Dell DX6000 Hardware Owner's Manual page 182

Item Connector
19 A1
A4
A7
A2
A5
A8
A3
A6
A9
20 PWR2
21 PWR1
22 ISCSI_KEY
182
Jumpers and Connectors
Description
memory module slot A1(white release lever)
memory module slot A4
memory module slot A7
memory module slot A2(white release lever)
memory module slot A5
memory module slot A8
memory module slot A3(white release lever)
memory module slot A6
memory module slot A9
Power supply connector for PS2
Power supply connector for PS1
NIC hardware key