420 Series C-1
Appendix C Pin Assignments
C.1 PJ1 Thermistor Connector (3-pin)
Table C-1 Thermistor connector pin assignments (3-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
01 ACPUTH I 02 NC -
03 GND -
C.2 PJ2 Expansion Memory Connector (140-pin)
Table C-2 Expansion memory connector pin assignments (140-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
01 B3V - 02 B3V -
03 GND - 04 HD36;100 I/O
05 HD35;100 I/O 06 HD37;100 I/O
07 HD34;100 I/O 08 HD38;100 I/O
09 HD33;100 I/O 10 GND -
11 B3V - 12 HD39;100 I/O
13 HD32;100 I/O 14 HD40;100 I/O
15 HD44;100 I/O 16 HD41;100 I/O
17 HD45;100 I/O 18 B3V -
19 GND - 20 HD42;100 I/O
21 HD46;100 I/O 22 HD43;100 I/O
23 HD47;100 I/O 24 HD16;100 I/O
25 HD20;100 I/O 26 GND -
27 B3V - 28 HD17;100 I/O
29 HD21;100 I/O 30 HD18;100 I/O
31 HD22;100 I/O 32 HD19;100 I/O
33 HD23;100 I/O 34 B3V -
35 GND - 36 HD24;100 I/O
37 HD28;100 I/O 38 HD25;100 I/O
39 HD29;100 I/O 40 HD26;100 I/O
41 HD30;100 I/O 42 GND -
43 B3V - 44 HD27;100 I/O
45 HD31;100 I/O 46 HD00;100 I/O
47 HD04;100 I/O 48 HD01;100 I/O
49 HD05;100 I/O 50 B3V -
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