单选题Which of the following configuration is valid for expansion drawers on a Power 750 with 2 processor board sinstalled?（）A 3 PCI-e I/O drawers and 1 PCI-X I/O drawerB 4 PCI-e I/O drawers and 4 RIO-2 I/O drawersC 2 PCI-e I/O drawers and 4 PCI-x I/O drawer
题目
单选题
Which of the following configuration is valid for expansion drawers on a Power 750 with 2 processor board sinstalled?（）
A
3 PCI-e I/O drawers and 1 PCI-X I/O drawer
B
4 PCI-e I/O drawers and 4 RIO-2 I/O drawers
C
2 PCI-e I/O drawers and 4 PCI-x I/O drawers
D
4 PCI-e I/O drawers and 2 PCI-X I/O drawers