Shows how to identify problems, recover lost data, improve performance, install upgrades, reconfigure PC's, and perform preventive maintenanceTo system board Hi-send + 5V Crystal 3-31 IBM PC keyboard. The matrix is divided into rows and columns. The rows are held in the high state by +5 V through a pull-up resistor. The columns use inverter amplifiers to couple the outputs to theanbsp;...
|Title||:||Troubleshooting and Repairing PCs|
|Author||:||Michael F. Hordeski|
|Publisher||:||TAB/Electronics - 1997-01-01|