TransCore Amtech IT2200 - Page 192

IT2200 Reader System with Multimode Capability Installation & Maintenance/Service Guide
E-8
C11 D8 Input/output Data bus, bit 8
C12 D9 Input/output Data bus, bit 9
C13 D10 Input/output Data bus, bit 10
C14 D11 Input/output Data bus, bit 11
C15 D12 Input/output Data bus, bit 12
C16 D13 Input/output Data bus, bit 13
C17 D14 Input/output Data bus, bit 14
C18 D15 Input/output Data bus, bit 15
D1 MCS16_L Output Memory chip select 16
D2 IO16_L Output I/O chip select 16
D3 IRQ10 Output Interrupt request 10
D4 IRQ11 Output Interrupt request 11
D5 IRQ12 Output Interrupt request 12
D6 IRQ15 Output Interrupt request 15
D7 IRQ14 Output Interrupt request 14
D8 DAK0_L Input DMA acknowledge 0
D9 DRQ0 Output DMA request 0
D10 DAK5_L Input DMA acknowledge 5
D11 DRQ5 Output DMA request 5
D12 DAK6_L Input DMA acknowledge 6
D13 DRQ6 Output DMA request 6
D14 DAK7_L Input DMA acknowledge 7
D15 DRQ7 Output DMA request 7
D16 +5 VDC +5 volt power
D17 MASTER_L Output Primary
D18 GND Ground
Table E-3 ISA Bus Pin Definition (continued)
Pin Name Type Description