82443GX Datasheet, PDF (125/128 Pages) Intel Corporation – Intel 440GX AGPset: 82443GX Host Bridge/Controller

Testability
Signals not included in NAND chain A or B are listed in Table 6-3. The pin assignments for NAND
chain A are shown in Table 6-4 and Table 6-5.
Table 6-3. Signals Not Included in NAND chain A or B
Signals
GXPWROK
PCIRST#
TESTIN#
Purpose
Used for cold reset
Used for cold and warm reset
Used to enter NAND chain A and B test modes
Table 6-4. Nandtree A Outputs
Signals
SBA[0]
SBA[1]
SBA[2]
SBA[3]
SBA[4]
SBA[5]
SBA[6]
SBA[7]
Purpose
NAND Chain A0 Output
NAND Chain A1 Output
NAND Chain A2 Output
NAND Chain A3 Output
NAND Chain A4 and A8 Output
NAND Chain A5 and A9 Output
NAND Chain A6 Output
NAND Chain A7 Output
Note: Chains A4 & A5 must always go through chains A8 and A9 respectively before they comes out of
SBA[4] and SBA[5].
Table 6-5. NAND Chains A
#
Chain
#A0
Chain
#A1
Chain
#A2
Chain
#A3
Chain
#A4
Chain
#A5
Chain
#A6
Chain
#A7
Chain
#A8
Chain
#A9
1 HA21#
HA15#
PGNT3# AD30
DQMB1 MAA0
2 HA6#
HREQ0# PGNT0# AD24
DQMB5 MAA2
3 HA4#
HA18#
AD19
TRDY#
CSA7# MAA4
4 HA28#
HA23#
AD17
AD18
CSA6# MAA6
5 HA20#
HA31#
AD11
AD16
CSB6# MAA5
6 HA26#
BREQ0# PAR
FRAME# CSB1# MAA8
7 HA27#
HA10#
C/BE2#
IRDY#
CSB0# MAA9
8 HA30#
HA22#
AD15
AD12
CSB2# MAA1
9 HA24#
HD1#
STOP#
PLOCK# CSB3# MAA10
10 CPURST# HA11#
DEVSEL# C/BE1#
CSB5# MAA3
11 HD32#
HD2#
SERR#
AD14
DCLKO MAA11
12 HD33#
HA29#
AD13
AD10
CSB4# MAA12
13 HD37#
HD4#
AD9
AD8
GCKE
14 HD43#
HD0#
AD0
AD4
CSB7#
15 HD40#
HD3#
AD7
AD6
MAA7
16 HD36#
HD8#
C/BE0#
AD2
MAA13
17 HD35#
HD5#
AD5
AD1
MAA14
18 HD44#
HD9#
AD3
CLKRUN#
19 HD34#
HD6#
MD34
WSC#
RBF#
GREQ#
ST1
PIPE#
ST0
SB-STB
GAD31
GAD29
GAD27
GAD23
GAD25
GAD17
GC/BE2#
GFRAME#
GTRDY#
GAD21
GPAR
GAD19
GAD15
GGNT#
ST2
GCLKIN
GAD26
GCLKO
GAD24
GC/BE3#
GAD30
GAD22
GAD20
GAD-STBB
GAD16
GAD18
GSTOP#
GIRDY#
GAD28
GC/BE1#
GAD12
GAD10
MAB14
MECC2
DQMA6
DQMA7
MD48
MD50
MD49
MD51
MD52
MD53
MD59
MD55
MD54
MD57
MD58
MD56
MD61
MD62
MD63
DQMA2
DQMA3
MECC6
MECC7
MECC3
MD16
MD17
MD18
MD19
MD21
MD20
MD22
MD23
MD24
MD27
MD28
MD29
MD25
MD31
82443GX Host Bridge Datasheet
6-5