AC450NX Rack Server System Product Guide
176

Grand Connector to Mem A, J4 and Mem B, J1

Signals
Pins A B C D E
1MD#(35) GND MD#(34) GND MD#(33)
2GND MD#(32) GND MD#(31) +1.5V
3MD#(30) GND DSTBN1# GND MD#(29)
4GND MD#(28) GND MD#(27) GND
5MD#(26) GND DSTBP1# GND MD#(25)
6GND MD#(24) GND MD#(23) +1.5V
7MD#(22) GND MD#(21) GND MD#(20)
8GND GND GND MD#(19) GND
9MUXCLK0 GND MD#(17) GND MD#(18)
10 GND GND GND

Was DSEL#

GND
11 MRESET# GND

Was DOFF0_L

GND

Was DOFF1_L

12 GND MD#(16) GND MD#(15) +1.5V
13 MD#(14) GND MD#(13) GND MD#(12)
14 GND MD#(11) GND MD#(10) GND
15 MD#(9) GND DSTBP0# GND MD#(8)
16 GND MD#(7) GND MD#(6) +1.5V
17 MD#(5) GND DSTBN0# GND MD#(4)
18 GND MD#(3) GND GND GND
19 MD#(2) GND MD#(1) GND SPARECLK0
20 GND MD#(0) GND GND GND
21 TCK GND TDI GND TMS
22 GND TRST# GND MA#(13) GND
23 MA#(12) GND MA#(11) GND MA#(10)
24 GND MA#(9) GND MA#(8) +1.5V
25 MA#(7) GND MA#(6) GND MA#(5)
26 GND MA#(4) GND GND GND
27 MA#(3) GND MA#(2) GND RCGCLK
28 GND MA#(1) GND GND GND
29 MA#(0) GND CSTB# GND ROW#
30 GND CMND1# GND BANK0# +1.5V
31 BANK1# GND BANK2# GND CMND0#
32 GND CARD# GND GND GND
33 PHIT# GND RCMPLT# GND SPARECLK1
34 GND RHIT# GND GND GND
35 Unused GND Unused GND Unused
36 GND MD#(71) GND MD#(70) GND
37 MD#(69) GND MD#(68) GND MD#(67)
38 GND MD#(66) GND MD#(65) +1.5V
39 MD#(64) GND DSTBN3# GND MD#(63)
continued