Replacing the System Board
10-7
014–002091
3.
Gently
push on onesideand then theother sideto seat thePROM component in
thesocket.
4.
Verify that the CPU configuration jumpers are correct for your system.
Figure 10Ć10 shows the location of these jumpers, and valid configurations. If
necessary, move the jumpers on your replacement system board to reflect the
correct number of processors and cache/memory modules in your system.
CPU Configuration jumpers
System board
Single CPU, Two CMMUs
Indicates jumper
installed
Indicates jumper
removed
CPU complex connector
Dual CPUs, Four CMMUs
CPU Configuration jumpers
System board
Single CPU, Two CMMUs
Dual CPUs,
Twelve
CMMUs
Indicates jumper
installed
Indicates jumper
removed
CPU complex connector
Dual CPUs,
Four
CMMUs
Single CPU, Six CMMUs
Figure 10-10 Specifying the CPU Configuration on the System Board
NOTE:
Incorrectly configured system and CPU complex boards will cause your
system to fail powerup.
Two CPU complex boards within a single computer unit must both
contain either two CMMUs or six; AV530 and 4600 series systems
do not
support
combinations of 2- and 6-CMMU CPU complex boards.
Summary of Contents for AViiON 4600 Series
Page 1: ... Customer Documentation P R O D U C T L I N E ...
Page 2: ......
Page 6: ......
Page 14: ...Preface xii 014 002091 ...
Page 24: ...Contents xxii 014 002091 ...
Page 58: ...Setting Up Your Computer System 2 18 014 002091 ...
Page 84: ...Setting Up and Installing a SCSI Bus 4 16 014 002091 ...
Page 122: ...Expanding and Maintaining Your Computer System 6 18 014 002091 ...
Page 148: ...Adding or Replacing Memory Modules 8 8 014 002091 ...
Page 182: ...Replacing the System Board 10 12 014 002091 ...
Page 188: ...Replacing the Fan Assembly 11 6 014 002091 ...
Page 236: ...Using the System Control Monitor B 22 014 002091 ...
Page 248: ...Solving Power Up Problems C 12 014 002091 ...
Page 260: ...Index 12 014 002091 ...
Page 262: ......
Page 266: ...Appendix Title 093 xxxxxx 2 Licensed Material Property of Data General Corporation ...