IBM HS21 - BladeCenter - 8853 Product Manual - page 13
Workhorse 2-socket dual and quad-core Intel Xeon blade server
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13.
BladeCenter HS21 Specifications
Maximum internal 2.5" HDD capacity
Standard
293.6GB (2 x 146.8GB) fixed SAS (using
SFF card or no expansion card);
146.8GB (1 x 146.8GB) fixed SAS (using
legacy expansion card)
Using a Storage and I/O Expansion
Unit
734GB (5 x 146.8GB)—two fixed SAS in
the base blade, plus
three hot-swap SAS
in the expansion unit
2.5-inch HDD capacities supported
36.4, 73.4,
146.8GB — 10K RPMs;
73.4GB — 15K RPMs
2.5-inch solid-state drives supported
2 x 15.8GB or 31.4GB
# of HDDs standard
None
# of optical drives standard
None (one standard in chassis)
# of diskette drives standard
None (one standard in BladeCenter E or BladeCenter H chassis)
Internal tape drives supported
None (SAN-attached)
Disk drive technology
SAS
Integrated disk controller
LSI Logic 53C1046E
(standard in HS21)
ServeRAID-8k-l (using a Storage and
I/O Expansion Unit)
Optional RAID controller
None
ServeRAID-8k (using a Storage and I/O
Expansion Unit)
RAID levels supported
RAID-0/1 (standard)
RAID-0/1/1E (ServeRAID-8k-l);
RAID-0/1/1E/
5 (ServeRAID-8k)
# of disk drives supported per channel
4 (four drive limit, due to available bays)
External disk drive support
NAS/SAN-attach
# of adapter slots standard
1 legacy PCI-X slot, plus 1 PCIe or a second PCI-X slot on the blade
# of PCIe slots
1 (in place of second PCI-X slot);
1 PCIe slot available with the optional Storage and I/O Expansion Unit (1 total)
# of PCI-X slots
1 or 2 (in place of PCIe slot);
2 extra via optional PCI Expansion Unit II (3 total);
1 or 2 extra via optional Storage and I/O Expansion Unit (3 total)
# of legacy PCI slots
None
# of video ports
None (chassis-attached)
Video controller
ATI Radeon ES1000
Video memory
16MB SDRAM
Maximum video resolution at 32-bit
color
1024 x 768 x 32-bit color at 85Hz
Gigabit Ethernet controllers
Dual Broadcom BCM5708S (standard)—
TOE-enabled
Dual Broadcom BCM5714S (in the
Memory and I/O Expansion Unit)—not
TOE enabled
# of Gigabit Ethernet ports
2 (standard)
4 when using the Memory and I/O
Expansion Unit. Up to 8 when using the
2-Port Ethernet Expansion Card.
# of RS485 ports
None
# of serial ports
None (1 direct via BladeCenter H chassis, or Serial over LAN in BladeCenter E and
BladeCenter H)
# of parallel ports
None
# of mouse ports
None (1 via chassis)
# of keyboard ports
None (1 via chassis)