Dell PowerEdge C6145 Hardware Owner's Manual page 108

Figure 3-18. Memory Slot Locations
1 DIMM A1_CHA
3 DIMM A3_CHB
5 DIMM A5_CHC
7 DIMM A7_CHD
9 DIMM C1_CHA
11 DIMM C3_CHB
13 DIMM C5_CHC
15 DIMM C7_CHD
17 DIMM D8_CHD
19 DIMM D6_CHC
21 DIMM D4_CHB
23 DIMM D2_CHA
25 DIMM B8_CHD
27 DIMM B6_CHC
29 DIMM B4_CHB
31 DIMM B2_CHA
108 | Installing System Components
2 DIMM A2_CHA
4 DIMM A4_CHB
6 DIMM A6_CHC
8 DIMM A8_CHD
10 DIMM C2_CHA
12 DIMM C4_CHB
14 DIMM C6_CHC
16 DIMM C8_CHD
18 DIMM D7_CHD
20 DIMM D5_CHC
22 DIMM D3_CHB
24 DIMM D1_CHA
26 DIMM B7_CHD
28 DIMM B5_CHC
30 DIMM B3_CHB
32 DIMM B1_CHA