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Welcome to HP Customer Support

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  • Information
    Information regarding recent vulnerabilities

    HP is aware of the recent vulnerabilities commonly referred to as "Spectre" and "Meltdown". HP has published a security bulletin with patches for these issues and a list of impacted systems. We will continue to update the bulletin as more information becomes available and encourage customers to check the bulletin frequently.

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Compaq 320/321/420/421/620/621 Notebook PC - Overview

Product description
Compaq 320/321/420/421/620/621 Notebook PC are Powered by Intel processors with an energy-efficient LED-backlit display, optional 2 MP webcam and integrated Wi-Fi. This notebook features a stylish understated microfiber pattern design in a stone gray color for a clean professional look.
Product features
Feature
Description
Chipset
Models with integrated graphics
  • Mobile Intel GL40 Express Chipset with ICH9M, 667 MHz front side bus
  • Mobile Intel GM45 Express Chipset with ICH9M, 1066 MHz front side bus
Models with discrete graphics
  • Mobile Intel PM45 Express Chipset with ICH9M, 1066 MHz front side bus
Processors
  • Intel Core 2 Duo Processor T6570 (2.1 GHz, 2MB L2 cache, 800 MHz FSB)
  • Intel Pentium Processor T4400 (2.2 GHz, 1MB L2 cache, 800 MHz FSB)
  • Intel Pentium Processor T4300 (2.1 GHz, 1MB L2 cache, 800 MHz FSB)
  • Intel Pentium Processor T4200 (2.0 GHz, 1MB L2 cache, 800 MHz FSB)
  • Intel Celeron Processor 900 (2.20 GHz, 1MB L2 cache, 800 MHz FSB)
  • Intel Celeron Processor T1600 (1.66 GHz, 1MB L2 cache, 667 MHz FSB)
Memory type supported
DDR3 SDRAM (1066 MHz/1333 MHz)
Memory expansion slots
Two SODIMM slots supporting dual-channel memory
Maximum memory
8GB
Memory
  • 1GB (DDR3, 1333 MHz) SODIMM
  • 2GB (DDR3, 1333 MHz) SODIMM
  • 4GB (DDR3, 1333 MHz) SODIMM
Graphics
  • Models with Mobile Intel GL40 Express Chipset and Mobile Intel GM45 Express Chipset:
    Mobile Intel Graphics Media Accelerator 4500MHD
  • Models with Mobile Intel PM45 Express Chipset:
    ATI Mobility Radeon HD 4350 discrete graphics with 512MB dedicated video memory and HyperMemory support
    Microsoft DirectX 10.1 (discrete), 10 (integrated) capable
Internal display
Compaq 320/321
  • 13.3-inch diagonal LED-backlit HD 16:9 widescreen antiglare (1366 x 768)
  • 13.3-inch diagonal LED-backlit HD 16:9 widescreen BrightView (1366 x 768)
Compaq 420/421
  • 14.0-inch diagonal LED-backlit HD 16:9 widescreen antiglare (1366 x 768)
  • 14.0-inch diagonal LED-backlit HD 16:9 widescreen BrightView (1366 x 768)
Compaq 620/621
  • 15.6-inch diagonal LED-backlit HD 16:9 widescreen anti-glare (1366 x 768 resolution)
  • 15.6-inch diagonal LED-backlit HD 16:9 widescreen BrightView (1366 x 768 resolution)
External display
  • Up to 32-bit per pixel color depth
  • VGA port supports resolutions up to 1600 x 1200 at 75 Hz, and lower resolutions at up to 100 Hz
  • HDMI 1.3 port supports direct connection to high-definition displays with up to 1920 x 1080 resolution and 7-channel audio with one convenient cable (not included)
  note:
Resolutions are dependent upon monitor capability, and resolution and color depth settings.
Storage
Hard drives
  • 160/250/320/500GB 7200 RPM SMART SATA II
  • 160/250/320/500GB 5400 RPM SMART SATA II
  note:
Up to 15GB is reserved for the system recovery software.
Fixed optical drives
  • DVD ROM Drive
  • DVD+/-RW SuperMulti DL LightScribe Drive
Wireless devices
  • HP Integrated Module with Bluetooth Wireless Technology (Bluetooth specification v2.1 compliant)
  • Broadcom 4312G 802.11b/g WiFi Adapter
  • Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter
  note:
In countries where 802.11n is not allowed, this capability is not enabled.
Communications
  • Realtek Ethernet Integrated Controller (10/100 NIC)
  • Optional 56K V.92 modem
Multimedia
  • IDT 92HD88 High Definition audio
  • Integrated microphone
  • Integrated mono speaker
  • Optional 2 MP webcam
Interfaces
  • ExpressCard/34 slot: Supports ExpressCard/34
  • VGA: One
  • HDMI: One
  • Stereo microphone in: One
  • Stereo headphone/line out: One
  • Power connector: One
  • RJ-11/modem (optional): One
  • RJ-45/Ethernet: One
  • USB 2.0: Three
  • LED status indicators: Six
Software features
Feature
Description
Operating system
Preinstalled
  • Genuine Windows 7 Professional 32-bit
  • Genuine Windows XP Professional available through downgrade rights from Windows 7 Professional
  • Genuine Windows 7 Home Premium 32-bit
  • Genuine Windows 7 Home Basic 32-bit
  • Genuine Windows 7 Starter 32-bit
  • Genuine Windows Vista Home Basic 32-bit
  • SUSE Linux Enterprise Desktop 11
  • Red Flag Linux (PRC only)
  • Free DOS
Supported
  • Genuine Windows 7 Home Premium 64-bit
  • Genuine Windows 7 Professional 64-bit
Certified
  • SUSE Linux Enterprise Desktop 11
Applications
  • HP Recovery Manager (available with Windows 7 or Vista only)
  • HP Support Assistant (available with Windows 7 or Vista only)
  • MS Office Ready 2007
  • HP Webcam Software (select models)
  • HP Wireless Assistant
  • Corel Home Office productivity suite 60-day trial
  • Roxio Creator Business (select models)
  • InterVideo WinDVD Player (select models)
  • McAfee Total Protection1
      note:
    60 day trial period for McAfee Total Protection for Small Business software. Internet access required to receive updates. First update included. Subscription required for updates thereafter.
Warranty information
Terms of warranty apply to the individual model purchased. To see if your HP product is still in warranty, go to the HP Product Warranty Check page.

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