HP Vectra XA 5/xxx HP Vectra XA 5/xxx PC - Service Handbook - Page 4

5xa1.fb4 Page 4 Monday, February 10, 1997 3:33 PM HP Vectra XA 5/xxx PC Switch 1 2 Local Bus Frequency Switch 3 4 7 Frequency Ratio Processor : Local Bus Processor Frequency Open Closed Open Open Closed Open Closed Closed 66 MHz 60 MHz 66 MHz 66 MHz Closed Closed Closed Open Open Closed Closed Closed Closed Closed Closed Closed 2 : 1 2.5 : 1 2.5 : 1 3 : 1 133 MHz 150 MHz1 166 MHz 200 MHz 1. The 150 MHz processor is not supplied in any model of the HP Vectra XA 5/xxx PC at the time of printing. This information is provided for completeness only. BIOS History For the latest BIOS, the flasher utility program, and the BIOS history refer to the information that is provided on the HP Electronic Services. 1st release for XA 5/xxx HA.07.03 Video Memory Upgrade Installation The PC is supplied with 2 MB of video memory. A 2 MB video memory upgrade 1 module can be orderd from HP (D3557B), or a 6 MB module can be ordered from Matrox (MGA-MIL/MOD6). 1-4 HP Vectra XA 5/xxx PC Switch Function 1 · OFF to prevent Video BIOS upgrades - DEFAULT · ON to allow Video BIOS upgrades · OFF for single-screen operation - DEFAULT 2 · ON for dual-screen operation (with second VGA controller) Medium-Profile Desktop Vectras