1 EESchema Schematic File Version 4
7 Title "SGI - PS/2 keyboard and mouse converter"
10 Comp "Mutant Stargoat"
11 Comment1 "Creative Commons Attribution Share-Alike (CC BY-SA)"
12 Comment2 "Copyright (C) 2017-2022 John Tsiombikas <nuclear@member.fsf.org>"
17 L sgikbd-rescue:ps2conn U3
20 F 0 "U3" H 7450 3700 60 0000 C CNN
21 F 1 "ps2conn" V 7850 3950 60 0000 C CNN
22 F 2 "" H 7700 3950 60 0001 C CNN
23 F 3 "" H 7700 3950 60 0001 C CNN
28 L sgikbd-rescue:ATMEGA88-20PU U1
31 F 0 "U1" H 3950 5100 50 0000 L BNN
32 F 1 "ATMEGA88-20PU" H 5150 2450 50 0000 L BNN
33 F 2 "DIL28" H 4800 3800 50 0001 C CIN
34 F 3 "" H 4800 3800 50 0001 C CNN
39 L sgikbd-rescue:GND #PWR12
42 F 0 "#PWR12" H 7100 3700 50 0001 C CNN
43 F 1 "GND" H 7100 3800 50 0000 C CNN
44 F 2 "" H 7100 3950 50 0001 C CNN
45 F 3 "" H 7100 3950 50 0001 C CNN
50 L sgikbd-rescue:VCC #PWR14
53 F 0 "#PWR14" H 8100 3800 50 0001 C CNN
54 F 1 "VCC" H 8100 4100 50 0000 C CNN
55 F 2 "" H 8100 3950 50 0001 C CNN
56 F 3 "" H 8100 3950 50 0001 C CNN
60 Text Label 5800 4450 0 60 ~ 0
63 L sgikbd-rescue:AVR-ISP-6 CON1
66 F 0 "CON1" H 6645 3390 50 0000 C CNN
67 F 1 "ISP" H 6485 2920 50 0000 L BNN
68 F 2 "AVR-ISP-6" V 6230 3190 50 0001 C CNN
69 F 3 "" H 6725 3150 50 0001 C CNN
74 L sgikbd-rescue:VCC #PWR11
77 F 0 "#PWR11" H 7100 2900 50 0001 C CNN
78 F 1 "VCC" H 7100 3200 50 0000 C CNN
79 F 2 "" H 7100 3050 50 0001 C CNN
80 F 3 "" H 7100 3050 50 0001 C CNN
85 L sgikbd-rescue:GND #PWR10
88 F 0 "#PWR10" H 6850 3050 50 0001 C CNN
89 F 1 "GND" H 6850 3150 50 0000 C CNN
90 F 2 "" H 6850 3300 50 0001 C CNN
91 F 3 "" H 6850 3300 50 0001 C CNN
96 L sgikbd-rescue:Crystal Y1
99 F 0 "Y1" H 6050 3550 50 0000 C CNN
100 F 1 "Crystal" H 6050 3250 50 0000 C CNN
101 F 2 "" H 6050 3400 50 0001 C CNN
102 F 3 "" H 6050 3400 50 0001 C CNN
110 F 0 "C3" H 6075 3800 50 0000 L CNN
111 F 1 "22pF" H 6075 3600 50 0000 L CNN
112 F 2 "" H 6088 3550 50 0001 C CNN
113 F 3 "" H 6050 3700 50 0001 C CNN
121 F 0 "C4" H 6325 3800 50 0000 L CNN
122 F 1 "22pF" H 6325 3600 50 0000 L CNN
123 F 2 "" H 6338 3550 50 0001 C CNN
124 F 3 "" H 6300 3700 50 0001 C CNN
129 L sgikbd-rescue:GND #PWR8
132 F 0 "#PWR8" H 6300 3600 50 0001 C CNN
133 F 1 "GND" H 6300 3700 50 0000 C CNN
134 F 2 "" H 6300 3850 50 0001 C CNN
135 F 3 "" H 6300 3850 50 0001 C CNN
140 L sgikbd-rescue:VCC #PWR3
143 F 0 "#PWR3" H 3800 2500 50 0001 C CNN
144 F 1 "VCC" H 3800 2800 50 0000 C CNN
145 F 2 "" H 3800 2650 50 0001 C CNN
146 F 3 "" H 3800 2650 50 0001 C CNN
151 L sgikbd-rescue:GND #PWR4
