Lenovo PC 300PL Technical Information Manual 6275, 6285 - Page 67
of 3. ISA Connector Pin Assignments, Signal
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Appendix A. Connector Pin Assignments Figure 30 (Page 2 of 3). ISA Connector Pin Assignments Pin Signal I/O Pin B3 +5 V dc NA A3 B4 IRQ2 I A4 B5 -5 V dc NA A5 B6 DRQ2 I A6 B7 -12 V dc NA A7 B8 OWS# I A8 B9 +12 V dc NA A9 B10 Ground NA A10 B11 SMEMW# O A11 B12 SMEMR# O A12 B13 IOW# I/O A13 B14 IOR# I/O A14 B15 DACK3# O A15 B16 DRQ3 I A16 B17 DACK1# O A17 B18 DRQ1 I A18 B19 REFRESH# I/O A19 B20 CLK O A20 B21 IRQ7 I A21 B22 IRQ6 I A22 B23 IRQ5 I A23 B24 IRQ4 I A24 B25 IRQ3 I A25 B26 DACK2# O A26 B27 TC O A27 B28 BALE O A28 B29 +5 V dc NA A29 B30 OSC O A30 B31 Ground NA A31 D1 MEMCS16# I C1 D2 IOCS16# I C2 D3 IRQ10 I C3 D4 IRQ11 I C4 D5 IRQ12 I C5 D6 IRQ15 I C6 D7 IRQ14 I C7 D8 DACK0# O C8 D9 DRQ0 I C9 D10 DACK5# O C10 D11 DRQ5 I C11 D12 DACK6# O C12 D13 DRQ6 I C13 D14 DACK7# O C14 Signal I/O SD6 I/O SD5 I/O SD4 I/O SD3 I/O SD2 I/O SD1 I/O SD0 I/O IOCHRDY I AEN O SA19 I/O SA18 I/O SA17 I/O SA16 I/O SA15 I/O SA14 I/O SA13 I/O SA12 I/O SA11 I/O SA10 I/O SA9 I/O SA8 I/O SA7 I/O SA6 I/O SA5 I/O SA4 I/O SA3 I/O SA2 I/O SA1 I/O SA0 I/O SBHE# I/O LA23 I/O LA22 I/O LA21 I/O LA20 I/O LA19 I/O LA18 I/O LA17 I/O MEMR# I/O MEMW# I/O SD8 I/O SD9 I/O SD10 I/O SD11 I/O Appendix A. Connector Pin Assignments 55
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