Dell Precision 420 User Manual
Page 125
Back to Contents Page
Technical Specifications
: Dell Precision™ WorkStation 420 Systems User's Guide
Microprocessor
Microprocessor type
dual Intel
® Pentium® III microprocessors with a front-side bus external speed of 133 megahertz
(MHz). See
System Setup
to identify your system's processor speed. A slower compatibility
speed can be set through the System Setup program.
Internal cache
32-kilobyte (KB) first-level (16-KB data cache; 16-KB instruction cache)
Level 2 (L2) cache memory
see
System Setup
to determine the amount of L2 cache your system supports.
Math coprocessor
internal to microprocessor
System Information
System chip set
Intel 840
Data bus width
64 bits
Address bus width
32 bits
Direct memory access (DMA) channels
eight
Interrupts
15
System basic input/output system (BIOS)
year 2000 (Y2K)-, Desktop Management Interface (DMI) 2.0s-, system management (SM)BIOS
2.3-compliant BIOS in 4-megabit (Mb) firmware hub
Audio controller
integrated Crystal SoundFusion CS4614 Peripheral Component Interconnect (PCI) audio
controller audio controller
Integrated dual channel PCI small computer
system interface (SCSI) controller
Adaptec 7899 Ultra 160m/low voltage differential (LVD)
Network interface controller (NIC)
integrated 3C920-
based 10/100 3Com® Ethernet controller with Remote Wake Up capabilities
(3C905C-TX compatible)
System clock
133 MHz
Expansion Bus
Bus types
PCI, PCI/redundant arrays of independent disks (RAID), and accelerated graphics port (AGP) 2.0
(4X) on the desktop chassis, and AGP Pro110 (4X) on the mini tower chassis
Bus speed
PCI: 33.3 MHz
PCI/RAID: 33.3 MHz
AGP Pro: 66.6 MHz (4X-capable)
PCI/RAID expansion-card connector
32 bit
Video card connectors:
Desktop chassis
AGP Pro50 (4X) expansion-card connector
Mini tower chassis
AGP Pro110 (4X) expansion-card connector
Expansion-card connectors:
Desktop chassis
five PCI expansion-card connectors