5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
KEYRESERVED
5V/100mA for AUDIO CODEC
CD ROM AUDIO
LINE IN
(LIGHT BLUE)
RA=(VOUT/1.216-1) * RB
RA
RB
4.5V/1.5A for AUDIO AMPLIFIER
Note:
Single-ended amplified outputs defined in eATX
replaced by differential outputs (4 times output
power)! DO NOT CONNECT TO GROUNDED SPEAKERS!!
HEADPHONE
OUT (LIME)
AUDIO planar header
MIC (PINK)
planar header <-
AUDIO AMPLIFIER
(2 x 2.2W)
B444B-W
2.00
AC97-AD1885
Intel (R) 845E Interactive Client Reference Design
C
23 35Monday, April 21, 2003
Title
Size Document Number Rev
Date Sheet of
AUD_MIC_IN
AUD_MIC_BIAS
AUD_OUT_R
AUD_OUT_L
AUD_AMP_R+
AUD_AMP_L+
AUD_RET_L
AUD_RET_R
AUD_VREF
ACXTL_IN
ACXTL_OUT
CK_ACBITX
SPKRX
AUD_SPKR
AUD_MONO
AUD_PHONEIN
JS0
AUD_CDR_INX
AUD_CDGND_IN
AUD_CDL_IN
AUD_CDR_IN
AUD_CDGND
AUD_CDR
AUD_LINR_INY
AUD_LINL_INY
AUD_CDL
AUD_LINL_INX
AUD_CDGND_INX
AUD_CDL_INX
AUD_LINR_INX
AUD_LINR
AUD_LINL
ADJ_VAMP
EN_VAMP
AUD_AMP_R-
AUD_AMP_L-
AUD_HPROUT
AUD_HPLOUT
JS1YJS1XJS1
AUD_HPR
AUD_HPL
AUD_OUT_R
AUD_OUT_L
AUD_RET_R
AUD_RET_L
AUD_MIC_IN1
AUD_VREFOUT
AUD_MIC_BIAS
AUD_MIC1
AUD_MIC_IN1X
AUD_MIC2
AUD_MIC_IN
AUD_LINOUTR
AUD_LINOUTL
CX3D
AUD_MIC_INX
AUD_AMP_L+
AUD_HPIN
AUD_AMP_R+
AUD_INB-
AUD_AMP_R-
AUD_AMP_L-
AUD_AMPBYP
AUD_INA-
AUD_INAX-
AUD_INBX-
FILT_R
FILT_L
AFILT2
AUD_LINL_IN
AFILT1
RX3D
AUD_LINR_IN
AUD_MICBIAS1
GND_ AUD
GND_ AUD
GND_AUD
GND_ AUD
GND_ AUD
GND_AUD
GND_ AUD GND_ AUD GND_ AUDGND_A UD
GND_AUD
GND_AUDGND_ A UDGND_ AUDGND_ A UD
GND_AUD
GND_AUD
GND_ AUD
GND_ AUD GND_ AUD
GND_AUD
GND_AUD GND_AUD
GND
GNDGND GND
GND
GND GND GND
GND
GND GND
GND
GND GND
GND
GND
GND
GND_ AUD
V_12V0
V_3V3
V_3V3
V_3V3
V_5V0
V_5V0
V_5VAUD
V_5VAUD
V_5VAUD
V_5VAUD
V_5VAUD
V_AMP
V_AMP
V_AMP
V_AMP
SHIELD
SHIELD
GND_ AUD SHIELD GND_ AUD
GND_ AUD
GND_ AUD SHIELD
V_3V3
GND
GND_AUD
GND_AUD
GND_AUD
C400
100nA
XXX2
R479
47KA
XXX2
U16
AD1885JST
XXX2
4
1
7
9
38
42
25
26
40
44
43
12
24
23
21
22
20
18
19
17
16
14
15
13
37
36
35
41
39
29
30
32
31
33
34
27
28
3
2
11
5
8
10
6
46
45
48
47
DVSS1
DVDD1
DVSS2
DVDD2
AVDD2
NC
AVDD1
AVSS1
AVSS2
AVSS3
AVDD3
PC_BEEP
LINE_IN_R
LINE_IN_L
MIC1
MIC2
CD_R
CD_L
CD_GND_REF
VIDEO_R
VIDEO_L
AUX_L
AUX_R
PHONE_IN
MONO_OUT
LINE_OUT_R
LINE_OUT_L
HP_ OUT_R
HP_ OUT_L
AFILT1
AFILT2
FILT_L
FILT_R
RX3D
CX3D
VREF
VREFOUT
XTL_OUT
XTL_IN
RESET#
SDATA_OUT
SDATA_IN
