Bypass Modes; Data Flow In Bypass Mode - Compaq AlphaServer GS80 User Manual

8.3.1

Bypass Modes

For modem connection, you can set the operating mode so that data
and control signals partially or completely bypass the SCM. The bypass
modes are snoop, soft bypass, and firm bypass.
Figure 8–3 Data Flow in Bypass Mode
System
SRM Console
Operating System
SCM Modem
Port (Remote)
Modem
8-8 AlphaServer GS80/160/320 User's Guide
DUART
COM1
COM1 Port
UART
Bypass
Modem Port
UART
Modem
SCMnn>
Remote System
Management Console
QBBs (PSMs)
PCI Boxes (PBMs)
H-Switch (HPM)
CSB
SCM
Processor
UART
SCM Port
(Local)
SCMnn>
Local System
Management Console
PK-0627A-99