TS-7250-V3 PC104 Header

The PC104 connector consists of four rows of pins labelled A-D. The PC104 standard implements an ISA bus over these headers, but we also include the ability for almost all of the pins to be used as DIO.

Pin	Name	GPIO		Pin	Name	GPIO		Pin	Name	GPIO		Pin	Name	GPIO
B32	GND	N/A		A32	GND	N/A
B31	GND	N/A		A31	ISA_ADD_00	Bank 9 IO 0
B30	ISA_14_3_MHZ	N/A		A30	ISA_ADD_01	Bank 9 IO 1
B29	5V	N/A		A29	ISA_ADD_02	Bank 9 IO 2
B28	ISA_BALE	Bank 6 IO 1		A28	ISA_ADD_03	Bank 9 IO 3		C19	GND	N/A		D19	GND	N/A
B27	ISA_TC	Bank 6 IO 2		A27	ISA_ADD_04	Bank 9 IO 4		C18	ISA_DAT_15	Bank 8 IO 15		D18	GND	N/A
B26	ISA_DACK2	Bank 6 IO 10		A26	ISA_ADD_05	Bank 9 IO 5		C17	ISA_DAT_14	Bank 8 IO 14		D17	Unused	N/A
B25	ISA_IRQ3	N/A		A25	ISA_ADD_06	Bank 9 IO 6		C16	ISA_DAT_13	Bank 8 IO 13		D16	+5V	N/A
B24	GND	N/A		A24	ISA_ADD_07	Bank 9 IO 7		C15	ISA_DAT_12	Bank 8 IO 12		D15	ISA_DRQ7	Bank 7 IO 12
B23	ISA_IRQ5	N/A		A23	ISA_ADD_08	Bank 9 IO 8		C14	ISA_DAT_11	Bank 8 IO 11		D14	ISA_DACK7	Bank 7 IO 11
B22	ISA_IRQ6	N/A		A22	ISA_ADD_09	Bank 9 IO 9		C13	ISA_DAT_10	Bank 8 IO 10		D13	ISA_DRQ6	Bank 7 IO 10
B21	ISA_IRQ7	N/A		A21	ISA_ADD_10	Bank 9 IO 10		C12	ISA_DAT_09	Bank 8 IO 9		D12	ISA_DACK6	Bank 7 IO 9
B20	ISA_BCLK	N/A		A20	ISA_ADD_11	Bank 9 IO 11		C11	ISA_DAT_08	Bank 8 IO 8		D11	ISA_DRQ5	Bank 7 IO 8
B19	ISA_REFRESH	Bank 6 IO 6		A19	ISA_ADD_12	Bank 9 IO 12		C10	Unused	N/A		D10	ISA_DACK5	Bank 7 IO 7
B18	ISA_DRQ1	Bank 6 IO 7		A18	ISA_ADD_13	Bank 9 IO 13		C09	Unused	N/A		D09	ISA_DRQ0	Bank 7 IO 6
B17	ISA_DACK1	Bank 6 IO 8		A17	ISA_ADD_14	Bank 9 IO 14		C08	Unused	N/A		D08	ISA_DACK0	Bank 7 IO 5
B16	ISA_DRQ3	Bank 6 IO 12		A16	ISA_ADD_15	Bank 9 IO 15		C07	Unused	N/A		D07	ISA_IRQ14	Bank 7 IO 4
B15	ISA_DACK3	Bank 6 IO 13		A15	ISA_ADD_16	Bank 10 IO 0		C06	Unused	N/A		D06	ISA_IRQ15	Bank 7 IO 3
B14	ISA_IOR	Bank 10 IO 4		A14	ISA_ADD_17	Bank 10 IO 1		C05	N/A	Unused		D05	ISA_IRQ12	Bank 7 IO 2
B13	ISA_IOW	Bank 10 IO 5		A13	ISA_ADD_18	Bank 10 IO 2		C04	Unused	N/A		D04	ISA_IRQ11	Bank 7 IO 1
B12	ISA_MEMR	Bank 10 IO 6		A12	ISA_ADD_19	Bank 10 IO 3		C03	Unused	N/A		D03	ISA_IRQ10	Bank 7 IO 0
B11	ISA_MEMW	Bank 10 IO 7		A11	ISA_AEN	Bank 6 IO 0		C02	Unused	N/A		D02	ISA_IO16	Bank 10 IO 9
B10	GND	N/A		A10	ISA_IORDY	Bank 6 IO 5		C01	Unused	N/A		D01	ISA_MEM16	Bank 10 IO 8
B09	Unused	N/A		A09	ISA_DAT_00	Bank 8 IO 0		C00	GND	N/A		D00	GND	N/A
B08	ISA_ENDX	Bank 6 IO 3		A08	ISA_DAT_01	Bank 8 IO 1
B07	Unused	N/A		A07	ISA_DAT_03	Bank 8 IO 3
B06	ISA_DRQ2	Bank 6 IO 9		A06	ISA_DAT_04	Bank 8 IO 4
B05	3.3V	N/A		A05	ISA_DAT_05	Bank 8 IO 5
B04	ISA_IRQ9	N/A		A04	ISA_DAT_02	Bank 8 IO 2
B03	Unused	N/A		A03	ISA_DAT_06	Bank 8 IO 6
B02	ISA_RESET	Bank 2 IO 7		A02	ISA_DAT_07	Bank 8 IO 7
B01	GND	N/A		A01	ISA_IOCHK	Bank 2 IO 8