Digital Equipment DECstation 5000/100 Series, Maintenance Manual

Page: 136 / 392

How to remove and install an ESAR chip
Caution:
Always follow antistatic procedures when handling the
electronic components.
To remove an ESAR chip,
1.
Turn off the system unit power and remove the system unit
cover.
2.
Remove the TURBOchannel module in slot 1, if one is
installed.
3.
Locate the ESAR chip.
4.
Gently pry the ESAR chip loose taking care not to bend
the chip pins. A chip extraction tool is recommended for
removing chips.
To install an ESAR chip,
1.
Position the chip as shown in Figure 5-4. The notched end
of the chip must face the back of the system unit. Make
sure that each pin is over a hole in the ESAR chip socket.
2.
Press the chip pins into the ESAR socket. Be careful not to
bend the pins.
5–8 Base System FRUs