154 F 0 "#PWR4" H 3800 4700 50 0001 C CNN
155 F 1 "GND" H 3800 4800 50 0000 C CNN
156 F 2 "" H 3800 4950 50 0001 C CNN
157 F 3 "" H 3800 4950 50 0001 C CNN
166 F 0 "C2" H 3625 4100 50 0000 L CNN
167 F 1 "0.1uF" H 3625 3900 50 0000 L CNN
168 F 2 "" H 3638 3850 50 0001 C CNN
169 F 3 "" H 3600 4000 50 0001 C CNN
174 L sgikbd-rescue:GND #PWR2
177 F 0 "#PWR2" H 3600 3900 50 0001 C CNN
178 F 1 "GND" H 3600 4000 50 0000 C CNN
179 F 2 "" H 3600 4150 50 0001 C CNN
180 F 3 "" H 3600 4150 50 0001 C CNN
185 L sgikbd-rescue:VCC #PWR1
188 F 0 "#PWR1" H 3600 3700 50 0001 C CNN
189 F 1 "VCC" H 3600 4000 50 0000 C CNN
190 F 2 "" H 3600 3850 50 0001 C CNN
191 F 3 "" H 3600 3850 50 0001 C CNN
199 F 0 "C1" H 3325 4100 50 0000 L CNN
200 F 1 "0.1uF" H 3325 3900 50 0000 L CNN
201 F 2 "" H 3338 3850 50 0001 C CNN
202 F 3 "" H 3300 4000 50 0001 C CNN
207 L sgikbd-rescue:sgikbd_conn U2
210 F 0 "U2" H 5900 5100 60 0000 C CNN
211 F 1 "intkbd" V 6400 5550 60 0000 C CNN
212 F 2 "" H 6450 4850 60 0001 C CNN
213 F 3 "" H 6450 4850 60 0001 C CNN
218 L sgikbd-rescue:GND #PWR7
221 F 0 "#PWR7" H 6050 5800 50 0001 C CNN
222 F 1 "GND" H 6050 5900 50 0000 C CNN
223 F 2 "" H 6050 6050 50 0001 C CNN
224 F 3 "" H 6050 6050 50 0001 C CNN
228 Text Label 5700 2950 0 60 ~ 0
230 Text Label 5700 3050 0 60 ~ 0
232 Text Label 5700 3150 0 60 ~ 0
234 Text Label 5900 4100 0 60 ~ 0
236 Text Label 5700 3250 0 60 ~ 0
238 Text Label 5700 3350 0 60 ~ 0
245 L sgikbd-rescue:CONN_01X04 J1
248 F 0 "J1" H 6950 4000 50 0000 C CNN
249 F 1 "SERIAL" V 7050 3750 50 0000 C CNN
250 F 2 "" H 6950 3750 50 0001 C CNN
251 F 3 "" H 6950 3750 50 0001 C CNN
256 L sgikbd-rescue:VCC #PWR9
259 F 0 "#PWR9" H 6650 3600 50 0001 C CNN
260 F 1 "VCC" H 6650 3900 50 0000 C CNN
261 F 2 "" H 6650 3750 50 0001 C CNN
262 F 3 "" H 6650 3750 50 0001 C CNN
266 Text Label 6650 4150 0 60 ~ 0
268 Text Label 6650 4250 0 60 ~ 0
286 Connection ~ 6050 3250
287 Connection ~ 6050 3550
290 Connection ~ 6300 3850
293 Connection ~ 3800 2650
296 Connection ~ 3800 4950
301 Connection ~ 3600 4150
302 Connection ~ 3600 3850
339 Connection ~ 7100 3950
351 L sgikbd-rescue:VCC #PWR6
354 F 0 "#PWR6" H 6050 4900 50 0001 C CNN
355 F 1 "VCC" H 6050 5200 50 0000 C CNN
356 F 2 "" H 6050 5050 50 0001 C CNN
357 F 3 "" H 6050 5050 50 0001 C CNN
361 Text Label 5800 4550 0 60 ~ 0
363 Text Label 5800 4650 0 60 ~ 0
365 Text Label 5800 4750 0 60 ~ 0
373 F 0 "R2" V 8180 4400 50 0000 C CNN
374 F 1 "4.7k" V 8100 4400 50 0000 C CNN
375 F 2 "" V 8030 4400 50 0001 C CNN
