| Feature |
Altos R920 |
Altos R910 |
Note |
| Processor dual core support |
Yes |
Yes |
|
| Processor quad core support |
Yes |
NO |
|
| Hyper-Threading Technology |
NO |
Yes |
|
| Front Side Bus Speed |
1066 Mhz |
667/800 MHz |
|
| # of Front Side Bus |
4 (DHSI) |
2 (DIB) |
|
| Memory Support |
FBDIMM 667 |
DDRII 400 |
|
| Memory Sparing |
Yes |
Yes |
|
| Memory Mirroring |
Yes |
Yes |
|
| Memory RAID |
NO |
Yes |
|
| Hot-Plug Memory |
NO |
Yes |
|
| PCI-X slots No |
No |
2 x PCI 64-bit 1 x PCI 64-bit (hot-plug) |
|
| PCI-Express slots |
2 x PCI-E x8 (hot-plug) 2 x PCI-E x 8 3 x PCI-E x 4 |
1 x PCI-E x8 (hot-plug) 3 x PCI-E x4 (hot-plug) |
|
| Maximum # of SAS HDD |
8 (2.5 inch) |
5 (3.5 inch) |
|
| Hot-swap SAS back-plane |
Yes |
Yes |
|
| Hot-swap SCSI back-plane |
NO |
Yes |
|
| Onboard gigabit |
2 x gigabit |
2 x gigabit |
1 |
| Manageability |
IPMI 2.0 |
IPMI 2.0 |
|
| ASM (Acer Server Manager) |
ASM 8.0 |
ASM 7.1 |
|
| Power Supply |
220 volt / 110 volt |
220 volt only |
|
| NOTE 1. Support additional two Gigabit ports with I/O Expansion module |
|