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AHIP6+ Manual
Configuration Options
Jumpers
The following tables list AHIP6+ jumpers, their default positions and their functions.
The jumpers marked "Access" are placed at the top of the board for easy customer
access.
Jumper
J1
J2
J3
J4
J5
J7
J18
Jumpers J14-J17 are used to select the internal CPU frequency multiplier and are
used in conjunction with J6, the host bus frequency select jumper. The configuration
of these five jumpers must match the frequency combination of the particular proces-
sor used according to the following table:
CPU Freq. MHz
FSB Freq. MHz
233
266
300
333
350
400
450
2-2
Table 2- 1. AHIP6+ Jumpers
Position
A
Push button reset switch DISABLED (Access)
B
Push button reset switch ENABLED
A
CMOS OK (Access)
B
Clear CMOS
A
Flat panel selected (Access)
B
CRT selected
A
Normal
B
Program the H8
A
normal flash boot
B
recovery flash boot
A
Boot flash enabled
B
Boot ROM enabled
A
VGA ENABLED
B
VGA DISABLED
Table 2- 2. Processor Frequency Combinations
A20M*
J14
66
IN
66
OUT
66
OUT
66
OUT
100
IN
100
IN
100
OUT
Function
IGNNE*
LINT1
J15
J16
OUT
IN
IN
IN
IN
IN
OUT
IN
OUT
IN
OUT
IN
IN
IN
LINT0
100/66*
J17
J6
OUT
A
IN
A
OUT
A
IN
A
OUT
B
IN
B
OUT
B
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