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Introduction
7
Mainboard Layout with Default Settings
The default settings of the following figure is for the Intel
MMX-166 with the 256K cache. For the best cooling effect,
make sure the airflow from the CPU fan is facing to the
heatsink.
PCI1
PCI SLOTS
PCI3
PCI2
SIMM4
SIMM3
SIMM2
SIMM1
COM1
COM2
IDE2
IDE1
Power
KB1
PCI4
PS/2
PRT1
FDC1
Giga I/O
82371SB
82437VX
PB
SRAM
PB
SRAM
82438VX
82438VX
ISA SLOTS
USB
Pentium
MMX
CPU
+
–
BAT
JP12
JP11
1
BIOS
TAG
1
JP2
JP3
1
JP6
1
JP14
1
Reset
Power LED
SPK
T/LED
J2
IR CON
HD/LED
J1
SMI
Keylock
JP23
JP22
JP21
Heat Sink
Air Flow
Figure 1Ð1. SLÐ53A2/A5 Motherboard Layout