Dip Switch Settings (Reference Only) - HP Visualize J2240 Service Handbook

DIP Switch Settings (Reference Only)

Before placing the CPU assembly back in the sytem, ensure that the following DIP
switches are set correctly. Use Figure 5–23 to locate these switches.
D
Switch S2 Sets the SCSI host adapter address (always set to 7).
1
2
3
4
D
Switch S3 Controls the configuration modes of the main clock generation
circuit.
1
2
3
4
D
Switch S4 See separate functions.
1
2
3
4
For model J200, make sure that the 50 MHz crystal oscillator, part number
1813–1018, is installed in location UT20.
For models J210, make sure that the 60 MHz crystal oscillator, part number
1813–1017, is installed in location UT20.
For models J280 and J282, make sure that the 45 MHz crystal oscillator, part number
1813–1167, is installed in location UT20.
5–28 Field Replaceable Units
always ON
always OFF
always OFF
always OFF
J200/210 J280/282
normally OFF normally OFF
normally OFF normally ON
normally OFF normally ON
normally OFF normally ON
normally OFF Oscillator selector. When ON, selects
the second UV20 oscillator that's mainly used for lab work
or debugging.
normally OFF Thermal shutdown override. When ON,
prevents the power supply from automatically shutting
down the system when the power supply temperature
exceeds 45 C.
Unused
Unused