System Board Switches - HP PROLIANT 8500 Troubleshooting Manual

Section 2

SYSTEM BOARD SWITCHES:

I/O CONFIGURATION SWITCH (SW1)
Table 1 – 3:
SW1 Processor Board Configuration Switch
Switch Function
S1 On-board Video Disable
S2 Configuration Lock
S3 Rack Mount Configuration
S4 Disable Floppy Boot
S5 Boot Password Disable
S6 Clear Configuration Contents
Located on I/O board in front of PCI slots 10 and 11.
PROCESSOR CORE / BUS FREQUENCY RATIO SWITCH (SW1 AND SW2)
Located on Processor board on the left side of the memory board connector.
Table 1 - 3
Switch
1 2 3
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
1 1 1
1 1 1
0 = Closed
1 = Open
Default is all switches "off". In this state the ROM interrogates the installed processors and
determines the nominal Bus / Core Ratio the system will operate.
Bus / Core
4 Ratio
0 1 / 2
1 1 / 6
0 1 / 4
1 1 / 8
0 1 / 3
1 1 / 7
0 1 / 5
1 Res.
0 2 / 5
1 2 / 13
0 2 / 9
1 2 / 3
0 2 / 7
1 2 / 15
0 2 / 11
1 1 / 2
Default
OFF
OFF
OFF
OFF
OFF
OFF
3