SYNC
BIT_CLK
ID1
ID0
JS1
JS0
C413
1u/CA
XXX2
FB73
BLM11A601SPT
XXX2
C454
100nA
XXX2
R471
4K7A
XXX2
R476
10KA
XXX2
FB69
BLM11A601SPT
XXX2
C424
470pA
XXX2
C443
100nA
XXX2
R481
18KA
XXX2
C446
100nA
XXX2
C436
100nA
XXX2
R48018KA
XXX2
C449
100pA
XXX2
C409
1u/CA
XXX2
R458
1KA
XXX2
R466
10KA
XXX2
R461
4K7A
XXX2
+
C441
1u/TCXXX2
+
C428
100u/TA
XXX2
C418
100nA
XXX2
FB75
BLM41P600SPT
XXX2
CN12B
SW15/XJ
XXX2
9
8
7
6
1
14
15
16
17
C403
470pA
XXX2
+
C415
1u/TC
XXX2
R474
0RA
XXX2
C432
100nA
XXX2
+
C426
1u/TC
XXX2
C414
1u/CA
XXX2
D3
BAT54
XXX2
R459
2KA
XXX2
R469
4K7A
XXX2
C411
470pA
XXX2
R475
0RA
XXX2
C442
47nAXXX2
R465
4K7A
XXX2
R484
10KA
XXX2
R487
18KA
XXX2
R470
47KA
XXX2
FB71
BLM11A601SPT
XXX2
+
C421
100u/TA
XXX2
+
C444
100u/TA
XXX2
C437
100nA
XXX2
C419
22pA
XXX2
C408
1u/CA
XXX2
R48518KA
XXX2
+
C456
1u/TC
XXX2
C402
470pA
XXX2
C434
100nA
XXX2
C425
100nA
XXX2
C399
100nA
XXX2
+
C440
1u/TCXXX2
C438
220pAXXX2
FB70
BLM11A601SPT
XXX2
FB72
BLM11A601SPT
XXX2
R468
2KA
XXX2
C458
100nA
XXX2
R457
10KA
XXX2
CN13
SM04/CE
XXX2
1
2
3
4
+
C435
22u/TA
XXX2
R463
4K7A
XXX2
CN14
SM14/SA
XXX2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
R467
2KA
XXX2
C401
1u/CA
XXX2
U17
LM4863MTE
XXX2
6
8
14
15
13
1
20
2
7
9
10
11
12
19
5
3
16
18
4
17
INA-
INA+
BYPA
INB-
INB+
SHDN
HP- IN
GND
GND
GND
GND
GND
GND
GND
OUTA-
OUTA+
OUTB-
OUTB+
VDD
VDD
C439
220pAXXX2
C410
470pA
XXX2
R483
18KA
XXX2
R462
4K7A
XXX2
FB68
BLM11A601SPT
XXX2
C405
470pA
XXX2
R473
4K7A
XXX2
+
C427
1u/TC
XXX2
C417
1u/CA
XXX2
+
C457
1u/TC
XXX2
R488
6K8A
XXX2
C407
100nA
XXX2
C412
10pA
XXX2
C420
22pA
XXX2
C416
1u/CA
XXX2
U19
78L05ACM
XXX2
8 1
2
3
6
7
4
5
VIN VOUT
GND
GND
GND
GND
NC0
NC1
XT 3
24MHZ5760/QA
XXX2
+
C422
100u/TA
XXX2
R477
10KA
XXX2
R472
2KA
XXX2
+
C406
10u/UC
XXX2
R478
47KA
XXX2
CN12C
SW15/XJ
XXX2
13
12
11
10
1
14
15
16
17
C404
1u/CA
XXX2
C430
100nA
XXX2
R464
33RA
XXX2
FB74
BLM11A601SPT
XXX2
U18
LP3965EMP-ADJ
XXX2
2
4
5
1
3
VIN
ADJ
GND
SDHN#
VOUT
C423
470pA
XXX2
R486
10KA
XXX2
R482
10KA
XXX2
R460
4K7A
XXX2
C448
100nA
XXX2
CN12A
SW15/XJ
XXX2
5
4
3
2
1
14
15
16
17
SPKR16,33
MPCI_AUDIN29
AMP_SHDN16
CK_ACBITCLK 16,29
AC_SDIN2 16
MPCI_AUDOUT 29
AC_SYNC 16,29
AC_SDOUT 16,29
AC_RST# 16,29
V_3V36,8,12,15..17,19,20,26..29,33,35
V_5V017,19..21,25..27,29..35
V_5VAUD29
V_AMP
SHIELD21,25,27,31,32
GND_AUD29
GND4,7,8,10..22,24..35