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AOpen DX2G Plus System Board
1-5
1.3
Layout
Figure 1-1 shows the system board components.
1
Mouse port
2
Keyboard port
3
Serial port 2
4
Parallel port
5
Serial port 1
6
USB connectors
7
RJ-45 LAN connector
8
LAN controller
9 AGP slot
10
PCI slots
11
ISA slot
12
Intel 82371EB PIIX4E (PCI-
ISA bridge)
13
Intel 21152 (PCI-PCI bridge)
14
Buzzer
15
Adaptec 7896 SCSI controller
16
Battery
17
Feature Connector (supports Intel
SMM cards)
18
System BIOS
19
RDM connectors
20
Channel 2 fast/narrow SCSI
connector (50-pin)
21
Channel 1 Ultra-wide/Ultra-2 SCSI
connector (68-pin)
22
Channel 2 Ultra-wide/Ultra-2 SCSI
connector (68-pin)
23
FDD connector
24
EIDE connector 2 (secondary
channel)
25
EIDE connector 1 (primary
channel)
26
DIMM sockets
27
Intel 443GX system controller
28
AT power connector
29
ATX power connector
30
Acer H90 / IDM(W) power
connectors
31
Slot-2 CPU sockets
Figure 1-1
System Board Layout
1
2
3
4
5
6
7
8
10
11
13
12
14
15
16
18
19
20
21
22
23
27
31
29
30
25
24
26
17
9
28