HP B160L Manual do Utilizador Página 180

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HP 9000/748i & 748 VME Workstations
4.13 HP 9000/748i & 748 VME Workstations
4.13.1 Overview
The 748i and 748 ruggedized workstations are 743i and 744 VME boards in a heavy, large VME-case,
which provides the neccessary I/O facilities:
Six 6U VME slots for additional I/O boards
Room for up to four SCSI devices, which can be accessed from the outside
Four-slot EISA or PCI cage
4.13.2 Internals
CPU
748i/64: PA-7100LC 64MHz with 1KB on-chip I L1 and 256KB off-chip unified I/D L1 cache
748i/100: PA-7100LC 64MHz with 1KB on-chip I L1 and 256KB off-chip unified I/D L1 cache
748/132L: PA-7300LC 132MHz with 64/64KB on-chip I/D L1 cache
748/165L: PA-7300LC 165MHz with 64/64KB on-chip I/D L1 and 512KB off-chip unified I/D
L2 cache
The 1KB on-chip L1 cache on systems with a PA-7100LC is not really a true cache.
Chipset
LASI ASIC, which features:
NCR 53C710 8-bit single-ended SCSI-2
Intel 82596CA 10Mb Ethernet controller
WD 16C522 compatible parallel
Harmony CD/DAT quality 16-bit stereo audio
NS 16550A compatible serial
Wax chip
EISA bus converter (GSC-to-EISA)
Second RS232 serial
Dino GSC-to-PCI bridge
748: Phantom PseudoBC GSC+ port
748: Visualize-EG ( “Graffiti” ) graphics
Intel 82503 Ethernet transceiver, media auto-selection
CS4215 or AD1849 programmable CODECs
VME controller
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