IBM Power 750 Express Hardware Announcement page 39

• Processor cards (#8332, #8334, #8335, and #8336) may not be mixed in the
system.
• All processors must be activated.
– The 6-core 3.3 GHz processor card (#8335) requires that six processor
activation codes be ordered. A maximum of six processor activation code
features (6 x #7717, or 3 x #7717 and 3 x #2327) are allowed per processor
card.
– The 8-core 3.0 GHz processor card (#8334) requires that eight processor
activation codes be ordered. A maximum of eight processor activation code
features (8 x #7714, or 4 x #7714 and 4 x #2324) are allowed per processor
card.
– The 8-core 3.55 GHz processor card (#8336) requires that eight processor
activation codes be ordered. A maximum of eight processor activation code
features (8 x #7716, or 4 x #7716 and 4 x #2326) are allowed per processor
card. Thirty-two processor activations are required.
– The 8-core 3.3 GHz processor card (#8332) requires that eight processor
activation codes be ordered. A maximum of eight processor activation code
features (8 x #7715, or 4 x #7715 and 4 x #2325) are allowed per processor
card.
Power supply
• The base machine contains two ac (#7740) power supplies.
Redundant fans
• Redundant fans standard
Power cords
Two power cords are required.
The Power 750 requires 200-240 V for all configurations.
System memory
• A minimum 8 GB or two DIMMs of memory is required on the Power 750 system.
• Eight memory DIMM slots are on a processor card. The maximum system memory
with one processor card is 128 GB. The maximum system memory is 512 GB with
four processor cards.
• Different system memory feature numbers may not be mixed on the same
processor card. However, a system with more than one processor card may used
different memory feature numbers on the same system.
• Memory must be installed in groups of one feature (two DIMMs), two features
(four DIMMs), or four features (eight DIMMs) per processor card. Installation of
three features (six DIMMs) is not permitted.
• It is generally recommended that memory be installed evenly across all processor
cards in the system. Balancing memory across the installed processor cards allows
memory access in a consistent manner and typically results in the best possible
performance for your configuration. However, balancing memory fairly evenly
across multiple processor cards, compared to balancing memory exactly evenly
typically has a very small performance difference.
Plans for future memory upgrades should be taken into account when deciding which
memory feature size to use at the time of initial system order.
Figure 1. Memory features
Feature
8 GB 1066 MHz
(2 x 4 GB RDIMMs)
IBM United States Hardware Announcement
110-009
Feature Minimum
number quantity
4526 0
IBM is a registered trademark of International Business Machines Corporation
Maximum
quantity
16
39