We do not have a manual for the S1100. The S1000 is similar enough that you can get some good information from that manual.
Year Released: 1990
Standard Sample Memory: 2 MB
Max Sample Memory: 32 MB
Bit Depth: 16-bit
Polyphony: 16 notes
Screen: 40x8 Characters (640x240 dots)
This is a 3-space rack unit.
Sample Rates: 44.1 KHz or 22.05 KHz
Sample Memories: 200
Program Memories: 100
Enveloper Generators: 2 ADSR
Filter: Digital LPF (-18dB/octave)
Inputs: XLR (balanced) x 2, 1/4-inch x 2
Outputs: 1/4-inch (unbalanced) x 2
MIDI: In x 1, Out x 1, Thru x 1