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M1531 Pin Diagram (top View) - Acer 390 Series Service Manual

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2.2.1.2
Pin Diagram
1
2
3
A
NC
AD3 AD6
PHLDAJ
B BEJ0 PHLDJAD2 AD5
C BEJ3 BEJ2 BEJ1 AD4
D BEJ6 BEJ5 BEJ4 AD0
E DCJ
HITMJ
EADSJ
F
BRDYJ BOFFJ
SMIACTJ
G HD63
CACHEJ AHOLD
H HD60 HD61
HD62
J
HD55 HD56
HD57 HD58
K HD51 HD52
HD53
L
HD46 HD47
HD48
M HD41 HD42
HD43 HD44
N HD36 HD37
HD38 HD39
P HD31 HD32
HD33
R
HD27
HD26
HD28
T
HD21 HD22
HD23
U HD16 HD17
HD18
V HD15 HD14
HD13
W HD12 HD11
HD10
Y HD9
HD8
HD7 HD4
Figure 2-2

M1531 Pin Diagram (Top View)

Major Chips Description
4
5
6
7
8
AD8 AD12 PAR
TRDYJ
AD7 AD11 CBEJ1
DEVSELJ
AD10 AD15
CBEJ0
STOPJ
AD1 AD9
AD14
LOCKJ FRAMEJ
BEJ7
RSTJ
AD13
SERRJ
PCIMRQJ
ADSJ VCC_B
HLOCKJ
KENJ NAJ
VCC_A
WRJ MIOJ
GND GND GND GND GND GND
GND GND GND GND GND GND
HD59
HD54 HCLKIN
GND GND GND GND GND GND
HD49
GND GND GND GND GND GND
HD50
GND GND GND GND GND GND
HD45
GND GND GND GND GND GND
HD40
HD34
HD35 VCC_A
HD29
HD30 VDD5
VCC_A
HD24
HD0
A12
A5
HD25
HD19
HD1
A13
A8
HD20
HD6
HD3 A17
A14
A10
HD5
HD2 A18
A15
A11 A7
A20 A19
A16
A9
9
10
11
12
13
AD17
AD22
AD25 AD30
REQJ3
AD16 AD21 AD24
AD29
REQJ2
AD20 CBEJ3 AD28
CBEJ2
REQJ1
AD27
AD19 AD23
REQJ0 MPD7 MPD3 MD55 MD23
IRDYJ
AD18 PCLKIN AD26
AD31
M1531
GWEJ
TWEJ MAA0 MAA1TIO8 TIO9 TIO10
CADVJ
COEJ
CCSJ
TIO0 TIO1
BWEJ CADSJ
A4
A29 A25
A24
A23
A30 A31
A22
A21
A6
A3
A28
A26
A27
14
15
16
17
18
GNTJ3 MPD2 MPD0
MD61 MD29 MD62
GNTJ2
MPD1 MD63
MPD5
MD27 MD60
GNTJ1
MD30 MD25 MD58 MD26 MD59
MPD4
GNT0J
MD56
MD31
MPD6
MD20 MD53
MD21 MD54
VCC_C MD50
MD18 MD51 MD19 MD52
VCC_C
MD15 MD48 MD16 MD49 MD17
VCC_C
MD45 MD13 MD46
MD43 MD11 MD44
MD10
MD40
MD8
MD41
MD5 MD38
MD6
MD35 MD3
MD36
MD1 MD34 MD2
VDD5S
GNTJ4
REQJ4
32K
VCC_C
MD32
SUSPEND
VCC_C
RASJ7
VCC_B
RASJ6
CASJ2
RASJ1
MAB1 MA5 MWEJ
MAB0
RASJ4
TIO2 MA2
MA4 MA8
CASJ5
TIO4 TIO6 MA3 MA7
MA10
TIO3 TIO5 TIO7 MA6
MA9 MA11 NC
19
20
MD28
MD24 MD57
MD22
MD47
MD14
MD12
MD9
MD42
MD39 MD7
MD4
MD37
MD0
MD33
CASJ7 CASJ3
RASJ0 CASJ6
RASJ3 RASJ2
CASJ1 RASJ5
CASJ4
CASJ0
2-23

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