Siemens PC 670 manual Processor Upgrade, Upgrading the processor

Maintaining and Extending the Computing Unit Release 04/02

4.10Processor Upgrade

You can boost the performance capability of your computing unit by installing other processors. Proceed as follows to replace the processor (the numbers in brackets relate to Figure 4-21):

1.Disconnect the fan cable connector from the motherboard.

2.Remove the heat sink, secured by a metal bar.

3.Press the lever in the direction of the arrow (1) and pivot it up as far as possible (2).

4.Lift the old processor from the slot (3).

5.Insert the new processor in the slot ensuring that the marking on the top side of the processor coincides with the position of the marking (4) on Slot A.

Caution

The marking on the top side of the processor may be covered by the heat sink. In such cases, align the processor with the marking in the row of pins at the bottom of the processor.

6.Pivot the lever back down until it locks into place (5).

7.Disassemble the unit fan.

8.Secure the heat sink with the metal bar.

9.Connect the fan cable connector back on the motherboard. 10.Assemble the unit fan.

Caution

If the processor is driven with a frequency higher than permitted, it may be destroyed or cause loss of data or loss of data integrity.

3	2	4	5
1
			A

Figure 4-21 Upgrading the processor

4-26 Panel PC 670 Computing Unit, Equipment Manual