Specifications
xiv
Figure 38. Fan Location .................................................................................................................................................... 93
Figure 39. S4R Fan Module .............................................................................................................................................. 93
Figure 40. Fan Module Functional Block Diagram ........................................................................................................... 94
Figure 41. Main Board Mount Structure & Strengthened CPU Heat-sink ........................................................................ 95
Figure 42. Chassis Mid-brace ........................................................................................................................................... 95
Figure 43. Strengthened CPU installation on Main Board ................................................................................................ 96
Figure 44. Peripheral Area ................................................................................................................................................ 96
Figure 45. Hard Drive Carrier ........................................................................................................................................... 97
Figure 46. Optical Drive .................................................................................................................................................... 97
Figure 47. 5 1/4-inch half-height drive .............................................................................................................................. 98
Figure 48. S4R Interconnect Block Diagram .................................................................................................................... 99
Figure 49. COM Serial Port Connector ........................................................................................................................... 102
Figure 50. VGA Video Connector ................................................................................................................................... 102
Figure 51. Dual Stacked USB Connector on Rear Panel ............................................................................................... 102
Figure 52. 850W High Efficiency Power Supply Unit Drawing ....................................................................................... 104
Figure 53. Power Supply Indicators ................................................................................................................................ 108
Figure 54. Power Distribution Board Connectors ........................................................................................................... 109
Figure 55. Power Supply Numbering on the PDB .......................................................................................................... 110
Figure 56. PDB Functional Block Diagram ..................................................................................................................... 111
Figure 57. Cold Redundancy Circuit Block Diagram ...................................................................................................... 117
Figure 58. Power Sub-system Efficiency in Cold Redundant Operation ........................................................................ 118
Figure 60. Front Panel Fan Board Component Locations .............................................................................................. 120
Figure 61. Operator Panel Controls and Indicators ........................................................................................................ 124
Figure 62. Memory Topology .......................................................................................................................................... 134
Figure 63. QSSC-S4R System Memory Topology ......................................................................................................... 137
Figure 64. QSSC-S4R Memory DIMM Topology and DIMM Population Order ............................................................. 137
Figure 65. Minimum DDR-3 DIMM Population ............................................................................................................... 139
Figure 66. Population with Non-identical DDR3 DIMMs ................................................................................................. 140
Figure 67. Minimal Population for Intra Socket Mirroring ............................................................................................... 140
Figure 68. Minimal Optimal Population Upgrade for RAS Modes .................................................................................. 141
Figure 69. Incorrect population for mirroring and sparing .............................................................................................. 141
Figure 70. Lock step mode Example .............................................................................................................................. 143
Figure 71. Intra-Socket Mirroring .................................................................................................................................... 145
Figure 72. Inter-Socket Mirroring .................................................................................................................................... 146
Figure 73. Hemisphere Example .................................................................................................................................... 147
Figure 74. Mirroring in Hemisphere Mode ...................................................................................................................... 148
Figure 75. Memory Hot-Add Flow ................................................................................................................................... 149
Figure 76. Memory Hot-Remove Flow ............................................................................................................................ 150
Figure 77. PCIE hotplug flow chart ................................................................................................................................. 171
Figure 78. Setup Utility — Main Screen Display ............................................................................................................. 179
Figure 79. Setup Utility — Advanced Screen ................................................................................................................. 181
Figure 80. Setup Utility — Processor Configuration Screen .......................................................................................... 182
Figure 81. Setup Utility — Memory Configuration Screen .............................................................................................. 185
Figure 82. Setup Utility — Configure Memory RAS and Performance Screen .............................................................. 186
Figure 83. Setup Utility — Memory Riser Board Information Screens ........................................................................... 187