2-14
Power Supplies
W ly unit is installed and system operates with three power supply units, the server can continue
it
W
d
it
If
"p cates that the power supply is
in redu
If
b
P
hen an additional power supp
s operation without interruption even if one of these power supply units fails (in the redundant configuration).
hen one more additional power supply unit is installed and system operates with four power supply units, AC power can be
ivided into two lines with a pair of power supply units. With the AC power redundant configuration, the server can continue
s operation without power interruption even if either of AC power line fails.
an additional power supply unit is installed while the system is operating with two power supply units, a log that represents
ower degrade" along with "power recovery" may be recorded in the system event log. This indi
ndant configuration but not in maximum configuration.
you disconnect the power cord immediately after you have connected it, the log indicating "power recovery" is displayed,
ut "power degrade" may not be displayed.
eripheral Bays
If u purchased the server with the Hot-swap HDD Cage 3 Hard Drives with Media Bay, one slot for backup device such as a
magnetic tape drive is provided.
H rives with Media Bay is a factory-installed option. You cannot purchase it separately.
A
T
Setting of SCSI ID
When connecting the 3.5-inch device with the SCSI connector (Ch-B) on IO board, set the SCSI ID 0 through 6.
3.5-inch device with the optional SCSI controller, refer to the manual that comes with the SCSI
controller.
"OFF".
Memory M
yo
ot-swap HDD Cage 3 Hard D
vailable Devices
he 3.5-inch device slot can contain a single-height SCSI device.
When connecting the
– Setting of terminator
Set the terminator to
irroring / Memory RAID Feature
Memory Mi ure
The memory ory board as spare memory in standby state. If the current memory board
encounters an uncor ature switches to the standby memory board. When this feature is
used, the current me y board should be combined. Available combinations are:
Mirroring with memory boards 1 and 2
y boards 3 and 4
To enable the memory mirroring feature, the combined memory boards must have the DIMM of same capacities.
T emory boards installed.
rroring Feat
mirroring feature places a mem
rectable error, the memory mirroring fe
mory board and the standby memor
Mirroring with a pair of memory boards 1 and 2 and a pair of memor
he table below shows combinations of m
Memory board 1 Memory board 2 Memory board 3 Memory board 4
A 2 GB (1 GB*2) 2 GB (1GB*2) 2 GB (1 GB*2) 2 GB (1 GB*2)
B 8 GB (2 GB*4) 8 GB (2 GB*4) 8 GB (2 GB*4) 8 GB (2 GB*4)
C 4 GB (1 GB*4) 4 GB (1 GB*4) – –
Memo y
If o
bo
D
The table b
r RAID Feature
ne of the four memory boards encounters an uncorrectable error, the memory RAID feature switches to the other memory
ard to continue operation. To use this feature, four memory boards must be installed. Each memory board must have the
IMM of same capacities.
elow shows combinations of memory boards installed.
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