
HP 9000/735 & 755 Internals
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system & user timers
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audio generator
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HP-HIL interface
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frontpanel system status LEDs
Viper memory and I/O controller
Intel 82C501AD Ethernet transceiver
Intel 82350 EISA bus adapter chipset (EISA to GSC)
CS4215 CODEC for 16-bit stereo audio
Buses
PBus processor/memory bus, 66MHz on 735/99 and 755/99 (264MB/s)
VSC main system bus
GSC system-level I/O bus
EISA additional I/O expansion bus
SGC expansion of the mainbus to the SGC expansion cards
SCSI-2 narrow single-ended bus
SCSI-2 Fast-Wide high-voltage differential (HVD) main storage I/O bus
Memory
HP proprietary memory modules (same as 720, 730 and 750, and the Nova servers)
735: 8-32MB modules (most 64MB are unsupported and/or would not fit mechanically)
755: 8-64MB modules
12 sockets
735: 16MB onboard, 400MB (12×32+16) maximum
755: 768MB (12×64) maximum
Memory has to be installed in pairs, from bank 0 to the outside on both sides equally:
.______________. to backplane
| |________________.
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| | | | | | | ##### | | | | | | |
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