Supero SUPERSERVER 2026T-6RF+, User Manual

Page: 61 / 126

Chapter 5: Advanced Serverboard Setup
5-11
Possible System Memory Allocation & Availability
System Device Size Physical Memory Remaining
(4 GB Total System
Memory)
Firmware Hub fl ash memory (System BIOS) 1 MB 3.99
Local APIC 4 KB 3.99
Area Reserved for the chipset 2 MB 3.99
I/O APIC (4 Kbytes) 4 KB 3.99
PCI Enumeration Area 1 256 MB 3.76
PCI Express (256 MB) 256 MB 3.51
PCI Enumeration Area 2 (if needed) -Aligned on 256-MB boundary- 512 MB 3.01
VGA Memory 16 MB 2.85
TSEG 1 MB 2.84
Memory available to System BIOS & OS applications 2.84
•
1.35V DIMMs
1.35V RDIMM Population with 5600 Processors Installed
DIMM
Slots per
Channel DIMMs
Populated
per Channel DIMM Type
(Reg.=Registered) Speeds (in MHz) Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
3 1 Reg. DDR3 ECC 800,1066,1333 SR or DR
3 1 Reg. DDR3 ECC 800 (Note 1) QR
3 2 Reg. DDR3 ECC 800,1066 (Note 2) Mixing SR, DR
3 2 Reg. DDR3 ECC 800 (Note 3) Mixing SR, DR, QR
3 3 Not Available Not Available Not Available
Note 1:
1333/1066 MHz QR RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 2:
1333 MHz SR/DR RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 3:
1333/1066 MHz SR/DR/QR RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 4:
MIxing of 1.35V and 1.5V DIMMs is not recommended.
1.35V UDIMM Population with 5600 Processors Installed
DIMM
Slots per
Channel DIMMs
Populated
per Channel DIMM Type (Unb.=
Unbuffered) Speeds (in MHz) Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
3 1 Unb. DDR3 ECC 800,1066,1333 SR or DR
3 2 Unb. DDR3 ECC 800,1066 Mixing SR, DR
3 3 Not Available Not Available Not Available
Note 1:
1333 MHz for two DIMMs per channel is supported when Unbuf./ECC DIMMs are used.
Note 2:
MIxing of 1.35V and 1.5V DIMMs is not recommended.