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ETX-DB-ATX
13
3.4 ETX Connector X4
X4: IDE1, IDE2, and Miscellaneous
PIN SIGNAL PIN SIGNAL PIN SIGNAL PIN SIGNAL
1 GND 2 GND 51 SIED_IOW# 52 PIDE_IOR#
3 5VSB 4 PWGIN 53 SIDE_DRQ 54 PIDE_IOW#
5 PS_ON 6 SPEAKER 55 SIDE_D15 56 PIDE_DRQ
7 PWRBTN# 8 VBAT 57 SIDE_D0 58 PIDE_D15
9 KBINH 10 N.C. 59 SIDE_D14 60 PIDE_D0
11 WDTACT# 12 N.C. 61 SIDE_D1 62 PIDE_D14
13 ROMKBCS# 14 N.C. 63 SIDE_D13 64 PIDE_D1
15 ROMCS# 16 I2CCLK 65 GND 66 GND
17 5V 18 5V 67 SIDE_D2 68 PIDE_D13
19 OVRCUR 20 DIOCS# 69 SIDE_D12 70 PIDE_D2
21 EXTSMI# 22 I2CDATA 71 SIDE_D3 72 PIDE_D12
23 SMBCLK 24 SMBDATA 73 SIDE_D11 74 PIDE_D3
25 SIDE_CS3# 26 N.C. 75 SIDE_D4 76 PIDE_D11
27 SIDE_CS1# 28 DASP_S 77 SIDE_D10 78 PIDE_D4
29 SIDE_A2 30 PIDE_CS3# 79 SIDE_D5 80 PIDE_D10
31 SIDE_A0 32 PIDE_CS1# 81 5V 82 5V
33 GND 34 GND 83 SIDE_D9 84 PIDE_D5
35 PDIAG_S 36 PIDE_A2 85 SIDE_D6 86 PIDE_D9
37 SIDE_A1 38 PIDE_A0 87 SIDE_D8 88 PIDE_D6
39 SIDE_IRQ# 40 PIDE_A1 89 RING# 90 N.C.
41 N.C. 42 N.C. 91 N.C. 92 PIDE_D8
43 SIDE_DACK# 44 PIDE_IRQ# 93 N.C. 94 SIDE_D7
45 SIDE_IORDY 46 PIDE_DACK# 95 N.C. 96 PIDE_D7
47 SIDE_IOR# 48 PIDE_IORDY 97 N.C. 98 IDERST#
49 5V 50 5V 99 GND 100 GND
ETX-DB-ATX
14
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 NO. DESCRIPTION PIN NO. DESCRIPTION
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#