Date: August 21, 1997
Sheet 19
of 23
Size Document Number
REV
A3
96183
SD
Title
390 ACERNOTE LIGHT
RTC & BIOS ROM
ACER TAIPEI TAIWAN R.O.C
3,14,17,21
3,13
XD[0..7]
SD[0..7]
3
$IRQ8#
+3.3V
1
2
R250
1KR3
1
2
R249
10KR3
1
2
D3
S1N4148
XD7
XD6
XD5
XD4
XD3
XD2
XD1
XD0
DC_5VSB
3
3
3
3
22
1
2
R232
1KR3
C282
SCD1U
2
1
G2
GAP-OPEN 2
1
GY1
GAP-OPEN
VCC
24
CS#
13
AS
14
R/W#
15
DS
17
RST#
18
RCL#
21
EXTRAM
22
BC
20
X1
2
X2
3
AD7 11
AD6 10
AD5 9
AD4 8
AD3 7
AD2 6
AD1 5
AD0 4
INT# 19
32K 23
MOT 1
VSS 12
VSS 16
U22
BQ3285LD
RTCAS
RTC256
RTCRW
RTCDS
PWRGOOD#
+5V
+5V
1
2
X1
XTAL-32.768KHZ
1
2
BT1
BH-12
CX11
SC2P
CX10
SC2P
NOTE : Q8 ON BOARD , R346 JUST RESERVED PAD
3
1
2
3
Q7
2N7002
1
2
R247
DUMMY-R3
1
2
R248
10KR3
1
2
RX28
100KR3
1
2
R68
0R3
$OSC32KI
+5V
DC_5VSB
3
3
22
RSTDRV
XDIR
CHRG_IRQ
XDIR
XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7
1
2
3
4
5
6
7
8
RN6
SRN0
C98
SCD1U
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G
19
DIR
1
B1 18
B2 17
B3 16
B4 15
B5 14
B6 13
B7 12
B8 11
VCC 20
GND 10
U23
TSACT245
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
+5V
RESERVED
CONTROL FROM BOM
1
2
3
4
5
6
7
8
RN7
SRN0
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SKT1
SSKT32
XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7
3
C312
SCD1U
C311
SCD1U
3
2
1
Q13
S2N3906
MEMW#
XD7
XD6
XD5
XD4
XD3
XD2
XD1
XD0
3
3
3
3
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
29
A15
3
A16
2
CE
22
VCC 32
VSS 16
VPP 1
DQ0 13
DQ1 14
DQ2 15
DQ3 17
DQ4 18
DQ5 19
DQ6 20
DQ7 21
PGM 31
OE
24
A17/N.C 30
U7
S128K8-150
SA[0..15]
ROMKBCS#
MEMR#
BIOSA16
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15
3 FLASH_ON
3
1
2
R243
10KR3
3
1
2
Q14
RN1424
BIOSA17
+12V
PLCC ROM SOCKET
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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