AC450NX Rack Server System Product Guide
280

Blind Mate Connector J1

Signals
Pins A B C D E
1 RESET(1) GND DD8 (4) GND FD_DSKCHG_L
2 DD7 (3) GND DD9 (6) GND FD_HDSEL_L
3 DD6 (5) GND DD10 (8) GND FD_RDATA_L
4 DD5 (7) GND DD11 (10) GND FD_WPROT_L
5 DD4 (9) GND DD12 (12) GND FD_MSEN0
6 DD3 (11) GND DD13 (14) GND FD_TRK0_L
7 DD2 (13) GND DD14 (16) GND FD_WGATE_L
8 DD1 (15) GND DD15 (18) GND FD_WDATA_L
9 DD0 (17) GND GND GND FD_STEP_L
10 GND GND DIOW (23) GND FD_DIR_L
11 DMARQ (21) GND CSEL (28) GND FD_MSEN1
12 GND GND DIOR (25) GND F D_MTR1_L
13 IORDY (27) GND GND GND F D_DR0_L
14 DMACK (29) GND RESERVED (32) GND FD_DR1_L
15 GND GND PDIAG (34) GND F D_M T R0_L
16 INTRQ (31) GND DA2 (36) GND F D_INDEX_L
17 DA1 (33) GND CS0 (37) GND FD_DRATE0
18 DASP (39) GND DA0 (35) GND KEY
19 GND GND CS1 (38) GND N/C
20 GND GND GND GND FD_DENSEL
21 GND G ND GND GND OEM 1
22 GND G ND S 68 (-DB 11) GND OEM 2
23 GND G ND S 34 (+DB 11) GND OEM 3
24 GND GND S65 (-DB8) S32 (+DB 9) S67 (-DB 10)
25 +12v +12v S31 (+DB 8) S66 (-DB 9) S 33 (+DB 10)
26 +12v +12v S62 (-C/D) S29 (+REQ) S64 (-I/O)
27 +12v +12v S28 (+C/D) S63 (-REQ) S30 (+I/O)
28 +12v +12v S59 (-RST) S26 (+MSG) S61 (-SEL)
29 +12v +12v S25 (+RST) S60 (-MSG) S 27 (+SE L)
30 +12v +12v S56 S23 (+BSY) S58 (-ACK)
31 +12v +12v S22 S57 (-BSY) S24 (+ACK)
32 +12v +12v S53 (RESERVED) S20 S55 (-ATN)
33 +12v +12v S19 (RESERVED) S54 S21 (+ATN)
34 +12v +12v S50 S17 (TERMPWR) S52 (TERMPWR)
35 +12v +12v S16 (DIFFSENS) S51 (TERMPWR) S18 (TERMPWR)
36 +12v +12v S47 (-DB 7) S14 (+DB P) S49
37 +5v +5v S13 (+DB 7) S48 (-DB P) S15
38 +5v +5v S44 (-DB 4) S11 (+DB5) S46 (-DB 6)
39 +5v +5v S10 (+DB 4) S45 (-DB 5) S 12 (+DB 6)
40 +5v +5v S41 (-DB 1) S8 (+DB 2) S43 (-DB 3)
41 +5v +5v S7 (+DB 1) S42 (-DB 2) S9 (+DB 3)
42 +5v +5v S38 (-DB 15) S5 (+DB P1) S 40 (-DB 0)
43 +5v +5v S4 (+DB 15) S39 (-DB P1) S6 (+DB 0)
44 +5v +5v S35 (-DB 12) S2 (+DB 13) S37 (-DB 14)
45 +5v +5v S1 (+DB 12) S36 (-DB 13) S3 (+DB 14)
46 +5v +5v GND GND GND
47 +5v +5v GND SDA Reserved
48 +5v +5v GND PWR_GOOD SCL