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A
S
BOUT THE
ERVER
[1.3.195] GPIO List (Continued)
I
P
#
P
N
TEM
IN
IN
AME
GNT_2_N_GPIO53_
54
AJ34
GSXDIN
REQ3_N_GPIO54_G
55
AK21
SXSRESET_N
56
AF30
GNT_3_N_GPIO55
57
H27
GPIO56
IO
P
OWER
PU/PD
R
ECOMMENDATIONS
TYPE
WELL
(
REFERENCE DESIGN
"In Main Power Well.
I
P1V1_SSB
PD
Muxed with GNT2#/GSX-
DIN. Defaults to GNT2#. "
"In Main Power Well.
Muxed with REQ3#/
GSXRESET. Defaults to
I
P1V1_SSB
PU
REQ3#. If not used,
require a weak pull-up
(8.2kohm to 10kohm) to
Vcc3_3"
"In Main Power Well.
I
P1V1_SSB
PU
Muxed with GNT3#.
Defaults to GNT3#. "
"In Suspend Power Well.
I
P3V3_AUX
PU
Unmuxed. Defaults to GPI.
"
V
A
ENDOR
LTERNATE
U
SED
FUNCTION
FUNCTION
)
(D
)
EFAULT
GNT2_N/
GSX_DIN
GPI
(GPO)
REQ3_N/
GSX_SRES
GPI
ET (GPI)
GNT3_N
GPI
(GPO)
GPIO56
GPI
(GPI)
1-69
N
STATE
ET
NET
AFTER
CONNECT
NAME
RESET
TO
SGPIO_M
Pull
UX_GSX_
N/A
down
N/A
DIN
1Kohm
Pull up
PU_SGPI
P3V3 via
O_GSX_R
high
P3V3
8.25Koh
ESET
m
Connect
to 3 pin
FM_BIOS
header
_RCVR_B
NC
and PU
OOT_N
to P3V3
via 10K
connect
to PLD
via a
JTAG_PB
0hm and
P3V3
G_PLD_T
high
pull up
_AUX
DO
P3V3_A
UX via
10Kohm
GPIO L
IST
BIOS
recov-
ery
func-
tion
Reserv
ed for
JTAG
for
CPLD
on-line
update
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