10 User's Manual
Infra-red (IrDA) connector
Serial port 2 can be configured to support an IrDA module
via a 5-pin header connector. Once configured for IrDA, the
user can transfer files to or from portable devices such as
laptops, PDA's and printers using application software such
as LapLink. The IrDA specification provides for data transfers
at 115Kbps from a distance of 1 meter.
Reset
This 2-pin header can be connected to a momentary SPST type switch that is
normally open. When the switch is closed, the system will hard reset and run POST.
Back Panel Connectors
The back panel provides external access to PS/2 style keyboard and mouse connec-
tors as well as two serial and one parallel port, which are integrated on the HOT-559
main board. (please refer to diagram on next page)
USB Connectors
The main board provides two sets USB (Universal Serial
Bus) connectors - J27 and J29 for USB devices use.
1.9 Add-in Board Expansion Connectors
Expansion Slots support up to four PCI and up to four ISA add-in boards. The PCI
bus is fully compliant with the PCI 2.1 specification and supports up to four bus
master through the four PCI connectors (or three PCI connectors when Adaptec AIC-
7880 SCSI controller on board.)