  0000 L CNN
+F 1 "2N3906" H 13386 5145 50  0000 L CNN
+F 2 "Package_TO_SOT_THT:TO-92L_Inline_Wide" H 13395 5025 50  0001 L CIN
+F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3906.pdf" H 13195 5100 50  0001 L CNN
+F 4 "KEYBOARD" H 13195 5100 50  0001 C CNN "Section"
+	1    13195 5100
+	1    0    0    1   
+$EndComp
+$Comp
+L Connector:Conn_01x01_Male J99
+U 1 1 62782640
+P 12415 4300
+F 0 "J99" H 12523 4481 50  0000 C CNN
+F 1 "CONN_HDACT" H 12523 4390 50  0000 C CNN
+F 2 "Raemixx500:PinHeader_1x01_P2.54mm_Vertical" H 12415 4300 50  0001 C CNN
+F 3 "~" H 12415 4300 50  0001 C CNN
+	1    12415 4300
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R98
+U 1 1 6278301D
+P 13295 4620
+F 0 "R98" V 13210 4620 50  0000 C CNN
+F 1 "10k" V 13290 4620 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 13225 4620 50  0001 C CNN
+F 3 "~" H 13295 4620 50  0001 C CNN
+F 4 "KEYBOARD" H 13295 4620 50  0001 C CNN "Section"
+	1    13295 4620
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:R R99
+U 1 1 627834F4
+P 12790 4620
+F 0 "R99" V 12705 4620 50  0000 C CNN
+F 1 "47k" V 12785 4620 50  0000 C CNN
+F 2 "Raemixx500:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal" V 12720 4620 50  0001 C CNN
+F 3 "~" H 12790 4620 50  0001 C CNN
+F 4 "KEYBOARD" H 12790 4620 50  0001 C CNN "Section"
+	1    12790 4620
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	12790 4770 12790 5100
+Wire Wire Line
+	12790 5100 12995 5100
+Wire Wire Line
+	13295 4900 13295 4835
+Wire Wire Line
+	12615 4300 12790 4300
+Wire Wire Line
+	13295 4300 13295 4470
+Wire Wire Line
+	12790 4470 12790 4300
+Connection ~ 12790 4300
+Wire Wire Line
+	12790 4300 13295 4300
+Wire Wire Line
+	13295 5300 13295 5540
+Wire Wire Line
+	13295 5540 13705 5540
+Text Label 13705 5540 2    50   ~ 0
+inuse
+Wire Wire Line
+	13295 4835 13630 4835
+Wire Wire Line
+	13630 4835 13630 4300
+Connection ~ 13295 4835
+Wire Wire Line
+	13295 4835 13295 4770
+$Comp
+L power:VCC #PWR0287
+U 1 1 628D2BCE
+P 13630 4300
+F 0 "#PWR0287" H 13630 4150 50  0001 C CNN
+F 1 "VCC" H 13647 4473 50  0000 C CNN
+F 2 "" H 13630 4300 50  0001 C CNN
+F 3 "" H 13630 4300 50  0001 C CNN
+	1    13630 4300
+	1    0    0    -1  
+$EndComp
+Wire Notes Line
+	12190 3985 13850 3985
+Wire Notes Line
+	13850 3985 13850 5625
+Wire Notes Line
+	13850 5625 12190 5625
+Wire Notes Line
+	12190 5625 12190 3985
+Text Notes 13895 5615 0    50   ~ 0
+ADDITIONAL CIRCUIT TO BLINK THE\nFLOPPY LED ON HARD DISK ACTIVITY\n\nCONNECT TO PIN 39 OF CF ADAPTERS
 Wire Bus Line
 	1785 3110 1785 6275
 Wire Bus Line