System Overview 1-19
Bus types. . . . . . . . . . . . . . . . . . . . . . . PCI, ISA, and AGP
Bus speed . . . . . . . . . . . . . . . . . . . . . . PCI: 33.3 MHz
ISA: 8.33 MHz
AGP: 133 MHz
PCI expansion-card connectors . . . . . . five (one of the PCI connectors shares
a card-slot opening with the ISA
connector)
NOTE: PCI4 is the only slot that sup-ports an add-in RAID coprocessor card through a 60-pin connector.
ISA expansion-card connectors . . . . . . one (the ISA connector shares a card-
slot opening with one of the PCI
connectors)
AGP expansion-card connectors . . . . . one
PCI expansion-card connector size . . . 120 pins
PCI expansion-card connector data
width (maximum). . . . . . . . . . . . . . . . . 32 bits
ISA expansion-card connector size . . . 98 pins
ISA expansion-card connector data
width (maximum). . . . . . . . . . . . . . . . . 16 bits
AGP expansion-card
connector size . . . . . . . . . . . . . . . . . . . 124 pins
AGP expansion-card connector data
width (maximum). . . . . . . . . . . . . . . . . 32 bits
RAID extension connector size . . . . . . 60 pins
System clock . . . . . . . . . . . . . . . . . . . . 100 MHz
SDRAM memory clock . . . . . . . . . . . . 100 MHz
I/O APIC clock . . . . . . . . . . . . . . . . . . . 14 MHz
Diskette/communications ports. . . . . . 48 MHz
USB clock. . . . . . . . . . . . . . . . . . . . . . . 48 MHz
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in
the
User’s Guide.