May 2014
Intermediate to advanced
320 pages
13h 41m
English
Content preview from Servicing Personal Computers, 3rd Edition
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Table 6.12 IC locations in the original PC
IC code
U1
U2
U3
U4
U5
U6
U7
U8
U9,U10
U11
U12-U14
U15-U17
U18
U19
U20
U21
U22
U23
U24
U25
U26
U27
U28
U29,U30
U31
U32,U33
U34
U35
U36
U37-U45
U46-U48
U49
U50
U51
U52
U53-U61
U62
U63
U64
U65,U66
U67
U68
U69-U77
U78
U79
U80
U81
U82
U83
U84
U85-U93
U94
U95
U96
U97
U98
U99
Device fitted
1741
8259A
8088
8087
74LS30
8288
74LS373
74LS245
74LS373
8284A
74LS245
74LS244
74LS373
74LS670
RN1
SW1
RN2
74LS244
74LS322
SW2
74LS175
74LS02
vacant
9264
MK36A70N-4
9264
8253
8237A
8255A
4164/4564N
74LS138
74S08
74LS02
74LS04
74LS00
4564N-20
74LS158
74LS138
74LS20
74LS138
74LS74
RN3
4116
RN4
74LS158
74LS125
74S00
74S7