*tltr, but nice* "Burning down the house" That #KneisnerM100 is really hot. And old, the power supply is labeled "Tested 14th July 1977!
Long story short: The CPU and memory card were not plugged in. Plugged it, powered on, boom and the smell of burned parts. As you see in pic: 10uF 25V are in heaven, replaced both ones. Second try, switched on - nothing spectacular is happening. But 7812, the bottom most, became very, very hot. Shortage of the capacitor right of it, also replaced it.
What can I say, the machine is doing things now. Address bits are flashing and ***Harddisk*** starts up. But not anymore, I suspect that you have to set the correct address in order to get a menu from the ROM via the terminal if necessary. So my daily plan was more than fulfilled! And have to correct myself, it runs with an Intel 8080 cpu. Not with Z80 as I thought, because of the Sharp MZ80 as later competitor.
#RetroComputing #Altair8800Clone #Intel8080
Long story short: The CPU and memory card were not plugged in. Plugged it, powered on, boom and the smell of burned parts. As you see in pic: 10uF 25V are in heaven, replaced both ones. Second try, switched on - nothing spectacular is happening. But 7812, the bottom most, became very, very hot. Shortage of the capacitor right of it, also replaced it.
What can I say, the machine is doing things now. Address bits are flashing and ***Harddisk*** starts up. But not anymore, I suspect that you have to set the correct address in order to get a menu from the ROM via the terminal if necessary. So my daily plan was more than fulfilled! And have to correct myself, it runs with an Intel 8080 cpu. Not with Z80 as I thought, because of the Sharp MZ80 as later competitor.
#RetroComputing #Altair8800Clone #Intel8080




