PPC7A Product Manual
Specifications
A-3
1
st
Edition
Local Resources
Processor
PowerPC 745x at 500 MHz or above.
SDRAM
64 to 512 Mbytes with ECC.
L2 or L3 Cache
1 to 4 Mbyte on private cache bus.
Graphics
Totally integrated 2D graphics processor with 2Mbytes of
graphics SRAM on chip.
With 69000:
Pixel clocks up to 135Mhz, up to 24 bit colour depths per pixel.
1280 x 1024 x 8 @ 75Hz
1024 x 768 x 16 @ 85 Hz
800 x 600 x 24 @ 85 Hz
With 69000:
Pixel clocks up to 170Mhz, up to 24 bit colour depths per pixel.
1280 x 1024 x 24 @ 80Hz
1024 x 768 x 24 @ 85 Hz
800 x 600 x 24 @ 85 Hz
FLASH
Up to 256 Mbytes, with 8 Mbytes reserved for Boot FLASH
banks
RTC
I²C RTC backed up by connection to VMEbus 5VSTDBY pin.
NVRAM
32 Kbytes.
PCI
64-bit @ 66 MHz.
SCSI
8 bit fast Ultra-SCSI via the P2 connector.
Ethernet
2 off, Ethernet 10/100BaseT via the P2 connector.
PMC Slots
Air-cooled: Two 5V, 32-bit IEEE P1386.1 compliant slots with
front panel and P0 I/O, and restricted P2 I/O.
Serial I/O
Six serial I/O channels via the P2 connector. Two channels are
equipped with clocks for synchronised operation with interfaces
that allow for RS422 or RS232.
Keyboard and Mouse
PS/2 compatible Keyboard and Mouse interface via the P2
connector.
Parallel I/O
Centronics style port via the P2 connector.
Floppy Disk Interface
MFM 1.44/2.88 Mbyte via P2 connector.
Counter/Timers
Eight 32-bit timers with a resolution of one bus clock (100 Mhz).
Reset/Abort switch
Front panel mounted
Operating Systems
LynxOS
VxWorks/Tornado
INTEGRITY
PCI Expansion
PCI through P0 via PMCPCI card.
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