|Note 1||At power on of the computer, and whilst idle, the 8087 draws about 1 W. [source: my measurement]
When the 8087 is being used (a program is using it), the 8087 draws up to about 3 W. [source: 8087 datasheet]
|Note 2||A cable from the CRT unit plugs into the 4-pin Berg connector, accessing the composite video signal, but not the +12 volts.
|Note 3||IBM 5155s were fitted with the later version of the adapter, and that version does not use minus 5 volts.
Click here to view the difference between the early and later adapters.