376 F 3 "" H 8100 4400 50 0001 C CNN
381 L sgikbd-rescue:SW_DPDT_x2 SW2
384 F 0 "SW2" H 7900 5220 50 0000 C CNN
385 F 1 "SW_DPDT_x2" H 7700 4950 50 0000 C CNN
386 F 2 "" H 7900 5050 50 0001 C CNN
387 F 3 "" H 7900 5050 50 0001 C CNN
392 L sgikbd-rescue:SW_DPDT_x2 SW2
395 F 0 "SW2" H 7900 5620 50 0000 C CNN
396 F 1 "SW_DPDT_x2" H 7700 5350 50 0000 C CNN
397 F 2 "" H 7900 5450 50 0001 C CNN
398 F 3 "" H 7900 5450 50 0001 C CNN
403 L sgikbd-rescue:sgikbd_conn U4
406 F 0 "U4" H 8750 5100 60 0000 C CNN
407 F 1 "kbout" V 9250 5550 60 0000 C CNN
408 F 2 "" H 9300 4850 60 0001 C CNN
409 F 3 "" H 9300 4850 60 0001 C CNN
433 Connection ~ 7350 4550
438 F 0 "R3" V 8380 4400 50 0000 C CNN
439 F 1 "4.7k" V 8300 4400 50 0000 C CNN
440 F 2 "" V 8230 4400 50 0001 C CNN
441 F 3 "" H 8300 4400 50 0001 C CNN
447 Connection ~ 7450 4750
449 L sgikbd-rescue:VCC #PWR15
452 F 0 "#PWR15" H 8200 4100 50 0001 C CNN
453 F 1 "VCC" H 8200 4400 50 0000 C CNN
454 F 2 "" H 8200 4250 50 0001 C CNN
455 F 3 "" H 8200 4250 50 0001 C CNN
461 Connection ~ 8200 4250
468 Text Label 6650 5300 0 60 ~ 0
470 Text Label 6650 5400 0 60 ~ 0
490 Connection ~ 6850 6300
491 Text Label 6950 6300 0 60 ~ 0
494 L sgikbd-rescue:GND #PWR17
497 F 0 "#PWR17" H 9100 5800 50 0001 C CNN
498 F 1 "GND" H 9100 5900 50 0000 C CNN
499 F 2 "" H 9100 6050 50 0001 C CNN
500 F 3 "" H 9100 6050 50 0001 C CNN
505 L sgikbd-rescue:VCC #PWR16
508 F 0 "#PWR16" H 9100 4900 50 0001 C CNN
509 F 1 "VCC" H 9100 5200 50 0000 C CNN
510 F 2 "" H 9100 5050 50 0001 C CNN
511 F 3 "" H 9100 5050 50 0001 C CNN
527 Connection ~ 6750 5800
532 F 0 "R1" V 5930 3950 50 0000 C CNN
533 F 1 "4.7k" V 5850 3950 50 0000 C CNN
534 F 2 "" V 5780 3950 50 0001 C CNN
535 F 3 "" H 5850 3950 50 0001 C CNN
539 Connection ~ 5850 4100
541 L sgikbd-rescue:VCC #PWR5
544 F 0 "#PWR5" H 5850 3650 50 0001 C CNN
545 F 1 "VCC" H 5850 3950 50 0000 C CNN
546 F 2 "" H 5850 3800 50 0001 C CNN
547 F 3 "" H 5850 3800 50 0001 C CNN
552 Text Label 7050 5800 0 60 ~ 0
554 Text Label 7050 5700 0 60 ~ 0
556 Text Label 8100 5050 0 60 ~ 0
558 Text Label 8100 5450 0 60 ~ 0
561 L sgikbd-rescue:SW_Push SW1
564 F 0 "SW1" H 7500 3600 50 0000 L CNN
565 F 1 "RESET" H 7450 3440 50 0000 C CNN
566 F 2 "" H 7450 3700 50 0001 C CNN
567 F 3 "" H 7450 3700 50 0001 C CNN
573 Connection ~ 6550 3500
575 L sgikbd-rescue:GND #PWR13
578 F 0 "#PWR13" H 7650 3250 50 0001 C CNN
579 F 1 "GND" H 7650 3350 50 0000 C CNN
580 F 2 "" H 7650 3500 50 0001 C CNN
581 F 3 "" H 7650 3500 50 0001 C CNN