3-4
PCV-R532DS/R536DS/R538DS/R539DS
•
ex20dB +25dB boost add for MIC IN input(Single Powered OP-amp required)
•
+6dB boost with power amplifier add for HEADPHONE OUT
( T
exas
Instrument TP
A302
or
equivalent)
•
SNR +85dB, THD +80dB ( LINE IN to LINE OUT
,
1kHz sine wave, 0dB=1 V
rms)
•
EMI filters( or equivalent consideration) on HEADPHONE OUT/LINE IN/GAME POR
T
for
FCC/VCCI
•
SPDIF digital serial output can be implemented on paddle card (default is no mount).
•
SPDIF digital serial output support the
48kHz
sampling rate.
•
Pop
noise
cancel
function.
•
•
•
•
Audio enable/disable control circuit and controlled by the BIOS.
3-2-10-1
Electret
Bias
V
olta
g
e
This specification came from the SONY
T
echnical
Standards.
V
oltage
of the terminal
Open-circuit voltage of the terminal shall be 2.5V +0.5 / -0.1 V
.
Short-circuit
current
of
the
T
erminal
When each
terminal of
a
jack
is
shorted,
short-circuit
current
shall
be
65mA
or
less.
Input
Impedance
Direct current : 4.8k ohm to 7.8k ohm
Alternative current : 3.0k ohm or more.
3-2-11
AG
P Graphics
•
2x
AGP
interface
•
Support
for
AGP
retention
module
3-2-10
P
C
I
A
udio
•
AC97
codec
AKM4542
•
PCI
audio
controller
Aureal
AU8830
•
Legacy DOS support (based on TSR emulation)
Confidential
MICIN
LINEIN
HEADPHONEOUT
+25dB
Specs(tentative)
Notes
Line In
1V
rms(
typ)
2V
rms(max)
10k ohm impedance
1.5 V
rms(max)
32
ohm
load(drive headphone)
Headphoneout(line
out)
2 V
rms(max)
10k ohm load
M
ic
I
n
0.1 V
rms(max)
Codec
Boost Of
f
Codec
+6dB
3-2-13
Batter
y Requirements
•
T
ype
2032, 3V coin battery with socket on motherboard
•
Battery life greater than 3 years on motherboard ( without AC power supply)
3-2-14
Other
K
e
y
Components
•
Super
I/O
Controller
•
PIIX4e
PCI-IDE
controller
•
2Mbit Flash ROM
3-2-15
Reliability
•
MTBF over xxxx [TBD]
3-2-16
Mother
Boar
d
En
vir
onment
Specification
Parameter
Specification
Note
T
emperature Non-operating
-40
°
C to +70
°
C
Operating
0
°
C to +55
°
C
Shock
[TBD]
V
ibration
[TBD]
3-2-17
P
o
wer
Suppl
y
/Consumption
The motherboard should meet the following power supply tolerance.
-5V supply is not used in this motherboard ( -5V connect only the voltage monitor circuit )
DC V
oltage
Acceptable T
olerance
+3.3V
±
5%
+5V
±
5%
+5V STB
±
5%
+12V
±
5%
-12V
±
5%
When installed in micro A
TX
chassis with SFX power supply
,
Pentium II 350/100MHz,64MB
PC100 DIMM,3.5-inch floppy drive,8GB IDE hard drive,2X IDE DVD-ROM drive, and PCI
MODEM card, the following table is provided as a guide for power consumption,
Mode
AC(watts) out of 120V
AC
Outlet
Windows98 desktop
[TBD]
Windows98 desktop, sleep mode(S1)
< 25W
Windows98 desktop, sleep mode(S3)
< 15W
3-2-12
IEEE1394
OHCI
•
T
exas
Instrument
TSB41L
V03A
PHY
(physical
layer)
•
T
exas
Instrument TSB12L
V22
LINK (link layer)
•
Power
provide
+12V
,
5W/port
•
Isolation
between
LINK
and
PHY
•
EMI filters( T
OKO
857CM-009 ) on the IEEE1394 Front access header / Rear access
option header / Rear connector for FCC/VCCI
•
IEEE1394 enable/disable
control circuit and controlled by the BIOS.
