Motorola CPX8216TCPX8216T ユーザーズマニュアル
6-8
Computer Group Literature Center Web Site
Subassembly Reference
6
Alarm Interface Connector (ALARM)
The alarm interface connector is located on the secondary side of the
backplane. Alarm signals are routed through the backplane to the ALARM
connector. The alarm board attaches to this connector by ribbon cable.
backplane. Alarm signals are routed through the backplane to the ALARM
connector. The alarm board attaches to this connector by ribbon cable.
Floppy Drive Connectors (FDA, FDB)
The backplane supports two standard IDE floppy drives. The floppy drive
connectors, FDA and FDB, are located on the secondary side of the
backplane. FDA is controlled by domain A, and FDB is controlled by
domain B.
connectors, FDA and FDB, are located on the secondary side of the
backplane. FDA is controlled by domain A, and FDB is controlled by
domain B.
Table 6-5. ALARM Connector Pin Assignments
Pin
Signal
Pin
Signal
1
ALM_A_CLK
2
GND
3
ALM_B_CLK
4
GND
5
ALM_A_DOUT#
6
ALM_A_5V
7
ALM_B_DOUT#
8
ALM_B_5V
9
ALM_A_FRAME#
10
ALM_B_FRAME#
11
ALM_A_DIN#
12
Table 6-6. FDA and FDB Pin Assignments
Pin
Signal
Signal
Pin
1
GND
Not Connected
2
3
GND
Not Connected
4
5
Key (pin missing)
Not Connected
6
7
GND
F_[n]_INDEX#
8
9
GND
F_[n]_MTRO#
10
11
GND
F_[n]_DS1#
12