IBM PS/1 Hardware Maintenance Service page 228

14 25
11 15
6 10
13
1
J30
1 5
J14
J13
1 2 3 4
1 5
J11
9 6 9 6 3 1 2 4 3 1
1 6
5 1 5 5 5
Comm B Comm A Conn1 Conn 2
JP24
1
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3
i486SX
JP26
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6
Battery
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