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"Casio VZ-10M digital synth, with manual, sysex format book,
Casio VZ-1 & VZ-10M setup guide and Menu Table card.
Same architecture as PG series of MIDI guitars, so can be used to program sounds for these.
Also have Ram card listed for VZ10M [bottom pic not included in the VZ-10M listing], please
see my other listings.

The VZ-10m is a sixteen voice, multitimbral digital synthesizer rack (2U) with velocity/aftertouch. It sounds similar to Yamaha FM based synths, but offers 8 oscillators per voice (with many routing options), 8 waveforms and 8 stage envelopes per oscillator. Patch memory contains 64 user locations and supports RAM/ROM cards. Performance features include LFO and portamento.
Key Features
1. Aftertouch: Modifies pitch, LFO (depth and rate), amplitude EG levels and portamento rate or time

2. Architecture Class: phase
3. Audio IO: Headphones 2 mono, 1 mix phone and XLR mix outputs
4. Audio Source: Waveforms available for each oscillator are sine, 5x saw, white or pink noise.
5. Communication Interface: MIDI In, Out, Thru
6. Effects: None
7. EG: Dedicated, 8 stage EG's (with polarity) modify each oscillator's pitch and amplitude
8. Expansion: Patch card
9. Filter: N/A
10. Form Factor: 2U rack
11. Key Scaling: Modifies portamento time, EG levels and rates (6 points)
12. LFO: Both the vibrato LFO and tremelo LFO waveforms include up saw, down saw, square and triangle

13. Memory: None
14. Multitimbral: 4
15. Pedal Inputs: None
16. Performance Control: Portamento
17. Polyphony: 16 or 4
18. Power: AC (IEC C13 to NEMA 5-15P)
19. Released: 1988 1988
20. Sequencer: No
21. Signal Class: digital
22. Velocity: Switches patches and modify EG levels and rates (8 curves)"