Signal Description
2.13.5
Parallel Mode Operation
In parallel mode, the Intel® 6702PXH 64-bit PCI Hub provides 6 slot control outputs and 8 slot
control inputs for each of the two slots it can control. The Intel® 6702PXH 64-bit PCI Hub
operates in this mode if the number of hot plug slots implemented is either 1 or 2, as programmed
into the slot configuration register.
If the number of slots is set to 1, then the Intel® 6702PXH 64-bit PCI Hub ignores the second port.
Platforms must tie this port to its benign value. Refer to Table 2-27 for how the parallel hot plug
mode pins are reused (muxed) with other Intel® 6702PXH 64-bit PCI Hub pins.
Table 2-27. Muxed Hot Plug Mode Signals Parallel Mode
Multiplexed With
Bus A
Signal
Type
HAATNLED_1#
HAATNLED_2#
HABUSEN_1#
HABUSEN_2#
HABUTTON_1#
HABUTTON_2#
HACLKEN_1#
HACLKEN_2#
HAM66EN_1
O
O
O
O
I
HAATNLED_1#
HPA_SOLR
PAGNT_[5]#
PAGNT_[4]#
PAIRQ_[8]#
HPA_SOL
I
O
O
I
HPA_SIL#
HPA_SOD
PAIRQ_[11]#
PAIRQ_[12]#
PAIRQ_[15]#
HPA_SLOT[0]
PAIRQ_[10]#
HPA_SID
HAM66EN_2
I
HAMRL_1#
I
HAMRL_2#
I
HAPCIXCAP1_1
HAPCIXCAP1_2
HAPCIXCAP2_1
HAPCIXCAP2_2
HAPRSNT1_1#
HAPRSNT1_2#
HAPRSNT2_1#
HAPRSNT2_2#
HAPWREN_1
HAPWREN_2
HAPWRFLT_1#
HAPWRFLT_2#
HAPWRLED_1#
HAPWRLED_2#
HARST_1#
I
I
I
PAIRQ_[9]#
HPA_SOC
I
I
HPA_SLOT[1]
PAREQ_[5]#
PAREQ_[3]#
PAREQ_[4]#
HAPWREN_1
PAGNT_[3]#
PAIRQ_[14]#
PAIRQ_[13]#
HPA_SLOT[3]
HPA_SIC
I
I
I
O
O
I
I
O
O
O
O
HPA_PRST#
HPA_RST2#
HARST_2#
Intel® 6702PXH 64-bit PCI Hub Datasheet
49
INTEL [ INTEL ]
