Service manual

1-60 AlphaServer GS80/160/320 Service Manual
1.14.2 System Drawer Local I/O Riser Module
The GS80 drawer local I/O riser module provides two I/O port
interfaces to the QBB and two connections for I/O cables connected to
the PCI I/O subsystem through remote I/O riser modules. The module
cannot be removed while other parts of the system remain operational.
Figure 1– 26 System Drawer Local I/O Riser Module Block Diagram