Floppy/CDROM and Floppy/DVD Module Interface AssembliesSR2300 2U Server Chassis Technical Product Speci
Intel Order Number A94546-004
48
7.1.1
FDD Signal Interface
The floppy signal interface uses a 20-pin high density connector (Molex 52271-2690). The
connector pin-out is shown below.
Table 24. FDD Interface Connector (J1) Pin-out
Pin
Signal Name
Signal Name
Pin
1 VCC
FDD_STEP_L 14
2 FDD_INDEX_L GND
15
3 VCC
FDD_WDATA_L
16
4 FDD_DS0_L
GND
17
5 VCC
FDD_WGATE_L
18
6 FDD_DSKCHG_L
GND
19
7 NC
FDD_TRK0_L 20
8 NC
GND
21
9 NC
FDD_WPROT_L
22
10 FDD_MTR0_L
GND
23
11 NC
FDD_RDATA_L 24
12 FDD_DIR_L
GND
25
13 FDD_DENSEL_0 FDD_HDSEL_L 26
7.1.2
CD/FDD Signal Interface
The CD/FDD module signal interface uses an 80-pin SCA2 male connector (AMP* 1123283-9)
The connector pin-out is shown below.
Figure 27. Floppy/CDROM Daughter Board
Table 25. SCA2 CD/FDD Interface Connector (J3) Pin-out
Pin
Signal Name
Signal Name
Pin
1 NC
GND
41
2 NC
GND
42
3 NC
GND
43
4 NC
GND
(Drive Present Signal ON)
44
Содержание SR2300 - FRONT BEZEL BLK
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