The-- buffers = n and-- auto-buffers options control how much memory less may use to buffer inputs.
2.
The contents of memory include 20 cold-storage channels of 128 sectors ( words ) each, a hot-storage channel of 128 sectors, four rapid access loops ( U, F, E, H ) of 1, 4, 8, and 16 words respectively, four 1-word arithmetic loops ( A, L, H, I ), and a two 4-word input buffer input loops ( V, R ).