Chapter 4 Troubleshooting Procedures 4-9
Note – Both DSIMMs in a memory bank have the same physical address range. The
last digit in the physical address reported determines which of the two DSIMMs in a
bank caused the memory error (see TABLE 4-6).
TABLE 4-5 Physical Memory Address Ranges for 1-Mbyte and 2-Mbyte SIMMs
Physical Memory Address Ranges
Bank SIMM # 1-Mbyte SIMMs 2-Mbyte SIMMs
1 U0304 0000000 through 01FFFFF 0000000 through 01FFFFF
1 U0303 0000000 through 01FFFFF 0400000 through 05FFFFF
2 U0301 2000000 through 21FFFFF 2000000 through 21FFFFF
2 U0302 2000000 through 21FFFFF 2400000 through 25FFFFF
3 U0402 4000000 through 41FFFFF 4000000 through 41FFFFF
3 U0401 4000000 through 41FFFFF 4400000 through 45FFFFF
TABLE 4-6 Determining the Defective DSIMM
If the physical address ends in . . . The defective DSIMM is in . . .
0, 1, 2, 3, 8, 9, A, or B
4, 5, 6, 7, C, D, E, or F
U0304, U0301, or U0402
U0303, U0302, or U0401
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