HP Vectra XU 6/XXX HP Vectra XU 6/xxx, Service Handbook - Page 7

HP Vectra XU 6/xxx PC Series 1 Video Memory The PC is supplied with 2 MB of video memory for 1600×1200 in 256 colors. An additional 2 MB of video memory can be installed by adding a D3557A module in the video memory socket; this will make a total of 4 MB for 1600×1200 in 64 K colors. Alternatively, an additional 6 MB of video memory can be installed by adding an MGA-MIL/MOD6 module in the video memory socket (ordered from Matrox); this will make a total of 8 MB for 1600×1200 in 16.7 M colors. Switch 1 2 Matrox Video Board Switches Function · OFF to prevent Video BIOS upgrades - DEFAULT · ON to allow Video BIOS upgrades · OFF for single-screen operation - DEFAULT · ON for dual-screen operation (with second VGA controller) Installing a Dual Processor No jumper changes are involved when installing a second Pentium Pro (P6 or P6S) processor. Mini-Tower Vectras HP Vectra XU 6/xxx PC 1-7