Intel 440GX ユーザーズマニュアル

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.

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