82371FB Datasheet, PDF (119/122 Pages) Intel Corporation – 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR

E
82371FB (PIIX) AND 82371SB (PIIX3)
Table 18. Perform NAND Tree Test (Pins Driven To 0)
Pin #
Pin Name
81
IRQ15
83
IRQ14
126
PWROK
Beginning with MDRQ and working counter-clockwise around the chip, each pin can be toggled and a
resulting toggle observed on DACK1# or XDIR. The DACK1# output is provided so that the NAND tree test
can be divided into two sections.
Pin #
134
32
33
34
142
143
144
145
146
147
148
149
150
151
152
153
154
159
160
161
162
163
164
165
Table 19. NAND Tree
Pin Name
Notes
TESTIN#
TESTIN# should be
driven to 0 for the
duration of the NAND
tree test.
IRQ7
Test mode select signal.
IRQ6
Test mode select signal.
IRQ5
Test mode select signal.
MDRQ1
MDRQ0
MDK1
MDK0
MIRQ1
MIRQ0
RTCALE
PIRQA#
PIRQB#
PIRQC#
PIRQD#
SYSCLK
IDSEL
AD31
AD30
AD29
AD28
AD27
AD26
AD25
Pin #
166
167
168
171
172
173
174
175
176
177
178
179
180
181
184
185
186
187
188
189
190
191
192
193
194
197
Table 19. NAND Tree
Pin Name
Notes
AD24
C/BE3#
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
C/BE2#
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
PAR
C/BE1#
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
119