765 Floppy disk controller. +--------------+ RST |1 +--+ 40| VCC /RD |2 39| /RW SEEK /WR |3 38| LCT DIR /CE |4 37| FR STEP D/S A0 |5 36| HDL D0 |6 35| RDY D1 |7 34| WP TS D2 |8 33| FLT TR00 D3 |9 32| PS0 D4 |10 765 31| PS1 D5 |11 FDC 30| WDA D6 |12 29| US0 D7 |13 28| US1 DRQ |14 27| HD /DACK |15 26| MFM TC |16 25| WE IDX |17 24| VCO SYNC INT |18 23| RDD CLK |19 22| RDW GND |20 21| WCLK +--------------+ [This information is part of the GIICM]