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Introduction
3
Mainboard Setting for Pentium MMX-166
The settings of the following figure is for the Pentium MMX-
166 with the 256K cache. To get the best cooling effect, make
sure that the airflow from the CPU fan is facing the heatsink.
(MMX is dual voltage CPU, do not use this setting if CPU is
not MMX or 6x86L.)
PCI4
PCI SLOTS
PCI2
PCI3
SIMM1
SIMM2
SIMM3
SIMM4
SIMM5 (3.3V Unbuffered type)
SIMM6 (3.3V Unbuffered type)
IDE2
IDE1
Power
KB1
PCI1
MS1
FDC1
8680
Giga I/O
82371SB
82437VX
PB
SRAM
PB
SRAM
82438VX
82438VX
ISA SLOTS
Pentium
MMX
Socket 7
ZIF Socket
+
–
BAT
JP11
JP10
1
PRT
COM1
COM2
IMISC610
JP2
JP3
JP4
1
Reset
Power LED
SPK
T/LED
J2
IR CON
HD/LED
J1
SMI
Keylock
Heat Sink
#1
#2
#3
#4
USB
1
TAG
JP8
JP6
1
JP7
1
2
5
6
BIOS
Heat Sink
1
4
7
JP9
Air Flow
Figure 1Ð1. SLÐ54A2/A5 Motherboard Layout