IBM ETX-DB-ATX ETX Connector, Floppy Disk Drive Connector, Etx-Db-Atx, CN4 FDC CONNECTOR

3.4 ETX Connector X4

X4: IDE1, IDE2, and Miscellaneous

3.5 Floppy Disk Drive Connector

ETX-DB-ATX board is equipped with a 34-pin daisy-chain driver connector cable.

CN4: FDC CONNECTOR

PIN SIGNAL PIN SIGNAL

PIN SIGNAL PIN SIGNAL

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1	GND	2	GND
3	5VSB	4	PWGIN
5	PS_ON	6	SPEAKER
7	PWRBTN#	8	VBAT
9	KBINH	10	N.C.
11	WDTACT#	12	N.C.
13	ROMKBCS#	14	N.C.
15	ROMCS#	16	I2CCLK
17	5V	18	5V
19	OVRCUR	20	DIOCS#
21	EXTSMI#	22	I2CDATA
23	SMBCLK	24	SMBDATA
25	SIDE_CS3#	26	N.C.
27	SIDE_CS1#	28	DASP_S
29	SIDE_A2	30	PIDE_CS3#
31	SIDE_A0	32	PIDE_CS1#
33	GND	34	GND
35	PDIAG_S	36	PIDE_A2
37	SIDE_A1	38	PIDE_A0
39	SIDE_IRQ#	40	PIDE_A1
41	N.C.	42	N.C.
43	SIDE_DACK#	44	PIDE_IRQ#
45	SIDE_IORDY	46	PIDE_DACK#
47	SIDE_IOR#	48	PIDE_IORDY
49	5V	50	5V

51	SIED_IOW#
53	SIDE_DRQ
55	SIDE_D15
57	SIDE_D0
59	SIDE_D14
61	SIDE_D1
63	SIDE_D13
65	GND
67	SIDE_D2
69	SIDE_D12
71	SIDE_D3
73	SIDE_D11
75	SIDE_D4
77	SIDE_D10
79	SIDE_D5
81	5V
83	SIDE_D9
85	SIDE_D6
87	SIDE_D8
89	RING#
91	N.C.
93	N.C.
95	N.C.
97	N.C.
99	GND

52	PIDE_IOR#
54	PIDE_IOW#
56	PIDE_DRQ
58	PIDE_D15
60	PIDE_D0
62	PIDE_D14
64	PIDE_D1
66	GND
68	PIDE_D13
70	PIDE_D2
72	PIDE_D12
74	PIDE_D3
76	PIDE_D11
78	PIDE_D4
80	PIDE_D10
82	5V
84	PIDE_D5
86	PIDE_D9
88	PIDE_D6
90	N.C.
92	PIDE_D8
94	SIDE_D7
96	PIDE_D7
98	IDERST#
100	GND

1	GROUND	2		REDUCE WRITE
3	GROUND		4	N/C
5	GROUND		6	N/C
7	GROUND		8	INDEX#
9	GROUND		10	MOTOR ENABLE A#
11	GROUND		12	DRIVE SELECT B#
13	GROUND		14	DRIVE SELECT A#
15	GROUND		16	MOTOR ENABLE B#
17	GROUND		18	DIRECTION#
19	GROUND		20	STEP#
21	GROUND		22	WRITE DATA#
23	GROUND		24	WRITE GATE#
25	GROUND		26	TRACK 0#
27	GROUND		28	WRITE PROTECT#
29	GROUND		30	READ DATA#
31	GROUND		32	SIDE 1 SELECT#
33	GROUND		34	DISK CHANGE#

13 ETX-DB-ATX ETX-DB-ATX 14