IBM Netfinity 5100 8658 21Y, Manual

Page: 68 / 246

2
1
1
Boot block jumper (J37)
2
System board switch block (SW1)
System board switch block
The switch block contains microswitches 1-8. As pictured
in this illustration, switch 8 is at the top of the switch block
and switch 1 is at the bottom.
The following table describes the function for each switch.
Table 7. Switches 1-8
Switch
number
Switch
description
1 Microprocessor speed setting (requires switches
1-4). See Table 8 on page 59 for specific settings.
2 Microprocessor speed setting (requires switches
1-4). See Table 8 on page 59 for specific settings.
3 Microprocessor speed setting (requires switches
1-4). See Table 8 on page 59 for specific settings.
4 Microprocessor speed setting (requires switches
1-4). SeeTable 8 on page 59 for specific settings.
5 Power-on override. The default setting is Off
(disabled).
When On, overrides the power-on switch and
forces power-on mode. The system will always
boot without the use of the power-on switch.
58
: Netfinity 5100 Type 8658 Models 11Y, 21Y, 31Y,
41Y, 51Y, 1RY, 2RY, 3RY, 4RY, 5RY