Specaial version 1.29_s1 of I-7188EG, Dec.17,2003: 1. Add one I/O complex equipment - "Bus7000A". Please install it to your ISaGRAF (PC). 2. Please update the OS image & driver (isa7188e.exe) to your I-7188EG. 3. The I-7188EG's COM1 & COM2 can connect to the same group of I-7000 & 87K remote I/O modules if using "Bus7000A". Only one of the COM1 or COM2 is active and it takes the control right of these remote I/Os at run time. If the active COMM is dead, the other one takes the control right to keep these remote I/Os working well. Specaial version 1.34_s1 of I-7188EG, Aug.26,2004: 1.The Version to try every scan to get a reading from the I/O module. Specaial version 1.40_s1 of I-7188EG, Aug.20,2004: 1.The Version to try every scan to get a reading from the I/O module.