HP Integrity BL860c Dokumentacja Strona 16
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Figure 2 SAS Disk Drive Slots
For the location of the SAS disk LEDs, see Figure 5.
SAS Backplane
The SAS disk backplane supports two small form factor (SFF) hard disk drives. The backplane
supports hot-plugging a single SAS drive at a time. The activity LEDs and drive present LEDs shall
be controlled by a preprogrammed system-on-chip (PSOC). The system board hosts the SAS
controller, and supplies 12 V, 5 V, and 3.3 V standby power to the backplane. The backplane is
designed as a field-replaceable unit (FRU).
The SAS backplane is connected to the system board with a right angle connector. This connector
is specifically designed for high-speed differential applications, and supports server speeds
exceeding 5 Gigabits per second. Power, Sense, and I
2
C signals are routed through this connector
as well as the SAS differential pairs and SGPIO signals.
I/O Subsystem
The I/O subsystem is composed of embedded core I/O, and up to three mezzanine cards. The
server blade supports one Type I and two Type II mezzanine cards (with PCI express links that
serves as a bridge between the zx2 ropes links and PCIe). The server blade does not support PCI
Hot Plug (PHP).
Memory controllers are used as the ropes to the PCI bridge for the system board fast and slow
core I/O. The server blade uses two memory controllers to interface with the Core LAN and SAS.
The memory controllers run at 33 MHz and interface with the manageability, USB, and graphics
through the serial, USB, and video (SUV) cable. The serial, USB, and video are provided through
the PCI devices attached to logical rope 0.
PCIe MPS Optimization
For PCIe-based systems, each PCIe device has a configurable maximum payload size (MPS)
parameter. Larger MPS values can enable the optimization to gain higher performance. MPS
Optimization is supported on PCIe systems running HP-UX, Open VMS, and Linux. System firmware
level greater than 01.01 performs an optimization during boot time to set the MPS value to the
largest size supported by the PCIe root port and the devices below it.
The default server state is optimization disabled. When disabled, system firmware sets MPS to the
minimum value on each PCIe device.
The info io command displays the current PCIe MPS optimization setting. See Table 31 (page 153).
16 Overview
- Service Guide 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Contents 9 9
- About This Document 10
- Typographic Conventions 11
- Related Documents 12
- Contacting HP 12
- HP Contact Information 13
- Subscription Service 13
- Documentation Feedback 13
- 1 Overview 14
- SAS Disk Drives 15
- SAS Backplane 16
- I/O Subsystem 16
- Memory Subsystem 17
- Add-On Memory 18
- Controls, Ports, and LEDs 19
- Front Panel View 20
- SAS Disk Drive LEDs 21
- Controls and Ports 22
- Rear Panel View 23
- 24 Overview 24
- Safety Information 26
- Verify Site Preparation 27
- Unpack the Server Blade 27
- Check the Inventory 27
- Damaged Equipment Returns 27
- Removing the Access Panel 29
- Installing DIMMs 32
- Installing Mezzanine Cards 33
- Replacing the Access Panel 37
- Server Power States 39
- Powering On the Server Blade 40
- Configuring the iLO 2 MP 44
- Configuring the iLO 2 MP 45 45
- Remote Access Allowed 47
- Remote Access Not Allowed 48
- LAN / NIC Configuration 51
- DRVCFG Utility 53
- Configuration Utility Screens 54
- DRVCFG Utility Screens 54
- Manage Hot Spare 60
- CFGGEN Utility 61
- Starting CFGGEN 62
- CFGGEN Operation 62
- CFGGEN Utility Commands 62
- Adding the HP-UX Boot Option 70
- HP-UX Standard Boot 71
- fs1:, and so on 72
- Shutting Down HP-UX 74
- Booting OpenVMS 76
- Shutting Down OpenVMS 77
- initiate the Linux loader 83
- so on) that are known 84
- 5 Troubleshooting 86
- Troubleshooting Tools 91
- Locator LED 92
- Server Health LED 92
- Internal Health LED 93
- NIC LEDs 93
- LAN LEDs 94
- Boot Process LEDs 94
- Diagnostics 95
- Online Diagnostics/Exercisers 95
- Offline Support Tools List 96
- General Diagnostic Tools 97
- Fault Management Overview 97
- HP-UX Fault Management 97
- Errors and Error Logs 98
- System Event Log Review 99
- Display Mode Configuration: 100
- H - Hex mode 100
- T - Text mode 100
- Supported Configurations 101
- Troubleshooting Processors 102
- Troubleshooting Blade Memory 103
- Troubleshooting Blade SBA 103
- Enclosure Information 104
- Cooling Subsystem 104
- Firmware 105
- Reporting Your Problems to HP 106
- Online Support 107
- Phone Support 107
- Service Tools Required 108
- Replacing a SAS Disk Drive 109
- Powering Off the Server Blade 110
- Removing and Replacing DIMMs 114
- DIMM Configuration 115
- Replacing a DIMM 115
- Removing a Processor 116
- Installing a Processor 117
- Removing the SAS Backplane 119
- Installing the SAS Backplane 120
- Removing the Server Battery 122
- Replacing the Server Battery 123
- Removing a Mezzanine Card 123
- Replacing a Mezzanine Card 124
- Removing a Cache Module 125
- Replacing the Cache Module 126
- (BBWC) Battery 130
- Replacing the BBWC Battery 132
- Removing the TPM 140
- Replacing the TPM 141
- Removing the System Board 142
- Replacing the System Board 144
- A Parts Information 146
- Table 29 CRU List (continued) 147
- B Server Upgrades 148
- Processor Upgrades 149 149
- C Utilities 150
- Extensible Firmware Interface 151
- EFI Commands 152
- Table 31 EFI Commands 153
- EFI/POSSE Commands 154
- EFI/POSSE Commands 155 155
- Example 2 help Command 156
- Example 3 help bch Command 156
- Parameters 157
- Operation 157
- Example 14 info all Command 162
- EFI/POSSE Commands 163 163
- Example 15 info cpu Command 164
- Example 16 info mem Command 164
- Example 17 info io Command 164
- 167
- Specifying Parameters 169
- 170 Utilities 170
- Specifying Parameters 171 171
- 172 Utilities 172
- Specifying Parameters 173 173
- EFI Shell Paths 174
- Add a Boot Option 175
- Delete Boot Option(s) 175
- Change Boot Order 175
- Manage BootNext Setting 176
- Set Auto Boot TimeOut 176
- Choose:To select: 177
- 178 Utilities 178
- Security/Password Menu 179
- Resetting Passwords 179
- 180 Index 180
- 182 Index 182
- 184 Index 184
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