ESM-2850
38 ESM-2850 User’s Manual
2.4.3.1.2 PCI Signals
Signal
Signal Description
PCI_AD[0:31]
PCI bus multiplexed address and data lines
PCI_PME#
PCI Power Management Event: PCI peripherals drive PME# to wake system from
low-power states S1–S5.
PCI_GNT[0:3]#
PCI bus master grant output lines, active low.
PCI_REQ[0:3]#
PCI bus master request input lines, active low.
PCI_RESET#
PCI Reset output, active low.
PCI_CBE[0:3]
PCI bus byte enable lines, active low
PCI_PERR#
Parity Error: An external PCI device drives PERR# when it receives data that has a
parity error.
PCI_LOCK#
PCI Lock control line, active low.
PCI_DEVSEL#
PCI bus Device Select, active low.
PCI_IRD Y#
PCI bus Initiator Ready control line, active low.
PCI_IRQ[A:D]
PCI interrupt request lines.
PCI_PAR
PCI bus parity
PCI_SERR#
System Error: SERR# can be pulsed active by any PCI device that detects a
system error condition.
PCI_STOP#
PCI bus STOP control line, active low, driven by cycle initiator.
PCI_TRDY#
PCI bus Target Ready control line, active low.
PCI_FRAME#
PCI bus Frame control line, active low.
PCI_CLKRUN#
Bidirectional pin used to support PCI clock run protocol for mobile systems.
PCI_CLK
PCI 33MHz clock output.
2.4.3.1.3 PCI Express Graphics Signals
Signal
Signal Description
PEG_RX[0:15] +/-
PCI Express Graphics receive differential pairs. Some of these are multiplexed
with SDVO lines (see SDVO section).
PEG_TX[0:15] +/-
PCI Express Graphics transmit differential pairs. Some of these are multiplexed
with SDVO lines (see SDVO section).
TYPE[0:2]
PEG_LANE_RV#
PCI Express Graphics lane reversal input strap. Pull low to reverse lane order.
Pulled high on module.
SDVO_DATA
SDVO I
2
C data line - to set up SDVO peripherals.
SDVO_CLK SDVO
I
2
C clock line - to set up SDVO peripherals.
Summary of Contents for ESM-2850
Page 17: ...User s Manual ESM 2850 User s Manual 17 2 Hardware Configuration ...
Page 18: ...ESM 2850 18 ESM 2850 User s Manual 2 1 Product Overview ...
Page 39: ...User s Manual ESM 2850 User s Manual 39 3 BIOS Setup ...
Page 73: ...User s Manual ESM 2850 User s Manual 73 5 Measurement Drawing ...
Page 74: ...ESM 2850 74 ESM 2850 User s Manual Unit mm ...
Page 76: ...ESM 2850 76 ESM 2850 User s Manual Appendix B AWARD BIOS POST Messages ...
