HP B160L Manual do Utilizador Página 198

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HP Visualize B2000 & B2600
4.18 HP Visualize B2000 & B2600
4.18.1 Overview
These workstations were aimed at the graphics workstations market, equipped with the 64-bit PA-8500
or PA-8600 featuring large on-chip L1 caches. The B2000 features normally the former CPU and is
shipped in a small tower enclosure whereas the B2600 is shipped in a desktop casing, featuring the
PA-8600 CPU. The architecture was a major change from those of its predecessors, e.g., the C200 et
al. New I/O devices were integrated, the LASI I/O chip was dumped, together with the GSC bus. All
device I/O now sits on various PCI buses, human I/O devices are connected to USB ports.
Model numbers: both the B2000 and B2600 have the HP 9000/785 model number.
4.18.2 Internals
CPU
B2000: PA-8500 400MHz with 512/1024KB on-chip I/D L1 cache
B2600: PA-8600 500MHz with 512/1024KB on-chip I/D L1 cache
(there are some B2000s shipped with/upgraded to PA-8600 (PCXW+) processors)
Chipset
Astro memory/Runway controller
Two Elroy PCI bridges
National 87560 (SuperI/O), handling USB, RS232, parallel, floppy and IDE
National 87415 IDE controller
National USB controller
Analog Devices AD1889 sound chip (on B2600 the audio card is optional)
DEC 21142/43 Fast Ethernet controller (Tulip)
Symbios Logic 53C896 Ultra2-Wide SCSI-3 controller
B2000: Visualize FXe graphics
Buses
Runway CPU/memory bus
PCI-32/33 device I/O bus
PCI-64/33 high-performance I/O bus
SCSI-3 Ultra2-Wide LVD bus main storage I/O
IDE bus; removable device-I/O (can partially boot from CD-ROM, e.g., HP-UX)
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