Features And Specifications - IBM 8685 - eServer xSeries 255 User Manual

Features and specifications

The following table provides a summary of the features and specifications for your
server.
Table 1. Features and specifications
Microprocessor:
® ™
v Intel Xeon MP
v 1 MB or 512 KB level-3 cache
depending upon model
v 400 MHz front-side bus (FSB)
v Support for up to four
microprocessors with Intel
Hyper-Threading technology and
™
Intel NetBurst microarchitecture
Memory:
v Maximum: 12 GB
v Type: ECC, double-data rate (DDR),
SDRAM, registered DIMMs
v Slots: two-way or four-way
interleaved, 12 slots
v Hot Spare memory
Drives standard:
v Diskette: 1.44 MB
v CD-ROM: IDE
Available expansion bays:
v Hot-swap:
– Six slim-high in upper drive cage
– Six slim-high in lower drive cage
with optional SCSI backplane
installed
v Non-hot-swap: Two 5.25-inch
Expansion slots:
v Six hot-plug PCI-X 100 MHz/64-bit
v One non-hot-plug PCI 33 MHz/32-bit
Hot-swap power supplies:
370 W (115-230 V ac)
v Minimum: Two
v Maximum: Four for redundancy
Redundant cooling:
Nine hot-swap fans
1. Racks are marked in vertical increments of 1.75 inches each. Each increment is referred to as a unit, or "U." A 1-U-high device is
1.75 inches tall.
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Video:
v ATI RageXL video controller
v Compatible with SVGA and VGA
v 8 MB video memory
Size (tower model):
v Height: 356 mm (14.0 in.)
v Depth: 700 mm (27.6 in.)
v Width: 483 mm (19 in.)
v Weight: 47 kg (104 lb) to 55 kg (121.2
lb) depending upon configuration
Size (7 U) (rack model):
v Height: 311 mm (12.3 in.)
v Depth: 650 mm (25.6 in.)
v Width: 440 mm (17.3 in.)
v Weight: 47 kg (104 lb) to 55 kg (121.2
lb) depending upon configuration
Integrated functions:
v Dual-channel Ultra160 SCSI controller
(one internal and one external channel)
®
v Wake on LAN support
v One Broadcom 10/100/1000 Mbps
Ethernet controller
v One serial port
v Four Universal Serial Bus ports
v Keyboard port
v Mouse port
v Video port
v Integrated system management
processor (ISMP) with two ISMP
(RS-485) RJ-45 connectors
Acoustical noise emissions:
v Sound power, idle: 6.3 bel maximum
v Sound power, operating: 6.3 bel
maximum
v Bystander (1 m) Sound pressure,
operating: 47 dBa maximum
v Bystander (1 m) Sound pressure, idle:
47 dBa maximum
Environment:
v Air temperature:
– Server on: 10° to 35°C (50° to 95°F).
Altitude: 0 to 914 m (3000 ft).
– Server on: 10° to 32°C (50° to 89.6°F).
Altitude: 914 m (3000 ft) to 2133 m
(7000 ft).
– Server off: 10° to 43°C (50° to 110°F).
Maximum altitude: 2133 m (7000 ft).
v Humidity:
– Server on: 8% to 80%
– Server off: 8% to 80%
Heat output:
Approximate heat output in British thermal
units (Btu) per hour:
v Minimum configuration: 461 Btu (0.14
kilowatts)
v Maximum configuration: 3412 Btu (1.0
kilowatts)
Electrical input:
v Sine-wave input (50-60 Hz) required
v Input voltage low range:
– Minimum: 100 V ac
– Maximum: 127 V ac
v Input voltage high range:
– Minimum: 200 V ac
– Maximum: 240 V ac
v Input kilovolt-amperes (kVA) approximately:
– Minimum: 0.08 kVA
– Maximum: 1.07 kVA
Chapter 1. Introducing the xSeries 255 Type 8685 server
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