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Super I/O
The mainboard uses the Winbond W83627HF Super I/O Plug and Play Compatible with ACPI-Compliant
Controller/Extender. This device provides the system with the following:
•
LPC interface
•
Two serial ports
•
One parallel port
•
Floppy disk controller
•
PS/2-compatible keyboard and mouse controller
The mainboard provides the connector interface for the floppy disk drive, dual serial ports, parallel
port, PS/2 mouse, and the PS/2 keyboard.
Serial Ports
The mainboard provides one DB9 connector on the back panel for serial port A. Serial port A is
compatible with 16550A and 16450 modes. The port can be set to one of four different COM ports
and each can be enabled separately. When enabled, each port can be programmed to generate edge-
or level-sensitive interrupts. When disabled, serial port interrupts are available to add-in cards. An
additional serial header is available on the board for an optional serial port B.
Parallel Port
The mainboard provides a 25-pin parallel port back panel connector. The super I/O provides an IEEE
1284–compliant 25-pin bidirectional parallel port. BIOS programming of the super I/O registers
enables the parallel port and determines the port address and interrupt. When disabled, the interrupt
is available to add-in cards.
Floppy Disk Connector
The floppy disk connector on the server board provides the interface to the floppy disk drive from
the floppy disk controller.
Keyboard and Mouse Connectors
The separate keyboard and mouse connectors, found on the back panel of the server board, are
PS/2 compatible and are interchangeable. Setup does not include an option to disable the keyboard
or mouse. Instead, they are automatically detected and tested at system startup. The system can be
booted with either or both disconnected.
USB
The mainboard supports up to four high-speed USB 2.0 ports through the ICH4. Three ports are
routed to the rear panel and one is routed to an internal 9-pin connector on the baseboard that can
be cabled to an external connector located on the front or rear of a chassis. All four ports function
identically and with the same bandwidth.
MAXDATA PLATINUM 510 Server
17
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