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Chapter 4 PA-RISC Computer Systems - OpenPA.net

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HP 9000/715 Internals<br />

– Harmony CD/DAT quality 16-bit stereo audio<br />

– NS 16550A compatible serial<br />

� Wax chip<br />

– EISA bus converter (GSC-to-EISA)<br />

– Second RS232 serial<br />

– HP-HIL<br />

� Artist graphics, 8-bit<br />

� Intel 82503 Ether<strong>net</strong> transceiver, media auto-selection<br />

� CS4215 or AD1849 programmable CODECs<br />

� WD37C65C Floppy controller<br />

� Two AM29F010 Flash EPROMs<br />

715/33, 715/50 and 715/75<br />

� ASP chipset, featuring:<br />

– NCR 53C700 8-bit single-ended SCSI-2<br />

– Intel 82596DX 10 Mbit Ether<strong>net</strong> controller<br />

– WD 16C552 parallel<br />

– NS 16550A compatible serial<br />

– 512 KB EPROM - the Boot ROM<br />

– 8 KB EEPROM for storing system configuration status etc.<br />

– Intel 8042 microprocessor controlling:<br />

* battery backed RTC<br />

* system & user timers<br />

* audio generator<br />

* HP-HIL interface<br />

* frontpanel system status LEDs<br />

� Viper memory and I/O controller<br />

� Intel 82501AD Ether<strong>net</strong> transceiver<br />

� Intel 82350 EISA bus adapter chipset (EISA to GSC)<br />

� CRX graphics, 8-bit<br />

� CS4215 CODEC for 16-bit stereo audio<br />

157

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