Control Panel Connector
  | Pin | Signal  | Pin  | Signal  | 
  | 
  | 
  | 
  | 
  | 
1  | GND  | 9  | Fan failure  | |
2  | Hard disk activity  | 10  | Chassis intrusion  | |
3  | Reset system  | 11  | Power fault condition  | |
4  | Toggle system power  | 12  | 5 V standby  | |
5  | VCC  | 13  | ||
6  | Spare  | 14  | GND  | |
7  | NMI to CPU  | 15  | ||
8  | VCC  | 16  | GND  | |
  | 
  | 
  | 
  | |
Diskette Drive Port | 
  | 
  | ||
Pin | Signal  | Pin  | Signal  | 
  | 
  | 
  | 
  | 
1  | GND  | 18  | FD_DIR_L  | 
2  | FD_DENSEL  | 19  | GND  | 
3  | GND  | 20  | FD_STEP_L  | 
4  | n/c  | 21  | GND  | 
5  | Key  | 22  | FD_WDATA_L  | 
6  | FD_DRATE0  | 23  | GND  | 
7  | GND  | 24  | FD_WGATE_L  | 
8  | FD_INDEX_L  | 25  | GND  | 
9  | GND  | 26  | FD_TRK0_L  | 
10  | FD_MTR0_L  | 27  | FD_MSEN0  | 
11  | GND  | 28  | FD_WPROT_L  | 
12  | FD_DR1_L  | 29  | GND  | 
13  | GND  | 30  | FD_RDATA_L  | 
14  | FD_DR0_L  | 31  | GND  | 
15  | GND  | 32  | FD_HDSEL_L  | 
16  | FD_MTR1_L  | 33  | GND  | 
17  | FD_MSEN1  | 34  | FD_DSKCHG_L  | 
  | 
  | 
  | 
  | 
M440LX Server System Product Guide | 189 |