
HP 9000/712
4.4 HP 9000/712
4.4.1 Overview
The design goal of the 712 workstation was to reach performance levels of 1992-era workstations and
servers (for instance HP 9000 735 workstation) at a fraction of their fabrication costs. Everything was
kept simple, the case is one of the smallest Unix workstation cases, similar to the Sun SPARCstation 10
and 20 cases. 712s are very quiet, the fan of the power supply being almost not audible — the produced
noise depends on the installed SCSI drive.
Introduced: early-1994 to mid-1995 (712/100)
prices from $4,000 (712/60) and $8,820 (712/80) to $15,100 (712/100).
4.4.2 Internals
CPU
712/60: PA-7100LC 60MHz with 1KB on-chip L1 (See Note 1) and 64KB off-chip L1 cache
712/80: PA-7100LC 80MHz with 1KB on-chip L1 (See Note 1) and 256KB off-chip L1 cache
712/100: PA-7100LC 100MHz with 1KB on-chip L1 (See Note 1) and 256KB off-chip L1 cache
Notes
1. The 1KB on-chip L1 cache 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
Artist graphics, 8-bit
Intel 82503 Ethernet transceiver, media auto-selection
CS4215 or AD1849 programmable CODECs
WD37C65C Floppy controller
Two AM29F010 Flash EPROMs
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