
Table 4. MAX5 expansion module features and operating specifications (continued)
Acoustical noise emissions: For maximum system configurations (32 DIMMs installed)
vSound power (idling): 6.2 bels
vSound power (operating): 6.2 bels
vSound pressure (idling): 48 dBA
vSound pressure (operating): 48 dBA
Size:
vHeight: 4.4 cm (1.73 in.)
vDepth: 72.4 cm (28.5 in.)
vWidth: 48.3 cm (19.0 in.)
vWeight: approximately 12.8 kg (28.2 lb) for a standard unit; when fully configured, 15.4 kg (33.9 lb)
Fans:
vFive
Environment: | Heat output |
vAir temperature:
– Enclosure on: 10° to 35°C (50° to Approximate heat:
|
| 95°F); altitude: 0 to 914.4 m | v Minimum configuration: 314 Btu | ||
|
| (3000 ft). Decreased system | per hour (92 watts) | ||
|
| temperature by 0.75° for every | v Maximum configuration 2048 Btu | ||
|
| 1000 ft. increase in altitude. | per hour (600 watts) | ||
| – Enclosure off: 5° to 45°C (41° to | Electrical input: | |||
|
| 113`°F) | |||
|
| v | |||
| – | Shipment: | |||
|
| to 140°F | required | ||
v |
| v Input voltage low range: | |||
Humidity: | |||||
– | Minimum: 90 V ac | ||||
| – | Enclosure on: 20% to 80%; | |||
| – | Maximum: 136 V ac | |||
|
| maximum dew point: 21°C | |||
|
| v Input voltage high range: | |||
|
| (70°F) | |||
| – Enclosure off: 8% to 80%; | – | Minimum: 198 V ac | ||
| – | Maximum: 264 V ac | |||
|
| maximum dew point: 27°C | |||
|
| v Approximate input | |||
|
| (80°F) | |||
| – | Shipment: 5% to 100% | |||
v | – | Minimum: 0.1 kVA | |||
Particulate contamination: | |||||
– | Maximum: 0.6 kVA | ||||
|
|
|
Attention: Airborne particulates and reactive gases acting alone or in combination with other environmental factors such as humidity or temperature might pose a risk to the server. For information about the limits for particulates and gases, see “Particulate contamination” on page 123.
What the memory expansion module offers
The memory expansion module provides several features for easy operation, including the following features:
vReplaceable components
The major replaceable components in the memory expansion module are dual inline memory modules (DIMMs), fans, and power supplies. See “Memory expansion module components” on page 81 for the components that the expansion module supports.
24IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Installation and User's Guide