
HP 9000/745i & 747i VME Workstations Internals
CRX graphics, 8-bit
HP-IB controller
747i: VME controller
PSB2160 CODEC for 8-bit mono audio
Buses
PBus processor/memory bus
VSC main system bus
GSC system-level I/O bus
EISA I/O expansion bus
HP-IB bus (IEEE-488); peripheral bus
SCSI-2 narrow single-ended bus
747i: SGC expansion of the mainbus to the SGC expansion slot
747i: VME bus
Memory
72-pin ECC SIMM
8-32MB modules (/100 models take 64MB modules)
Four sockets
/50 models: 16MB (2×8) minimum, 128MB (4×32) maximum
/100 models: 16MB (2×8) minimum, 256MB (4×64) maximum
Expansion
745i:
– Four EISA expansion slots
747i:
– Two EISA expansion slots
– One SGC (DIO-II formfactor) expansion slot
– Six VME slots
Drives
One bay for an external-accessible 5.25″ half-height SCSI drive
One bay for an external-accessible 3.5″ SCSI drive or floppy
170
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