User`s guide

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PEG_TX0+

PEG_TX0-

PEG_TX1+

PEG_TX1-

PEG_TX2+

PEG_TX2-

PEG_TX3+

PEG_TX3-

PEG_TX4+

PEG_TX4-

PEG_TX5+

PEG_TX5-

PEG_TX6+

PEG_TX6-

PEG_TX7+

PEG_TX7-

PEG_TX8+

PEG_TX8-

PEG_TX9+

PEG_TX9-

PEG_TX10+

PEG_TX10-

PEG_TX11+

PEG_TX11-

PEG_TX12+

PEG_TX12-

PEG_TX13+

PEG_TX13-

PEG_TX14+

PEG_TX14-

PEG_TX15+

PEG_TX15-

D52

D53

D55

D56

D58

D57

D61

D62

D65

D66

D68

D69

D71

D72

D74

D75

D78

D79

D81

D82

D85

D86

D88

D89

D91

D92

D94

D95

D98

D99

D101

D102

PCI Express Graphics Transmit Output differential pairs. Some of these lines are multiplexed with

SDVO lines.

Note: Can also be used as PCI Express Transmit Output differential pairs 16 through 31 known as

PCIE_TX[16-31] + and -.

PCIE

PEG_LANE_RV# D54 PCI Express Graphics lane reversal input strap. Pull low on the carrier board to reverse lane order. Be

aware that the SDVO lines that share this interface do not necessarily reverse order if this strap is low.

1.05V

PEG_LANE_RV# is a boot

strap signal (see note below)

PEG_ENABLE# D97 Strap to enable PCI Express x16 external graphics interface. Pull low to disable internal graphics and

enable the x16 interface.

I 3.3V PU 10k

3.3V

PCI Express Graphics x16 link is only available on conga-B915 variants equipped with the Intel

82915GME chipset. On these variants it is

also possible to optionally use the rst two differential signal pairs of the PEG port (PEG_RX0± and PEG_TX0±) for connecting x1 PCI Express

devices instead of using the x16 link. This will increase the available PCI Express links, as explained in section 4.1.7, by one additional x1 link.

This additional link cannot be linked together with the other PCI Express links found on the conga-B915.

Note

Some signals have special functionality during the reset process. They may bootstrap some basic important functions of the module. For more

information refer to section 7.5 of this user’s guide.