KU-14194HB

  • PCB ASSY NO. KU-14194HB

  • Schematic Number #251022

  • Revision number on rear of PCB

  • Released 1982/1983

  • 5-pin board (CN5-Video port has 5 pins)

  • PAL only board

  • Was the first C64 board with separate Y/C video signals

Components’ placement

PCB identifier

IC number

IC type

Memory location/bit

U1

6526

CIA 1

$DC00-$DCFF

U2

6526

CIA 2

$DD00-$DDFF

U3

901226

BASIC ROM

$A000-$BFFF

U4

2364

KERNAL ROM

$E000-$FFFF

U5

2332

CHARACTER ROM

$D000-$DFFF

U6

2114

SRAM 1K x 4

$D800-$DBFF

U7

6510

CPU

N/A

U8

7406

Logic NOT (Hex Inverter)

N/A

U9

4164

DRAM 64K x 1

D1

U10

4164

DRAM 64K x 1

D3

U11

4164

DRAM 64K x 1

D5

U12

4164

DRAM 64K x 1

D7

U13

74LS257

Multiplexor

N/A

U14

74LS258

Multiplexor

N/A

U15

74LS139

Demultiplexor

N/A

U16

4066

Quad Bilateral Switch

N/A

U17

82S100/906114-01

PLA

N/A

U18

6581

SID

$D400-$D7FF

U19

6567 (NTSC)/6569 (PAL)

VIC-II

$D000-$D3FF

U20

LM556

Dual Timer

N/A

U21

4164

DRAM 64K x 1

D0

U22

4164

DRAM 64K x 1

D2

U23

4164

DRAM 64K x 1

D4

U24

4164

DRAM 64K x 1

D6

U25

74LS257

Multiplexor

U26

74LS373

8 bit 3-state Latch

U27

74LS08

Logic AND

U28

4066

Quad Bilateral Switch

U29

74LS74

Dual D-type flip-flop

U30

74LS193

Binary Counter

U31

74LS629

Oscillator

U32

MC4044

Logic (Phase Detector)