Fw82371Eb Pin Assignment - Panasonic JS-170FR Series Service Manual

2.1.2.1

FW82371EB Pin Assignment

Pin No. Signal name
Y 04 AEN
M 20 A20M#
P 01 A20GATE
B 01 AD31
C 01 AD30
E 01 AD29
D 01 AD28
A 02 AD27
B 02 AD26
C 02 AD25
E 02 AD24
B 03 AD23
C 03 AD22
E 03 AD21
D 03 AD20
A 04 AD19
B 04 AD18
C 04 AD17
E 04 AD16
E 06 AD15
D 06 AD14
A 07 AD13
B 07 AD12
C 07 AD11
D 07 AD10
A 08 AD9
B 08 AD8
E 08 AD7
D 08 AD6
A 09 AD5
B 09 AD4
C 09 AD3
D 09 AD2
A 10 AD1
B 10 AD0
J 17 APICACK#
H 18 APICCS#
K 18 APICREQ#
U 10 BALE
M 02 BIOSCS#
U 19 BATLOW#/GPI9
C 08 C/BE0#
C 06 C/BE1#
D 04 C/BE2#
D 02 C/BE3#
L 03 CLK48
C 10 CLKRUN#
R 17 CONFIG1
R 18 CONFIG2
M 19 CPURST
R 01 CPU_STP#
E 05 DEVSEL#
IN/OUT
OUT The signal used to indicate that the DMA cycle is currently executed.
OUT The signal intended to make the system address line A20 stay in internal mask off
state. (→CPU)
IN The gate signal for the address line A20. (←KBC)
PCI system address data bus.
IN/OUT
OUT APIC Acknowledge signal to APICREQ#.
OUT APIC chip select signal.
IN APIC bus request signal.
OUT Address latch enable signal.
OUT ROM's chip select signal for BIOS.
IN Used as a general-purpose input port.
IN/OUT PCI command/byte enable signal.
IN Clock input for USB. Fixed at 48MHz.
IN/OUT PCI bus Clock control signal.
IN Configuration CONF
CONF I G2=Reserve
OUT Reset signal to CPU.
OUT Stop signal to CPU clock (→ Clock synthesizer)
IN/OUT Device select signal.
2-3
Functions
I G1=Low←PENTIUM,
Active :High
Active : Low
Active : Low
High←PENTUM Pro
Active : High
Active : Low
Active : Low