Intel Xeon User Manual

Intel
®
82870P2 (P64H2)
114 Design Guide
8.2.7.8 Reference Schematic for Serial Mode
The following schematic is based on definition and simulation of the P64H2. This schematic has
not been fully validated.
Figure 8-16. Reference Schematic for Serial Mode
6
HPx_SIL#
HPx_SID
HPx_SOR#
HPx_SORR#
HPx_SOC
HPx_SOL
HPx_SOLR
HPx_SOD
HPx_SLOT2
HPx_SLOT1
HPx_SLOT0
HPx_SIC
8.2K
8.2K
8.2K
3.3V
HPx_SLOT[2:0]
100b for 4 slots
serial
Serial/Parallel Logic
HPx_SIL#
HPx_SID
HPx_SOR#
HPx_SORR#
HPx_SOC
HPx_SOL
HPx_SOLR
HPx_SOD
HPx_SIC
SLOT 1 Switch
SLOT 1 Fault#
SLOT 1 Present 1
SLOT 1 Present 2
SLOT 1 M66EN
SLOT 1 PCIXCAP 1
SLOT 1 PCIXCAP 2
PCIXCAP
10K
2.2K
10K
3.3V
8.2K
3.3V
8.2K
3.3V
3.3V
5.6K
10K
3.3V
5K
3.3V
M66EN
Comparator
Comparator
SLOT 1 Present 1
SLOT 1 Present 2
10K
3.3V
--12V
+12V
+5V
+3V
--12V
+12V
+5V
+3V
Fault#
Reset [1:4] #
GPOA [7:0]
Green LED 1
Amber LED 1
.
.
.
.
Green LED 4
Amber LED 4
One of These
for Each Slot
Busen [1:4]
Clken [1:4]
Pwren [1:4] Pwren 1
4
Pwren 1
Clken#
3.3V
Busen#
4
4
4
RST #
Intel
®
P64H2
Hot Plug Controller
Intel
®
P64H2
PCI Interface
PxPCLKO [0:6]
PxPCLKI
7
33
33
PxPCLKO 0
PxPCLKO 0
CLK
Slot 1 Clock
Switch
Slot 1
Feedback from
PxPCLK 6
PxAD[63:0]
PxC/BE[7:0]
PxPAR
PxPAR64
PxREQ64#
PxACK64#
PxFRAME#
PxIRDY#
PxTRDY#
PxSTOP#
PxDEVSEL#
PxPLOCK#
PxGNT[0:5]#
PxPERR#
PxSERR#
PxREQ[0:5]#
6
6
PCI BUS SIGNALS
PCI BUS SIGNALS
PxAD[63:0]
PxC/BE[7:0]
PxPAR
PxPAR64
PxREQ64#
PxACK64#
PxFRAME#
PxIRDY#
PxTRDY#
PxSTOP#
PxDEVSEL#
PxPLOCK#
PxGNT0#
PxPERR#
PxSERR#
PxREQ0#
Some signals are
bidirectional, others
are not. Pull-ups are
not shown for PCI
Control Signals. Refer
to the PCI
specification for these
values.
Slot 1 Bus
Switch
PxM66EN
PxPCIXCAP
PCI SLOT 1
64
64
Reset [2:4] to PCI
Slots [2:4]
Busen [2:4] to
bus enable logic
for PCI slots [2:4]
Clken [2:4] to bus
enable logic for
PCI slots [2:4]
Pwren [2:4] to power
enable logic for PCI slots
[2:4]
PxPCLKO [1:3] to
clock bus logic for PCI
slots [1:3].
8.2K
330
330
Same as above
97
87
87
97
To PCI Slots 2-4
Depending on the
serialization/
deserialization
logic used, the
switch may have
to be debounced.
PxM66EN must be be
routed to each PCI Slot
by means of a bus
switch so that the Intel
®
828702P2 can drive this
signal when appropriate
5K
3.3V
Isolation
logic
5K
5K
3.3V
Power Logic

Intel Xeon Specifications

General

Brand	Intel
Model	Xeon
Category	Processor
Language	English