American Megatrends III - Manual (Page 9)

Chapter 1 Hardware Installation 5
Overview, Continued
PCI Slots The motherboard conforms to the PCI Version 2.1 specification. The PCI
slots are automatically configured by the AMIBIOS. The PCI slots operate
synchronously with the CPU clock, as follows:
CPU External Clock Frequency PCI Expansion Slot Frequency
66 MHz 33 MHz
60 MHz 30 MHz
50 MHz 25 MHz
Onboard I/O The Apollo III Pentium ISA motherboard includes:
•
two 40-pin IDE connectors on the PCI bus that support up to four IDE drives,
•
a 34-pin floppy drive connector,
•
two 10-pin serial port connectors (with 16550 UARTs),
•
a 26-pin parallel port connector with ECP and EPP support,
•
an infrared connectors,
•
two USB connectors,
•
a keyboard connector, and
•
a PS/2 mouse connector.
Apollo III Dimensions
Expansion
Slots
0.62"
Keyboard
Connector
0.85"
SIMM
Sockets
2.5"
CPU Heat Sink
1.75"
Power Connectors
2.0"
10"
8.625"
Heat Sink
1.5"