
HP 9000/K-Class Internals
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
PA-7200-models: U2 I/O adapter Runway to GSC bridge
PA-8000/PA-8200-models: UTurn I/O adapter Runway to GSC bridge
PA-7200/PA-8000/PA-8200 models: MMC/SMC memory controllers
Gecko BOA BC GSC+ Port
Intel 82503 Ethernet transceiver, media auto-selection
CS4215 or AD1849 programmable CODECs
NCR 53C720 16-bit Fast-Wide high-voltage differential (HVD) SCSI-2
Eole CAP/MUX
Buses
Runway CPU/memory bus (100MHz with 800MB peak data rate on Kx00, 120MHz 960MB/s
on all others)
GSC+ bus for the general system level I/O
HSC bus for expansion I/O
HP-PB bus for expansion I/O
SCSI-2 Fast-Wide high-voltage differential (HVD) bus for main storage I/O
SCSI-2 Fast-Narrow single-ended bus for main storage I/O
Memory
72-pin ECC SIMMs on special RAM boards
The required access-time of the RAM modules depends on the used CPU in the system, systems with a
PA-8x00 need 50ns modules, those with PA-7200 and can take up to 60ns. It is possible that slower
modules will also work.
Expansion
K100/K2x0:
One slot for a GSC/HSC (HSC formfactor) card on the core I/O board
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