PRIMEPOWER 650 and 850 Technical White Paper
01/12/31
13
I/O Subsystem and PCIBOX
These models use a PCI bus as the I-O bus. The PCI bus conforms to PCI Rev. 2.1 and can operate in 32/64-bit
mode at 33/66 MHz. Eight PCI slots per system board (33 MHz x 6 and 66 MHz x 2) are built into the cabinet.
A PCIBOX (33 MHz x 9) has been developed as a PCI slot expansion unit and can be flexible installed into the
system to meet customer needs as required. The PCIBOX is connected to the base cabinet using a bus called the
CH bus, which provides ultra high-speed transfer at 200MHz. Four of the slots support installation of full-length
cards. In addition, for reliability, the power supplies and fans are supplied in redundant configuration. Hot
swapping is enabled.
[Basic slots]
Slot No.
PCI bus group
PCI Card Width
PCI Clock Rate
Card Input Voltage
Size
PCI0
A
64bit,/32bit
33 / 66MHz
3.3V or Universal
Short Card
PCI1
B
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI2
B
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI3
B
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI4
C
64bit,/32bit
33 / 66MHz
3.3V or Universal
Short Card
PCI5
D
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI6
D
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI7
D
64bit,/32bit
33MHz
5V or Universal
Short or Long Card
[PCIBOX]
Slot No.
PCI bus group
PCI Card Width
PCI Clock Rate
Card Input Voltage
Size
PCI0
A
64bit,/32bit
33 / 66MHz
3.3V or Universal
Short Card
PCI1
B
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI2
B
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI3
B
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI4
C
64bit,/32bit
33 / 66MHz
3.3V or Universal
Short Card
PCI5
D
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI6
D
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI7
D
64bit,/32bit
33MHz
5V or Universal
Short Card
PCI8
E
64bit,/32bit
33 / 66MHz
3.3V or Universal
Short or Long Card
PCI9
F
64bit,/32bit
33MHz
5V or Universal
Short or Long Card
PCI10
F
64bit,/32bit
33MHz
5V or Universal
Short or Long Card
PCI11
F
64bit,/32bit
33MHz
5V or Universal
Short or Long Card
FAN
FAN
PCI Slot
PCI Slot
AC connector
AC connector