A-100 Basic System 1 has 23 modules:
# 2x Standard VCO A-110
# 2x ADSR A-140
# 2 x LFO A-145
# 1x Ring Modulator A-114
# 1 x Audio Divider A-115
# 1 x VC Waveform Processor A-116
# 1 x Noise/Random A-118
# 1 x VCF1 A-120 (24dB low pass 1)
# 1 x VCF2 A-121 (12dB multimode filter)
# 1 x linear VCA A-130
# 1 x logarithmic VCA A-131
# 1 x linear Mixer A-138a
# 1 x logarithmic Mixer A-138b
# 1 x Dual S&H A-148
# 1 x Dual VC Switch A-150
# 1 x Trigger Divider A-160
# 1 x Trigger Sequencer A-161
# 1 x Dual Trigger Delay A-162
# 1 x Dual Slew Limiter A-170
# 1 x Multiple I A-180
Some more demos on youtube: