Acer TM7100 Series Service Manual page 84

Signal Multiplexed
Name With
GPO0
GPO[1:7] LA[17:23]
GPO8
GPO[9:11] GNT[A:C]#
GPO12 APICACK#
GPO13 APICCS#
GPO14 IRQ0
GPO15 SUSB#
GPO16 SUSC#
GPO17 CPU_STP#
GPO18 PCI_STP#
GPO19 ZZ
GPO20 SUS_STAT1#
GPO21 SUS_STAT2#
GPO22 XDIR#
GPO23 XOE#
GPO24 RTCCS#
GPO25 RTCALE
GPO26 KBCCS#
GPO[27:28]
GPO29 IRQ9OUT#
GPO30
Table 2-2 82371AB Pin Descriptions (continued)
Name
OTHER SYSTEM AND TEST SIGNALS
Default
GPO
GPO
GPO
GPO
GPO
GPO
GPO
SUSB#
SUSC#
CPU_STP#
PCI_STP#
ZZ
SUS_STAT1#
SUS_STAT2#
XDIR#
XOE#
RTCCS#
RTCALE
KBCCS#
GPO
GPO
GPO
Type
Control Register
and Bit (PCI
Function 1)
Non-multiplexed GPO which is always available.
GENCFG Available as GPO only if EIO mode.
Bit 0
Non-multiplexed GPO which is always available.
The GPO[8] signal will be driven low upon removal
of power from the PIIX4 core power plane.
GENCFG Not available as GPO if using for PC/PCI. Can be
Bits [8:10] individually enabled, so GPO[11] is available if
REQ[C]# not used.
XBCS Not available as GPO if using external APIC.
Bit 8
XBCS Not available as GPO if using external APIC.
Bit 8
XBCS Not available as GPO if using external APIC.
Bit 8
GENCFG Not available as GPO if using for power
Bit 17 management.
GENCFG Not available as GPO if using for power
Bit 17 management.
GENCFG Not available as GPO if using for clock control.
Bit 18
GENCFG Not available as GPO if using for clock control.
Bit 19
GENCFG Not available as GPO if using for power
Bit 20 management.
GENCFG Not available as GPO if using for power
Bit 21 management.
GENCFG Not available as GPO if using for power
Bit 22 management.
GENCFG Not available as GPO if using X-bus transceiver.
Bit 28
GENCFG Not available as GPO if using X-bus transceiver.
Bit 28
GENCFG Not available as GPO if using external RTC that
Bit 29 doesn't do self decode.
GENCFG Not available as GPO if using external RTC that
Bit 30 doesn't do self decode.
GENCFG Not available as GPO if using external KBC that
Bit 31 doesn't do self decode.
Non-multiplexed GPOs which are always available.
XBCS Not available as GPO if using external APIC. This
Bit 8 signal is used for IRQ9 output in APIC mode, where
it is level triggered, active low.
Non-multiplexed GPO which is always available.
Description
Notes