user manual

5-12 Computer Group Literature Center Web Site
Transition/Bridge Modules
5
Floppy Port Connector (J17)
The CPX750HATM provides a 34-pin header (J17) to interface to a floppy
disk drive. The pin assignments and signal mnemonics for this connector
are listed in the next table.
+5Vdc Power Connector (J14)
The CPX750HATM has a 4-pin header that can be used to provide +5Vdc
power to offboard devices. This power is derived from the fused +5Vdc
power on the CPX750. Any external device powered from this connector
Table 5-10. Floppy Connector (J17)
Pin Signal Signal Pin
1 GND No Connect 2
3 GND No Connect 4
5 GND No Connect 6
7 No Connect INDEX_L 8
9 GND MTR0_L 10
11 GND DS1_L 12
13 No Connect DS0_L 14
15 GND MTR1_L 16
17 No Connect DIR_L 18
19 GND STEP_L 20
21 GND WDATA_L 22
23 GND WGATE_L 24
25 GND TR0_L 26
27 GND WPROT_L 28
29 GND RDATA_L 30
31 GND HDSEL_L 32
33 GND DSKCHG_L 34