Guaranteed compatible upgrades for:

HP/Compaq Pavilion a1000 Series Desktop a1310y Series (CTO)

System Specifications
Maximum Memory:
  • 4GB
  • 4 Sockets
Standard Memory:
  • 256MB (Removable) or
  • 512MB (Removable) or
  • 1GB (Removable) or
  • 2GB (Removable)
  • Intel Pentium 4 Intel 915GV
Bus Architecture:
  • PCI; USB
Upgrade Path:
  • Virtually any configuration up to 4GB can be reached using any combination of 512MB and 1GB modules.
  • MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of Dual Channel Mode.
  • This system is configurable and may ship with either DDR2-400 (KTH-XW4200/xx) or DDR2-533 (KTH-XW4200AN/xx).
  • Both memory types are compatible, however, when mixed they will default to DDR2-400.
  • If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
  • Models with "-b" are bundled.