HP Vectra XU 5/XX HP Vectra XU PC Series - Familiarization Guide, D308X+49A-90 - Page 15

◊ Two instruction pipelines and two floating point units. These can operate independently, executing two instructions per clock cycle. ◊ Improved floating-point operation using faster algorithms to speed up calculationintensive software. ◊ Dynamic branch prediction to anticipate where instructions are heading. ◊ Two separate 8 KB level-one caches-- one for code and one for data. ◊ Data transfers to and from the processor are between five and ten times faster than that of the 486. This is mainly due to the 64-bit data bus and instruction pipelining. • Dual Pentium Processor. The HP Vectra XU has a ZIF (Zero Insertion Force) socket on the system board. This allows a Dual Pentium processor to be installed easily. (D3096A for 90 Mhz models, D3096B for 100 MHz models). (Refer to Installing a Dual Pentium Processor.) • Cache memory. The HP Vectra XU PCs have 16 KB of level-one cache memory in the microprocessor and 256 KB of level-two cache memory on the system board. 5/100C models have 512 KB of level two cache memory on the system board. • CMOS RAM. System configuration data is held in CMOS RAM, and is backed up with a gold capacitor. • Main Memory Modules. The HP Vectra XU has eight sockets on the system board. Sockets are grouped into four banks, labeled A to D; there are two sockets in each bank. Memory modules must be installed in pairs of the same capacity, beginning with bank A, up to bank D. The HP Vectra XU is supplied with 8 or 16 MB of memory as standard, depending on the model, upgradeable to 256 MB. It uses 70 ns, 32-bit memory modules: ◊ 4 MB (D2974A) ◊ 8 MB (D2975A) ◊ 16 MB (D2297A) ◊ 32 MB (D2298A). • Accessory Board Slots. Five industry-standard accessory board slots: three 16 -bit ISA slots, one 32 -bit PCI slot, and one combination 16 -bit ISA or 32 -bit PCI slot. • Video adapter. The video adapter has 2 MB of video memory on the system board. C models have a Matrox video adapter board; on these the video memory is upgradeable to 4 MB. The integrated video adapter on the system board, and the Matrox video adapter board, are both PCI devices. The integrated video adapter on the system board can display the following resolutions: Resolution 640 x 480 800 x 600 16 colors Standard VGA (4bpp*) Not Available Not Available Colors and refresh rates 256 colors (8bpp) 64K colors hi-color (16bpp) 60/72 Hz 60/72/75 Hz 16.7M colors true-color (32 bpp) 60/72 Hz Vectra XU Familiarization Guide Product Overview and Features • 15