Sun SPARC Enterprise 250

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Sun SPARC Enterprise 250

Sun SPARC Enterprise 250 Overview



Up to two processor modules
250-, 300- or 400-MHz UltraSPARC[tm]-II with onboard e-cache
Cache memory
1-MB external cache per processor with 250-MHz CPU
2-MB external cache per processor with 300- or 400-MHz CPU
Buffered 144-bit UPA bus, 128 bits data, 16 bits ECC
UPA operates at 100-MHz with 300- or 400-MHz CPUs

Main Memory

16 DIMM slots, four banks of four slots
Accepts 32-, 64-, or 128-MB DIMMs
128 MB to 2 GB total memory capacity
Memory type
144-pin 5V 60-ns memory modules
576 bits wide, 512 bits data, 64 bits ECC
Up to 600 MB/sec throughput

Standard Interfaces

One ethernet/fast ethernet (10BASE-T/100BASE-T) twisted-pair standard connector (RJ-45) or one MII for external transceiver connection, autoselect port
Keyboard and mouse
One standard keyboard/mouse port (mini DIN-8)
One Centronics compatible, bidirectional, EPP port (DB25)
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
Three slots operating at 33 MHz, 32- or 64-bit data bus width, 5 volt
One RSC port (The highest level firmware for the Enterprise 250 RSC card is version 1.1.4, but the Enterprise 250 does support all currently released versions of the RSC software)
One 40MB/sec, 68-pin ,Ultra SCSI (SCSI-3), 2 channels (synchronous)
Two RS-232D/RS423 serial ports (DB25)

Internal Mass Storage

Up to six 18-GB 3.5 x 1.6 in., 36-GB 3.5 x 1.0 in., 10000 rpm, hot-pluggable Ultra SCSI-3 drives (4.2-GB and 9.1-GB 7200 also configured)
Disk bays: Six hot-pluggable disk bays Disk controllers: One 40-MB/sec Ultra SCSI-3 channel
Internal SunCD 32 (standard; last order = Nov. 2000)
Internal 10X DVD-ROM drive (standard)
1.44-MB 3.5-in. floppy drive
Optional 5.25 x 1.6 in. fast SCSI tape drive, 8-mm, 4-mm DDS-3, DDS-2, MLR3, SLR5

Power Supplies

One or two N+1 redundant, hot-swap, universal input (1 supply standard)
360 W
Power bus
Common, load-sharing


AC input
100 - 240 VAC, 47 - 63 Hz, 2.8 A(max)
Input power
343 W
Heat output
1170 BTU/hr
Operating: 5° C to 35° C (41° F to 95° F)
Nonoperating: -20° C to 60° C (-4° F to 140° F)
Operating: 20% to 80% relative humidity, noncondensing
Nonoperating: 5% to 93% relative humidity, noncondensing
Operating: 3000 m (10,000 ft.)
Nonoperating: 12,000 m (40,000 ft.)
Acoustic noise
Operating: 6.5 bels
Idling: 6.3 bels
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: 1G peak, 5 - 500 Hz (swept sine) 0.002 G2/Hz, 5 - 500 Hz (random), 3 perpendicular axes
Operating: 4G peak, 11 milliseconds half-sine pulse Nonoperating: 15G peak, 11 milliseconds half-sine pulse
Number of cords
The front and rear doors of the cabinet must be 63% open for adequate air flow.


Meets or exceeds the following requirements:
EN60950/IEC950 TUV, UL 1950, CB Scheme IEC 950, C22.2 No. 950 from UL
EN55022/CISPR22 Class B, VCCI Class II FCC Part 15 Sub Part B
EN50082/IEC-1000-2/IEC-1000-3, IEC-1000-4, IEC-1000-5
DHHS 21 Subchapter J, PTB German X-ray Decree

Dimensions and Weights

46.0 cm (18.1 in.) or 51.7 cm (20.4 in.) with caster option
90.8 cm (35.75 in.) shipping
26.2 cm (10.3 in.)
45.72 cm (18.0 in.) shipping
68.8 cm (27.1 in.), power supply handles add 3.1 cm (1.2 in.)
86.36 cm (34.0 in.) shipping
53 kg (118 lb.)
58.97 kg (130 lb.) shipping
Power cord
2.5 m (8.2 ft.)

Clearance and Service Access

91.4 cm (36 in.)
91.4 cm (36 in.)
91.4 cm (36 in.)
91.4 cm (36 in.)
91.4 cm (36 in.)
*These 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

Up to four Sun Enterprise 250 servers may be mounted in a 56-in. expansion cabinet. Up to five Enterprise 250 servers may be mounted in a 72-in. expansion cabinet.


Express Computer Systems state-of-the-art engineering lab and certified technicians will make sure that your Sun SPARC Enterprise 250 is tested rigorously and in perfect working condition. To back it up, we carry a 100% Satisfaction Guarantee on all of our used and refurbished gear, in addition to one of the industries best warranties.

Shipping Policy

We stock all of our products. Items are fully tested and professionally packaged to ensure functionality on arrival.

The Sun SPARC Enterprise 250 will ship the same day if the order is received with sufficient testing and packaging time.

*Alaska and Hawaii customers, please contact us for a shipping quote.

Shipping Methods

We ship via Fedex. Next Day and expedited shipping services are available. Please contact us for a quote to upgrade shipping.

We can also ship via UPS or FedEx on your account number. Other freight and carrier services are available, please contact us at to make arrangements.

Pickup & Delivery

Local customers may also arrange for pickup or delivery of items.

Net Terms

Approved Educational, Government, and Corporate customers may submit a purchase order to purchase the Sun SPARC Enterprise 250.

Please contact us and we will FAX or Email you a credit application.

Finance & Leasing Options

We have solutions to help you finance your purchase. Please contact us at to learn more about our finance and leasing options.

Credit Card

To pay via credit card, please call us at (800) 327-0730


FAX your card type, card number, expiration date, name as it appears on the card, complete billing address including apartment number, zip code and phone number to us at (800) 327-0730.

Wire Transfer

International buyers must pay via Wire Transfer.

Please email us at to purchase this product with a wire transfer.


Business and Personal Checks must clear prior to shipment.