Intel SE7221BA1 Product Specification - Page 24

I/O Controller, Hardware Management Subsystem - e front panel

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Functional Architecture Intel® Entry Server Board SE7221BA1-E TPS When the computer is plugged in, the standby current from the power supply extends the life of the battery. The clock is accurate to ± 13 minutes/year at 25 ºC with 3.3 VSB applied. 3.4 I/O Controller The I/O controller provides the following features: • One serial port • One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems • PS/2-style mouse and keyboard interfaces • Interface for one 1.44 MB or 2.88 MB diskette drive • Intelligent power management, including a programmable wake-up event interface • PCI Conventional bus power management support The BIOS Setup program provides configuration options for the I/O controller. 3.4.1 Serial Port The Intel® Entry Server Board SE7221BA1-E has one serial port connector located on the back panel, and a serial port B header on the board. The serial ports support data transfers at speeds up to 115.2 Kbs/sec with BIOS support. 3.4.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS Setup program to set the parallel port mode. 3.4.3 Diskette Drive Controller The I/O controller supports one diskette drive. Use the BIOS Setup program to configure the diskette drive interface. 3.4.4 Keyboard and Mouse Interface PS/2 keyboard and mouse connectors are located on the back panel. 3.5 Hardware Management Subsystem The hardware management features enable the Intel® Entry Server Board SE7221BA1-E to be compatible with the Wired for Management Specification (WfM). The Server Board has several hardware management features, including the following: • Fan monitoring and control (through the hardware monitoring and fan control ASIC) • Thermal and voltage monitoring • Chassis intrusion detection 3.5.1 Hardware Monitoring and Fan Control ASIC The features of the hardware monitoring and fan control ASIC include: • Internal ambient temperature sensor 14 Revision 1.5

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Functional Architecture
Intel® Entry Server Board SE7221BA1-E TPS
14
Revision 1.5
When the computer is plugged in, the standby current from the power supply extends the life of
the battery.
The clock is accurate to ± 13 minutes/year at 25 ºC with 3.3 VSB applied.
3.4
I/O Controller
The I/O controller provides the following features:
•
One serial port
•
One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port
(EPP) support
•
Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus
systems
•
PS/2-style mouse and keyboard interfaces
•
Interface for one 1.44 MB or 2.88 MB diskette drive
•
Intelligent power management, including a programmable wake-up event interface
•
PCI Conventional bus power management support
The BIOS Setup program provides configuration options for the I/O controller.
3.4.1
Serial Port
The Intel® Entry Server Board SE7221BA1-E has one serial port connector located on the back
panel, and a serial port B header on the board.
The serial ports support data transfers at
speeds up to 115.2 Kbs/sec with BIOS support.
3.4.2
Parallel Port
The 25-pin D-Sub parallel port connector is located on the back panel.
Use the BIOS Setup
program to set the parallel port mode.
3.4.3
Diskette Drive Controller
The I/O controller supports one diskette drive. Use the BIOS Setup program to configure the
diskette drive interface.
3.4.4
Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel.
3.5
Hardware Management Subsystem
The hardware management features enable the Intel® Entry Server Board SE7221BA1-E to be
compatible with the
Wired for Management
Specification
(WfM).
The Server Board has several
hardware management features, including the following:
•
Fan monitoring and control (through the hardware monitoring and fan control ASIC)
•
Thermal and voltage monitoring
•
Chassis intrusion detection
3.5.1
Hardware Monitoring and Fan Control ASIC
The features of the hardware monitoring and fan control ASIC include:
•
Internal ambient temperature sensor