AC450NX Rack Server System Product Guide
224

Memory Connectors, J23 and J20: Rows A, B, & C (continued)

Signal Pin Signal Pin Signal Pin
PHIT[A,B]_L A33 GND B33 RCMPLT [A,B]_L C33
GND A34 RHIT[A,B]_L B34 GND C34
Reserved A35 GND B35 Reserved C35
GND A36 MD_L(71) B36 GND C36
MD_L(69) A37 GND B37 MD_L(68) C37
GND A38 MD_L(66) B38 GND C38
MD_L(64) A39 GND B39 DSTBN_L(3) C39
GND A40 MD_L(62) B40 GND C40
MD_L(60) A41 GND B41 DSTBP_L(3) C41
GND A42 GND B42 GND C42
MUXCLK1 [A,B] A43 GND B43 MD_L(56) C43
GND A44 GND B44 GND C44
MD_L(54) A45 GND B45 Reserved C45
GND A46 Reserved B46 GND C46
MD_L(53) A47 GND B47 MD_L(52) C47
GND A48 MD_L(50) B48 GND C48
MD_L(48) A49 GND B49 DSTBP_L(2) C49
GND A50 MD_L(46) B50 GND C50
MD_L(44) A51 GND B51 DSTBN_L(2) C51
GND A52 MD_L(42) B52 GND C52
MD_L(40) A53 GND B53 MD_L(39) C53
GND A54 MD_L(37) B54 GND C54

Memory Connectors, J23 and J20: Rows D & E

Signal Pin Signal Pin
GND D1 MD_L(33) E1
MD_L(31) D2 +1.5V E2
GND D3 MD_L(29) E3
MD_L(27) D4 GND E4
GND D5 MD_L(25) E5
MD_L(23) D6 +1.5V E6
GND D7 MD_L(20) E7
MD_L(19) D8 GND E8
GND D9 MD_L(18) E9
Reserved D10 GND E10
GND D11 Reserved E11
MD_L(15) D12 +1.5V E12
GND D13 MD_L(12) E13
MD_L(10) D14 GND E14
GND D15 MD_L(8) E15
MD_L(6) D16 +1.5V E16
continued