ISA Slot 4
ISA Slot 3
ISA Slot 2
ISA Slot 1
PCI Slot 1
Bank 0
Bank 0
Bank 1
Bank 1
Keyboard
CON
PCI Slot 2
PCI Slot 3
PCI Slot 4
Primary IDE
RTC
Secondary IDE
82371FB
Socket 7 A
P54C
Heat
Sink
J21
J26
J31
J28
J29
J30
J16
J24
J27
J25
PWR CON. 5V
Synchronous
SRAM
J1
J10
BIOS
AMI/AWARD
J17
Cache Size
J22
J1
J23
2-3
1-2
On
Off
Off
On
256KB
512KB
1
J7
J8
J9
J13
1
1 1
1
1
1
J20
J25: Keylock
J17: Reset
J21: Turbo LED
J16: Turbo Switch
J26: Speaker
J20: IDE LED
P i n 1
1
J18
J19
J14
J15
J22
J23
82438FX 82438FX
82437FX
S1466 Board Layout Rev 02
3.3 On Board Resource Setting
PCB Rev 02
J18 J19 J14 J15 CPU Speed
On On Off Off 75 MHz
On Off Off Off 90 MHz
Off On Off Off 100 MHz
On Off On Off 120 MHz
Off On On Off 133 MHz
On Off On On 150 MHz
On On Off On 150 MHz
Off On On On 166 MHz
KB CTR
* The following jumpers must be left at the default positions.
J30:Closed J9:1-2
J7:1-2
J13: 2-3 *All other jumpers are reserved.
J8:1-2
S1461/6-001-01
9