ProLiant DL360 Server Technology

T
ECHNOLOGY
B
RIEF
(cont.) Compaq ProLiant DL 360 Server Technology
13
TC000601TB
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The ServerSet III chip set uses low-latency PC133 registered error checking and correcting
SDRAM (3.3V, 133 MHz).
2
Integrated voltage regulators provide the required voltages for both
processors and chip set. The PCI/memory controller (north bridge) supports up to four double-
sided DIMMs for a maximum system memory capacity of 4 GB (using 1-GB DIMMS). The server
ships standard with a single 128-MB SDRAM module in one of four DIMM sockets. Memory can
be upgraded one slot at a time, and the DIMMs do not have to be identical in capacity.
64-bit, 133-MHz GTL+ system bus: 1.06 GB/s
CPU CPU
32-bit, 33-MHz PCI bus
133-MHz
ServerSet III
PCI/Memory Controller
< 4 GB
PC133 SDRAM
Memory
64-bit, 33-MHz
PCI bus
ROC
ASM
PCI-to-ISA
Controller
Super
I/O
Floppy/CD-ROM
Serial Port
Keyboard/Mouse
ATI
Rage IIc
32-bit PCI
Riser Card
SCSI Port
Hard Disk Drive
64-bit PCI
Riser Card
NIC 1
NIC 2
Hard Disk Drive
Figure 6. Block diagram of ProLiant DL360 server
I/O Subsystem
The ProLiant DL360 server is fully compliant with PCI Specification 2.2. The ServerSet III chip
set supports dual-peer PCI buses: one 64-bit, 33-MHz PCI bus and one 32-bit, 33-MHz PCI bus.
One PCI slot is implemented on each bus. If installed, the optional Compaq Remote Insight Board-
Lights Out Edition card must reside in the 32-bit PCI slot, since it needs to intercept video traffic,
and all embedded functions reside on the 32-bit PCI bus.
The ProLiant DL360 server can support two 1-inch LVDS SCSI hot-plug hard drives in Compaq
drive carriers. An integrated dual-channel, Wide Ultra2 RAID-on-a-Chip (ROC) array controller
provides low-cost drive mirroring capability. The ROC supports an 8-MB read cache but no write
cache.
For customers desiring a Smart Array/SCSI controller with write cache for internal storage,
Compaq provides an internal cable to bypass the ROC array controller. Via a connector on a 64-bit
PCI SCSI adapter card and an edge connector on the system board, this cable connects the array
controller through the SCSI bus and the SCSI backplane to the internal hard drives. When the cable
is plugged into a 64-bit PCI SCSI adapter card and into the system board, it automatically opens a
switch connecting the ROC to the SCSI bus, thereby bypassing the ROC and making the Compaq
2
In ProLiant DL 360 servers with a single 550-MHz processor, the PC133 memory will run at 100 MHz, not at 133 MHz.
SDRAM: synchronous
dynamic random access
memory