I have a P3 Aeopen Motherboard model "MX36LE" with 733MGHZ processor and 8GBHDD installed WIN 98. It hapened that my computer shutdown when running in a normal mode. The thing is when i tried to switch on after the first shutdown, it displayed the error "cmos checksum error-default leaded" and then onother error massage "No 80 channel IDE/ATA cable installed" I tried second time and it loaded windows perfectly but after a long run it shutdown again and this time i wasn't able to boot up at all. I tried many times but it doesn't work.Everything is connected to the motherboard pafectly including all cables and cards also cmos battery is a new one. Any help with this i will i be very very apriciate to get out of this mess please help me i am starck!!!