Alpha Microsystems Eagle 250 Manuel d'entretien - Page 16

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Eagle 250 Service Manual
RETAINER
CLIP
Setting Memory Jumpers
After installing the SIMMs, set the jumpers at location JP7 on the AM-138 board according to the table
below. As you turn on the computer, AMOS will automatically make the memory available. See Figure 4
for the location of the JP7 jumpers.
The Bank 0 jumpers apply to the SIMM in J10; the Bank1 jumpers apply to the SIMM, if any, in JP11.
The correct jumper settings for each possible memory combination are shown in Table 4, below.
Rev. 01
MAKE SURE THIS CURVE
IN THE SIMM CARD ALIGNS
WITH PIN-1 IN THE SIMM
CONNECTOR.
Figure 8: AM-138 SIMM Module Installation
1
2
4

Figure 9: JP7 Memory Jumpers

SIMM (SINGLE INLINE
MEMORY MODULE)
RETAINER
CLIP
SIMM
CONNECTOR
PIN-1 INDICATOR
1
2
4
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