local bus video card and isa card and connector of the signal definition method

摘要

connector of a line, IOCHK -, D7. D0, CHRDY AENX, 19, 31, and the SA0 of sa. the isa signal definition, b line, GND, RESDRV, u00b1 5V, u00b1 12V, SMWTC SMRDC NOWS -, -, -, -, - IOWC, IORC, REFRESH -... BCLK, t - c, BALE, OSC, DAK - "the 1 ~ 3 the DAK -" the first, the DRQ's, the DRQ's 3u3009, IRQ 3 ~ 7's the IRQ's "the nine IRQ the, the, etc. isa 31 pin of the signal c is defined, you SBHE - la la's the ~ 17, the MRDC's 23, MWTC -, d -, d's "the 8 ~ 15 and the pin of the signal at the isa definition, d line, M16 io -, 16 -, IRQ's the IRQ's 10 - 14 -" the DAK 0 the, the, the DAK - "the DAK - august 5, the DRQ 0's, and DRQ DRQ 5, 8, and 5V...GND MASTER 16 - 18, and the signal of the isa, the e line, XA0, RDY #, LBD #, LRDY 1 #, DMAHLDA, D27. D24, D19. D16, D8. D11, D3. D0, 401 ATCYC #, BS8 #, 402 ATCYC #, A27 A24 etc.. 31 the local video signal definition, f i, GND, + 5, D28 D31 ~ ~ ~ ~, D23 D20, D15 D12, D7. D4, A31. A28, VBS 16 # and 31 of the local video signal definition, g i, A21, a2, A15. A12, A7. a2 and d / c # m / io #, w / r # HLDA, ads, and # 19 the local video signal definition, h line, A23... A22, A19. A16, A11. AS, BE3 #. BE0 #, and 5V, CPUCLK...GND and 19 the local video signal to form the definition of the local bus to the video card and isa card and can be used as a local bus video card and isa card and connector of the signal on the definition of the method.