Example: Total Memory Of 24 Mbytes - HP 9000 300 Series Service Handbook

• Block addresses whose LSD is:
D
F, E, D, C, 7,
6,
5, or 4 are on the RAM board in slot RAM PAIR 0, the slot
closest to the controller's front.
o B, A, 9, 8, 3, 2, I, or 0 are on the RAM board in slot
RAM PAIR
0, in the
second slot back from the front.
A memory failure at address FF90A 7C416 is on the RAM board in slot
RAM
PAIR
0, the slot closest to the front.
Example: Total Memory of 24 Mbytes.
A controller having a total memory of
24 Mbytes with four RAM boards has:
• Two 8 Mbyte RAM boards located in slots RAM PAIR 0 that make up a
16
Mbyte block of memory with:
o An upper block address of FFFFFFFF1 6 .
D
A lower block address of FF00000016·
• Two 4 Mbyte RAM boards located in slots
RAM PAIR 1
that make up an 8
Mbyte block of memory with:
D
An upper block address of FEFFFFFF 16·
D
A lower block address of FE80000016·
• For each pair of RAM boardS, or memory block, whose LSD is:
oF, E, D, C, 7, 6, 5, or 4 are on the RAM board in the first slot closest to
the front of the pair.
o B, A, 9, 8, 3, 2, I, or 0 are on the RAM board in the rear-most slot of the
pair.
• FE90A7C41
6
is on the RAM board in slot
RAM PAIR 1
closest to the front.
4·10 Troubleshooting