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61
3 Interface Devices and Mass-Storage Drives
Connectors and Sockets
16-bit ISA Connector
(8-bit ISA uses the A and B connectors)
Pin Signal Pin Signal
B1 Ground A1 CHCHK#
B2 RESDRV A2 SD7
B3 +5 V A3 SD6
B4 IRQ9 A4 SD5
B5 -5 V A5 SD4
B6 DRQ2 A6 SD3
B7 -12 V A7 SD2
B8 NOWS# A8 SD1
B9 + 12 V A9 SD0
B10 Ground A10 CHRDY
B11 SMWTC# A11 AENx
B12 SMRDC# A12 SA19
B13 IOWC# A13 SA18
B14 IORC# A14 SA17
B15 DEK3# A15 SA16
B16 DRQ3 A16 SA15
B17 DAK1# A17 SA14
B18 DRQ1 A18 SA13
B19 REFRESH# A19 SA12
B20 BCLK A20 SA11
B21 IRQ7 A21 SA10
B22 IRQ6 A22 SA9
B23 IRQ5 A23 SA8
B24 IRQ4 A24 SA7
B25 IRQ3 A25 SA6
B26 DAK2# A26 SA5
B27 TC A27 SA4
B28 BALE A28 SA3
B29 +5 V A29 SA2
B30 OSC A30 SA1
B31 Ground A31 SA0
D1 M16# C1 SBHE#
D2 IO16# C2 LA23
D3 IRQ10 C3 LA22
D4 IRQ11 C4 LA21
D5 IRQ12 C5 LA20
D6 IRQ15 C6 LA19
D7 IRQ14 C7 LA18
D8 DAK0# C8 LA17
D9 DRQ0 C9 MRDC#
D10DAK5# C10MWTC#
D11 DRQ5 C11 SD8
D12DAK6# C12SD9
D13 DRQ6 C13 SD10
D14DAK7# C14SD11
D15 DRQ7 C15 SD12
D16 +5 V C16 SD13
D17 MASTER16# C17 SD14
D18 Ground C18 SD15