System |
Location |
Part |
Type |
Notes? |
Description |
|
U1 |
74LS245 |
Chip |
|
Bus transiciever, octal |
|
U100 |
74C00 |
Chip |
|
Quad 2-input NOR |
|
U101 |
74LS08 |
Chip |
|
Quad 2-input AND |
|
U102 |
74LS10 |
Chip |
|
Triple 3-input AND |
|
U103 |
74LS00 |
Chip |
|
Quad 2-input NAND |
|
U104 |
74LS157 |
Chip |
|
Multiplexer Quad 2-input |
|
U105 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U106 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U107 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U108 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U109 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U110 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U18 |
68A45 |
Chip |
|
CRT Controller |
|
U19 |
74LS86 |
Chip |
|
Quad 2 input XOR |
|
U2 |
74LS245 |
Chip |
|
Bus transiciever, octal |
|
U20 |
74LS86 |
Chip |
|
Quad 2 input XOR |
|
U21 |
74LS157 |
Chip |
|
Multiplexer Quad 2-input |
|
U22 |
74LS157 |
Chip |
|
Multiplexer Quad 2-input |
|
U23 |
74LS161 |
Chip |
|
Counter, 4 bit presetable |
|
U24 |
74LS04 |
Chip |
|
Inverter, Hex |
|
U25 |
74LS374 |
Chip |
|
Latch, octal shockey |
|
U3 |
2114 |
Chip |
|
RAM 1k x 4 NMOS static |
|
U34 |
74LS374 |
Chip |
|
Latch, octal |
|
U35 |
74LS153 |
Chip |
|
Multiplexer, dual 4-input |
|
U36 |
74LS74 |
Chip |
|
Flip flow dual D |
|
U37 |
74LS08 |
Chip |
|
Quad, 2-input AND |
|
U38 |
74LS113 |
Chip |
|
Flip flip JK Schottky |
|
U39 |
74LS04 |
Chip |
|
Inverter, hex |
|
U4 |
2114 |
Chip |
|
RAM 1k x 4 NMOS static |
|
U40 |
7417 |
Chip |
|
Buffer/driver hex |
|
U49 |
74LS32 |
Chip |
|
Quad 2-input OR |
|
U5 |
74LS157 |
Chip |
|
Multiplexer quad, 2-input |
|
U50 |
74LS86 |
Chip |
|
Quad 2-input XOR |
|
U51 |
74LS86 |
Chip |
|
Quad 2-input XOR |
|
U52 |
74LS153 |
Chip |
|
Multiplexer, dual 4-input |
|
U53 |
74LS153 |
Chip |
|
Multiplexer, dual 4-input |
|
U54 |
74LS153 |
Chip |
|
Multiplexer, dual 4-input |
|
U55 |
74LS157 |
Chip |
|
Multiplexer, quad 2-input |
|
U56 |
2148 |
Chip |
|
RAM 1K x 4 HMOS static |
|
U57 |
2148 |
Chip |
|
RAM 1K x 4 HMOS static |
|
U58 |
7417 |
Chip |
|
Buffer/driver hex |
|
U6 |
74LS157 |
Chip |
|
Multiplexer quad, 2-input |
|
U67 |
74LS32 |
Chip |
|
Quad 2-input OR |
|
U68 |
74LS244 |
Chip |
|
Octal buffer |
|
U69 |
74LS245 |
Chip |
|
Bus transiever |
|
U7 |
74LS74 |
Chip |
|
Flip flop, dual D |
|
U70 |
74LS374 |
Chip |
|
Latch, octal |
|
U71 |
74LS374 |
Chip |
|
Latch, octal |
|
U72 |
74LS374 |
Chip |
|
Latch, octal |
|
U73 |
74LS157 |
Chip |
|
Multiplexer quad 2-input |
|
U74 |
74LS157 |
Chip |
|
Multiplexer quad 2-input |
|
U75 |
74LS245 |
Chip |
|
Bus transciever, octal |
|
U76 |
74LS273 |
Chip |
|
Register 8 bit |
|
U77 |
74LS373 |
Chip |
|
Latch, octal |
|
U78 |
74LS373 |
Chip |
|
Latch, octal |
|
U79 |
74LS373 |
Chip |
|
Latch, octal |
|
U8 |
74LS32 |
Chip |
|
Quad 2 input OR |
|
U80 |
74LS373 |
Chip |
|
Latch, octal |
|
U81 |
74LS157 |
Chip |
|
Multiplexer quad 2-input |
|
U82 |
68A09E |
Chip |
|
CPU |
|
U83 |
74LS244 |
Chip |
|
Octal buffer |
|
U84 |
74LS244 |
Chip |
|
Octal buffer |
|
U85 |
6514 |
Chip |
|
RAM 1k x 4 CMOS static |
|
U86 |
6514 |
Chip |
|
RAM 1k x 4 CMOS static |
|
U87 |
74LS139 |
Chip |
|
Decoder dual 1 of 4 |
|
U88 |
74LS32 |
Chip |
|
Quad 2-input OR |
|
U89 |
74LS74 |
Chip |
|
Flip flop, dual D |
|
U9 |
74LS32 |
Chip |
|
Quad 2 input OR |
|
U90 |
74LS04 |
Chip |
|
Inverter, hex |
|
U91 |
74LS374 |
Chip |
|
Latch, octal |
|
U92 |
74LS374 |
Chip |
|
Latch, octal |
|
U93 |
74LS374 |
Chip |
|
Latch, octal |
|
U94 |
74LS374 |
Chip |
|
Latch, octal |
|
U95 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U96 |
74LS299 |
Chip |
|
Shift register 8 bit |
|
U97 |
74LS244 |
Chip |
|
Buffer, octal |
|
U98 |
74LS244 |
Chip |
|
Buffer, octal |
|
U99 |
74LS138 |
Chip |
|
Decoder 1 of 8 |
PF RAM |
U10 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U11 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U12 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U13 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U14 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U15 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U16 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U17 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U26 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U27 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U28 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U29 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U30 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U31 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U32 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U33 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U41 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U42 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U43 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U44 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U45 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U46 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U47 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U48 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U59 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U60 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U61 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U62 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U63 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U64 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U65 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |
PF RAM |
U66 |
4116 |
Chip |
|
RAM 16k x 1 dynamic |