IBM 3301690, User Manual

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3301690 CPU Card
2.10 Serial Ports
The 3301690 CPU Board has two high-speed UART serial ports, configured as COM1
and COM2. The serial ports have the following specifications.
„
16C550 UART with 16-byte FIFO buffer
„
115.2Kbps transmission rate
2.11 Real Time Clock
256-byte battery backed CMOS RAM
2.12 System Monitoring
The 3301690 CPU board is capable of self-monitoring various aspects of its operating
status including:
„
CPU, chipset, and battery voltage, +3.3V, +5V, and +12V
„
RPM of cooling fans
„
CPU and board temperatures (by the corresponding embedded sensors)
2.13 Infrared Data Association (IrDA) Interface
The 3301690 CPU Board IrDA supports the following interfaces.
„
Serial Infrared (SIR)
„
Shift Keyed Infrared (ASKIR)
If you want to use the IrDA port, you have to configure SIR or ASKIR model in the BIOS
under Peripheral Setup COM2. Then the normal RS-232 COM 2 will be disabled.
2.14 USB Interfaces
The 3301690 CPU Board has seven USB interfaces, six internal and one external. The
USB interfaces support USB2.0. The six internal USB interfaces require USB adapter kits.
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