connector size

PCI expansion-card connector data width (maximum)

ISA expansion-card connector size

ISA expansion-card connector data width (maximum)

AGP expansion-card connector size

AGP expansion-card connector data width (maximum)

32bits

98pins

16bits

124pins

32 bits

RAID extension connector size

60 pins

 

 

System Clocks

 

 

 

 

System clock

100 MHz

 

 

 

 

SDRAM memory clock

100 MHz

 

 

 

 

 

 

I/O APIC clock

14

MHz

 

 

 

 

 

 

Diskette/communications

48

MHz

ports

 

 

 

 

 

 

 

 

USB clock

48

MHz

 

 

 

 

 

 

 

 

Memory

 

 

 

 

Architecture

72-bit ECC SDRAM

 

 

 

 

DIMM sockets

four

 

 

 

 

DIMM capacities

64- and 128-MB unbuffered, 72-bit SDRAM; 256-MB and 512-MB registered,

 

72-bit SDRAM

 

 

 

 

 

 

Standard RAM

64

MB

 

 

 

 

Maximum RAM

2048 MB (with 512 MB registered DIMMs only)

 

 

 

 

BIOS address

F000:0000h-F000:FFFFh

 

 

 

 

 

 

 

 

Drives

 

 

 

Externally accessible bays

Internally accessible bays

one 3.5-inch bay dedicated to a 3.5-inch

diskette drive; three 5.25-inch bays for tape drives, CD-ROM drives, or other 5.25-inch peripherals

two 1.6-inch drive bays and two 1-inch drive bays for EIDE or SCSI hard-disk drives installed vertically

 

Ports and Connectors

 

 

 

 

Externally accessible:

 

 

 

 

 

Serial (DTE)

two 9-pin connectors; 16550-compatible