Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Sun Enterprise[tm] 420R Server: Hardware Specifications

Processor
Number From one to four processor modules
Architecture 450-MHz UltraSPARC[tm]-II module
Cache memory 16-KB I-cache, 16-KB D-cache per processor

4-MB external cache per processor

Datapath

UPA operates at 112.5-MHz with 450-MHz processor

Main Memory
Capacities 16 DIMM module slots; four banks of four slots

Accepts 64- or 256-MB DIMMs

256-MB to 4 GB total memory capacity

Memory type 144-pin 5V 60-ns memory modules
Datapath 576 bits wide; 512 bits data, 64 bits ECC

Up to 1.78-GB/sec throughput

Standard Interfaces
Ethernet One ethernet/fast ethernet (10BASE-T/100BASE-T) twisted-pair standard connector (RJ-45), self-sensing
Keyboard and mouse One standard keyboard/mouse port (mini DIN-8)
Parallel One Centronics compatible parallel port (DB25); ECP mode capable
PCI

Four full-size slots compliant with PCI specification version 2.1:

  • One slot operating at 33- or 66-MHz, 32- or 64-bit data bus width, 3.3 volt
  • Two slots operating at 33 MHz, 32- or 64-bit data bus width, 5 volt
  • One slot operating at 33 MHz, 32-bit data bus width, 5 volt
SCSI One 40MB/sec, 68-pin ,Ultra SCSI (SCSI-3), 2 channels (synchronous)
Serial Two RS-232C/RS423 serial ports (DB25)
Internal Mass Storage
Disks Up to two 9.1-, 18.2-, or 36.4-GB disk
CD-ROM/DVD-ROM

SunCD 32x 644-MB SCSI CD-ROM (standard; last order November 2000)

10X DVD-ROM (standard)

Tape Optional 12 to 24-GB DDS2 4-mm or 14-GB 8-mm
Power Supplies
Type One or two N+1 redundant, hot swap universal input (one supply standard), individual power cords
Output 380 W
Power Bus Common, load-sharing
Environment
AC Input 100 - 240 VAC, 47 - 63 Hz, 6.3 A(max)
Input Power 610 W
Heat Output 2080 BTU/hr
Temperature1 Operating: 5° C to 35° C (41° F to 95° F)
Nonoperating: -20° C to 60°° C (-4° F to 140° F)
Humidity Operating: 20% to 80% relative humidity, noncondensing
Nonoperating: 5% to 93% relative humidity, noncondensing
Altitude Operating: 3000 m (10,000 ft.)
Nonoperating: 12,000 m (40,000 ft.)
Vibration Operating: 0.2G peak, 5 - 500 Hz (swept sine)
0.0002 G2/Hz, 5 - 500 Hz (random)
vertical axis only (castered configuration), vertical and horizontal axes (foot glide configuration)
Nonoperating: 1 G peak, 5 - 500 Hz (swept sine)
0.002 G2/Hz, 5 - 500 Hz (random)
3 perpendicular axes
Shock Operating: 4G peak, 11 milliseconds half-sine pulse
Nonoperating: 15G peak, 11 milliseconds half-sine pulse
Number of Cords 1 per power supply; 2 (max)
1 The front and rear doors of the cabinet must be 63% open for adequate air flow.
Regulations
Meets or exceeds the following requirements:
Safety UL 1950, UL Canada C22.2 No. 950, TUV EN60950, UL CB Scheme to IEC 950 with full deviations
RFI/EMI FCC Class A, DOC Class B, VCCI Class B, EN55022 Class B
Immunity EN50082-1
X-ray DHHS 21 Subchapter J; PTB German X-ray Decree
Dimensions and Weights
Height 17.8 cm (7.0 in.)
43.8 cm (17.25 in.) shipping
Width 43.8 cm (17.25 in.)
60.02 cm (23.63 in.) shipping
Depth 69.2 cm (27.25 in.)
93.98 cm (37.0 in.) shipping
Weight 32.0 kg (71 lb.)
38.6 kg (85 lb.) shipping
Power cord 1.99 m (6.56 ft.)
Clearance and Service Access
Front1 91.4 cm (36 in.)
Rear1 91.4 cm (36 in.)
Right1 91.4 cm (36 in.)
Left1 91.4 cm (36 in.)
Top1 91.4 cm (36 in.)
Airflow
1These specifications refer to a sytem that is fully extended from the rack for service. When in normal operation, there are no side clearance requirements for the server as the air flow is from the front to rear. However, make sure that any front or back cabinet doors are 63% open to allow adequate airflow. This can be accomplished by removing the doors, or ensuring that the doors have a perforated pattern that provides a 63% open area.
Rack Mounting
Fits into a standard commercial 19-inch wide, 36-inch deep rack

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