440EX/LX AT
MAINBOARD
HARDWARE SETUP
3-3
(2)
SYNCHRONOUS DRAM
DRAM
DRAM
DRAM
TOTAL SIZE
Technology Depth
x
Address
Singled-Density
Doubled-Density
Width
Row
x
Col 1 DIMM 2 DIMMs 1 DIMM 2 DIMMs
16 Mbit * 1M
x
16 11
x
8
8 MB
16 MB
32 MB
64 MB
16 Mbit * 2M
x
8
11
x
9
16 MB
32 MB
64 MB
128 MB
64 Mbit * 2M
x
32 11
x
9
16 MB
32 MB
64 MB
128 MB
64 Mbit * 2M
x
32 12
x
8
16 MB
32 MB
64 MB
128 MB
64 Mbit * 4M
x
16 11
x
10
32 MB
64 MB
128 MB
256 MB
64 Mbit * 4M
x
16 13
x
8
32 MB
64 MB
128 MB
256 MB
64 Mbit * 8M
x
8
13
x
9
64 MB
128 MB
128 MB
256 MB
64 Mbit ** 2M
x
32 11
x
8
16 MB
32 MB
64 MB
128 MB
64 Mbit ** 4M
x
16 12
x
8
32 MB
64 MB
128 MB
256 MB
64 Mbit ** 8M
x
8
12
x
9
64 MB
128 MB
128 MB
256 MB
Note : *
Using the 2-bank SDRAM DIMM modules.
** Using the 4-bank SDRAM DIMM modules.
3.2
CONNECTORS
The connectors on mainboard will be used to connect the accessories or peripheral
devices (such as power, mouse, printer,...etc.). Following is the connectors with its
description and pin assignment which is designed on the mainboard.
(A) BAT1:
Battery Socket
(Use the 3 Volts Lithium battery : CR2032)
CN4
CN 5
BAT 1
CN
1
SYS
.
B
IO
S
+
-
CN10
CN11
CN6
SLO
T
1
CN
7
CN
9
CN 8
CN 16
CN
1
5
CN
1
4
CN17
CN18
RS
HL
TL
SL
PW
PL KBLOC K
SPKR
JP 7
JP 8
JP 9
JP 3
JP
4
JP
5
JP
6
JP 11
CN 8
CN
1
9
BAT1: Battery Socket
Pin# Pin name Pin# Pin name
+
Battery Positive
-
Ground
