Compaq Prolinea Family Maintenance & Serice Manual page 18

486-Based Board With 4 MB RAM
The 486-based system board with 4 MB RAM has the following characteristics:
o Used on 3-slot/3-bay and 4-slot/4-bay computers
o 4 MB SIMMs
o 4 SIMM sockets for memory expansion
o PCI Local Bus integrated graphics controller
o Accommodates 486DX2/50, 486DX2/66, and 486DX4/100 processors (238-pin
ZIF socket)
o 128 KB cache memory standard on 486DX4/100 models only; 128 KB and
256 KB options for 486DX2 models
o Measures 8.5 x 11.5 inches (21.6 x 29.2 cm)
486-Based Board With 8 MB RAM
The 486-based system board with 8 MB RAM has the following
characteristics:
o Used on 3-slot/3-bay and 4-slot/4-bay computers
o Integrated 8 MB RAM on the system board
o 4 SIMM sockets for memory expansion
o PCI Local Bus integrated graphics controller
o Accommodates 486DX2/50, 486DX2/66, and 486DX4/100 processors (238-pin
ZIF socket)
o 128 KB cache memory standard on 486DX4/100 models only; 128 KB and
256 KB options for 486DX2 models
o Measures 8.5 x 11.5 inches (21.6 x 29.2 cm)
586-Based Board With DRAM Graphics
The 586-based system board with integrated DRAM graphics has the following
characteristics:
o Used on 3-slot/3-bay and 4-slot/4-bay computers
o PCI Local Bus integrated graphics controller
o Six SIMM sockets for memory expansion
o Accommodates 586/75 and 586/90 processors (320-pin ZIF socket)
o 256 KB cache memory