Guaranteed compatible upgrades for:

HP/Compaq Pavilion a1000 Series Desktop a1088d

System Specifications
Maximum Memory:
  • 2GB on models using nVidia chipset/AMD processors
  • 4GB on models using Intel chipset/processors
  • 4 Sockets using Intel chipset 2 Sockets using nVidia chipset
Standard Memory:
  • 256MB (Removable)
  • Intel Pentium 4 Intel 915P
  • AMD Athlon XP Nvidia nForce2
Bus Architecture:
  • PCI; PCI Express; SSD - SATA 2.5-inch; USB
Mfr's System P/N's:
  • PW664AA
Upgrade Path:
  • Virtually any configuration up to 4GB can be reached using 128, 256, 512MB, and 1GB using either DDR333 or DDR400 modules.
  • If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation).
  • Systems using the Intel chipset/processors are compatible with either DDR333 or DDR400 memory.
  • Systems using the nVidia chipset with AMD processors are only compatible with DDR333 memory.