System Board Components; Figure 1-4. System Block Diagram - HP Integrity rx2620 User's & Service Manual

Introduction

System Board Components

System Board Components
This section provides a block diagram of the system board and descriptions of key components (integrated
circuits) on the board. Figure 1-4 shows a block diagram of the rx2620 server.
Figure 1-4 System Block Diagram
Itanium-2
IPF
267MHz
200MHz
PCI-X Interface
PCI-X 133 "Slot1"
PCI-X 133 "Slot2"
PCI-X 133 "Slot3"
PCI-X 133 "Slot4"
VGA
Optional
PCI 33/32
VGA
iLO MP
Battery•
RMC/GSP
SRAM
DRAM
Flash
etc...
LAN100BT
Management Processor
The following describes the main components of the system board:
• "Processor Sockets" on page 23
• "Processor Bus" on page 23
• "ZX1 I/O and Memory Controller" on page 23
• "Memory" on page 23
• "I/O Bus Interface" on page 25
• "Processor Dependent Hardware Controller" on page 26
22
Itanium-2
IPF
ASIC
Bus
Interface
8.5GB/S Peak Data BandWidth
6.4GB/S Peak Data BandWidth
ASIC
ROPE 4
Bus
ROPE 5
Interface
ASIC
ROPE 3
Bus
Interface
ASIC
ROPE 2
Bus
Interface
ASIC
ROPE 6
Bus
Interface
ROPE 7
ROPE 0
ASIC
ASIC Bus
Bus Interface
Interface
UPS
IDE
Console
Modem
DVD RW
Slim
Line
Industry Standard DDR1 DIMM
DIMM
DIMM
DIMM
DIMM
DIMM
MEMORY
DIMM
DIMM
DIMM
DIMM
DIMM
DIMM
133 MHz bus clock
267 MT/s data rate
8.5GB/s peak data bandwidth
DMD ASIC
PDH Bus
Bus
Interface
FPGA LPC
LPC + ACPI
Bus
267MHz 8b data
533MB/s Peak Data
Bandwidth per rope
BMC SRAM 512KB
(on battery, scratch RAM•
+NVM+ FPL •
forward progress log)
BMC FLASH 1MB
ROPE 1
PCI 33/32
SCSI ID 2
HDD #3
USB
To AGP
Riser
2.0
HDD #2
SCSI ID 1
Keyboard
Mouse
HDD #1
SCSI ID 0
SCSI BACKPLANE
FMW/PDC
Flash
8 MB
16MB
FMW SRAM
(on battery, scratch
RAM + NVM)
512KB
RTC
COM1
DUART
COM2
BMC
LED STATUS PANEL
Manageability
Controller
I2C
LOCATOR
etc...
DIAG LEDs
BMC
bus
ASIC
I2C, etc...
Bus
Interface
LAN
LAN
10/100/ 10/100/
1000
1G
Channel B
SCSI SCSI
Channel A
U320 U320
External
external
(SE-LVDS SCA-2 80pin)
System/BMC
Console
& Serial Port
Serial Port
OS Enabled
ON-OFF
LAN
Activity
PCI-X 133
FLASH
FLASH
(se-lvds 68p)
(SE-LVDS 68p)
Chapter 1