Intel SR1425BK1 Product Specification - Page 26

CDROM or DVD-CDR Drive Use with or without Backplane present

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Intel® Server Chassis SC1400UP / Intel® Server Platform SR1425BK1-E 3.1.1.2 CDROM or DVD-CDR Drive Use with or without Backplane present Regardless of whether a backplane is present or not, the slim-line CDROM or DVD-CDR drive is mated with an interposer card which provides the power and IO interconnects between the drive, power supply and baseboard. The interposer card has three connectors; the first has 50 pins and is plugged directly into the drive connector. The connector has the following pinout. Table 5. 50-pin CD-ROM connector Pinout (J6) Name RSV_LCM RSV_GND RST_IDE_S_L IDE_SDD IDE_SDD IDE_SDD IDE_SDD IDE_SDD IDE_SDD IDE_SDD IDE_SDD GND IDE_SDIOW_L IDE_SIORDY IRQ_IDE_S IDE_SDA IDE_SDA IDE_SDCS0_L IDE_SEC_HD_ACT_L P5V P5V GND GND IDEP_ALE_H Pin Pin Name 1 2 RSV_RCM 3 4 GND 5 6 IDE_SDD 7 8 IDE_SDD 9 10 IDE_SDD 11 12 IDE_SDD 13 14 IDE_SDD 15 16 IDE_SDD 17 18 IDE_SDD 19 20 IDE_SDD 21 22 IDE_SDDREQ 23 24 IDE_SDIOR_L 25 26 GND 27 28 IDE_SDDACK_L 29 30 NC_IDEIO16_L 31 32 NC_CBL_DET_S 33 34 IDE_SDA 35 36 IDE_SDCS1_L 37 38 P5V 39 40 P5V 41 42 P5V 43 44 GND 45 46 GND 47 48 GND 49 50 52 Unused (50 pin or 52 pin) The second connector has 4 pins and is cabled to the 2x3 pin power lead from the power supply. The power cable for the drive is included in the SC1400UP in the form of a Y power cable. Both ends of the Y cable are necessary when a slimline CD/DVD is used in conjunction with a floppy installed in the hard drive bay. Both ends of this are identical and have the following pinout. Table 6. 4-pin CD-ROM power connector Pinout (J5) Pin Name 1 P12V 2 GND 3 GND 4 P5V Revision 1.0 - 26 -

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Intel® Server Chassis SC1400UP / Intel® Server Platform SR1425BK1-E
Revision 1.0
- 26 -
3.1.1.2
CDROM or DVD-CDR Drive Use with or without Backplane present
Regardless of whether a backplane is present or not, the slim-line CDROM or DVD-CDR drive
is mated with an interposer card which provides the power and IO interconnects between the
drive, power supply and baseboard. The interposer card has three connectors; the first has 50
pins and is plugged directly into the drive connector.
The connector has the following pinout.
Table 5. 50-pin CD-ROM connector Pinout (J6)
Name
Pin
Pin
Name
RSV_LCM
1
2
RSV_RCM
RSV_GND
3
4
GND
RST_IDE_S_L
5
6
IDE_SDD<8>
IDE_SDD<7>
7
8
IDE_SDD<9>
IDE_SDD<6>
9
10
IDE_SDD<10>
IDE_SDD<5>
11
12
IDE_SDD<11>
IDE_SDD<4>
13
14
IDE_SDD<12>
IDE_SDD<3>
15
16
IDE_SDD<13>
IDE_SDD<2>
17
18
IDE_SDD<14>
IDE_SDD<1>
19
20
IDE_SDD<15>
IDE_SDD<0>
21
22
IDE_SDDREQ
GND
23
24
IDE_SDIOR_L
IDE_SDIOW_L
25
26
GND
IDE_SIORDY
27
28
IDE_SDDACK_L
IRQ_IDE_S
29
30
NC_IDEIO16_L
IDE_SDA<1>
31
32
NC_CBL_DET_S
IDE_SDA<0>
33
34
IDE_SDA<2>
IDE_SDCS0_L
35
36
IDE_SDCS1_L
IDE_SEC_HD_ACT_L
37
38
P5V
P5V
39
40
P5V
P5V
41
42
P5V
GND
43
44
GND
GND
45
46
GND
IDEP_ALE_H
47
48
GND
49
50
52
Unused (50 pin or 52 pin)
The second connector has 4 pins and is cabled to the 2x3 pin power lead from the power
supply.
The power cable for the drive is included in the SC1400UP in the form of a Y power
cable. Both ends of the Y cable are necessary when a slimline CD/DVD is used in conjunction
with a floppy installed in the hard drive bay. Both ends of this are identical and have the
following pinout.
Table 6. 4-pin CD-ROM power connector Pinout (J5)
Pin
Name
1
P12V
2
GND
3
GND
4
P5V