Intel 440GX User Manual
Page 64
Intel
®
440GX AGPset Design Guide
3-4
Design Checklist
TDO
UP: Connected to ITP. 150 ohm pull-up to 2.5V.
DP: Connected to jumpers between ITP and CPU signals. See DP schematics for details.
TDI
UP: Connected to ITP. 150 ohm - 330 ohm pull-up to 2.5V.
DP: Connected to jumpers between ITP and CPU signals. See DP schematics for details.
TESTHI
UP: 4.7K ohm pull-up to 2.5V. DP: Connect CPUs and 4.7K ohm pull-up to 2.5V.
THERMTRIP#
UP: NC if not used. 220 ohm pull-up to 2.5V if used. DP: Connect CPUs and 220 ohm
pull-up to 2.5V.
TMS
UP: 1K ohm pull-up to 2.5V. 47 ohm series resistor to ITP. DP: Separate 47 ohm series
resistors then hooked together to ITP. 1K ohm pull-up to 2.5V.
TRDY#
UP: Connect to 82443GX. DP: Connect CPUs and 82443GX.
TRST#
UP: Connect to ITP. 680 ohm pull-down. DP: Connect CPUs and 680 ohm pull-down.
VID[4:0]
8.2K ohm pull-up to 5V is the default for VRM use. Optional override could be used. Also
connect to optional LM79.
Table 3-2. GND & Power Pin Definition
GND
Vcc
CORE
Vtt (1.5V)
VCC3 (3.3V)
Reserved (NC)
Vcc (5V)
A2
A62
B13
B89
A1
B113
A16
B109
A6
A66
B17
B93
A3
B117
A47
A10
A70
B25
B97
B5
B121
A88
A14
A74
B29
B105
B9
A113
A18
A78
B33
A116
A22
A82
B37
B12
A26
A86
B45
B20
A30
A90
B49
B112
A34
A94
B53
A38
A98
B57
A42
A102
B65
A46
A106
B69
A50
A110
B73
A54
A114
B77
A58
A118
B85
Table 3-1. Slot Connectivity (Sheet 3 of 3)
Processor Pin
Pin Connection