4-6
Computer Group Literature Center Web Site
Functional Description
4
keyboard to access BIOS Setup to correct the settings. The supported baud
rates are 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200 bps.
Real-Time Clock and Nonvolatile Memory
The real time clock is built into the 6300 ESB ICH. It is supported by a 256
byte battery backed RAM.
Watchdog Timer (SIO Chip)
The 6300 ESB ICH provides a two-stage watchdog timer with independent
count values for each stage. The first stage generates an INT or SMI. The
second stage drives an external pin active until it is cleared by system reset
or a power cycle. It is configurable for granularity from 1us to 10 min.
Table 4-2. Serial Port Characteristics
Serial Port
Connector Type
Base
Address
Interrupt Address
COM1
RJ45 on CPIP5430
3F8h
IRQ4
COM2
RJ45 on RTM
2F8h
IRQ3