Environmental Specification  Operating  Non-Operating  Storage  Shipping 
Notes:  
1.    When an IBM-approved vapor bag and desiccant packets are used to protect the system, storage specifications 
are valid for 6 months and shipping specifications are valid for 1 month. Otherwise, storage and shipping 
specifications are valid for two weeks each. 
2.    The upper limit of the dry bulb temperature must be derated 1 degree C per 219 m (719 ft.) above 1295 m (4250 
ft.). Maximum altitude for is 3048 m (10,000 ft.)
 
  
Weight Distribution 
The following table shows dimensions and weights used to calculate floor loading for the Eserver pSeries 
655. All floor-loading calculations are specified for a raised-floor environment.
 
 
1 Frame with Slimline Covers  1 Frame with Acoustical Covers 
Weight without IBF  1501 kg (3303 lbs.)  1521 kg (3345 lbs.) 
Weight with IBF  1642 kg (3612 lbs.)  1661 kg (3655 lbs.) 
Width  750 mm (29.5 in.)  750 mm (29.5 in.) 
Depth  1275 mm (50.2 in.)  1275 mm (50.2 in.) 
Note:  These values may be used to calculate floor loading. Contact your installation planning representative for 
more information about calculating floor loading for your system. 
  
The following table shows floor-loading specifications for systems with slimline covers. 
 
Floor Loading for Systems with Slimline Covers 
Condition
5 on 
page 99
 
a (sides)
mm (in.) 
b (front)
mm (in.) 
c (back
mm (in.) 
Without IBF 
kg/m
2 
(lb./ft.
2
) 
With IBF
kg/m
2 
(lb./ft.
2
) 
1  25 (1.0)  254(10.0)  254(10.0)  1123.2 (230.0)  1221.8 (250.2) 
2  25 (1.0)  508 (20.0)  508 (20.0)  901.2 (184.6)  977.9 (200.3) 
3  25 (1.0)  762 (30.0)  762 (30.0)  759.8 (155.6)  822.6 (168.5) 
4  254 (10.0)  254 (10.0)  254 (10.0)  759.2 (155.5)  821.9 (168.3) 
5  254 (10.0)  508 (20.0)  508 (20.0)  617.9 (126.6)  666.7 (136.5) 
6  254 (10.0)  762 (30.0)  762 (30.0)  527.9 (108.1)  567.9 (116.3) 
7  508 (20.0)  254 (10.0)  254 (10.0)  575.8 (117.9)  620.5 (127.1) 
8  508 (20.0)  508 (20.0)  508 (20.0)  475.2 (97.3)  510.0 (104.4) 
9  508 (20.0)  762 (30.0)  762 (30.0)  411.1 (84.2)  439.6 (90.0) 
10  762 (30.0)  254 (10.0)  254 (10.0)  474.4 (97.2)  509.1 (104.3) 
11  762 (30.0)  508 (20.0)  508 (20.0)  396.3 (81.2)  423.3 (86.7) 
12  762 (30.0)  762 (30.0)  762 (30.0)  346.5 (71.0)  368.6 (75.5) 
 
 
98  Site and Hardware Planning Information