American Megatrends MegaDual User Manual page 8

Overview,
Continued
PCI Bus Speed AMIBIOS automatically configures the PCI slots. The PCI slots are synchronous with the
CPU clock:
CPU External Clock
Frequency
100 MHz
133 MHz
Onboard I/O The MegaDual motherboard includes:
one onboard Qlogic 12160 dual 160M SCSI controller
two 40-pin IDE connectors for 1 – 4 IDE drives
a 34-pin floppy drive connector
two serial port connectors
a 25-pin parallel port connector
a keyboard and PS/2 mouse dual mini
two 4-pin USB ports on dual combo
onboard 82559 10/100 Mb LAN
2 MegaDual PCI Motherboard User's Guide
PCI Expansion Slot Frequency
33 MHz for 32-bit, 66 MHz for 64-bit
33 MHz for 32-bit, 66 MHz for 64-bit