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CPU-1474/84 User Manual
14 CPU-1474/84_UserMan_En_2.0
Carrier module connectors
J1, J2 and J3: Buses for PC/104-Plus connectivity
The ISA Bus (J1 and J2) and the PCI Bus (J3) connectors are located on the bottom side of the carrier
module only. They are designed to allow the connection of the product on the top position of the stack.
ISA BUS
Figure 2. J1 and J2 connector layout (bottom side)
J1
Pin # Signal Pin # Signal
B1 GND A1 IOCHK#
B2
RSTDRV
A2
SD7
B3 VDD A3 SD6
B4 IRQ9 A4 SD5
B5 -5V A5 SD4
B6 DRQ2 A6 SD3
B7 -12V A7 SD2 J2
B8 ZEROWS# A8 SD1 Pin # Signal Pin # Signal
B9 +12V A9 SD0 C1 GND D1 GND
B10 GND/KEY A10 IOCHRDY C2 SBHE# D2 MEMCS16#
B11 SMEMW# A11 AEN C3 LA23 D3 IOCS16#
B12
SMEMR#
A12
SA19
C4
LA22
D4
IRQ10
B13 IOW# A13 SA18 C5 LA21 D5 IRQ11
B14 IOR# A14 SA17 C6 LA20 D6 IRQ12
B15 DACK3# A15 SA16 C7 LA19 D7 IRQ15
B16 DRQ3 A16 SA15 C8 LA18 D8 IRQ14/ROMCS#
B17
DACK1#
A17
SA14
C9
LA17
D9
DACK0#
B18 DRQ1 A18 SA13 C10 MEMR# D10 DRQ0
B19 REFRESH# A19 SA12 C11 MEMW# D11 DACK5#
B20 SYSCLK A20 SA11 C12 SD8 D12 DRQ5
B21 IRQ7 A21 SA10 C13 SD9 D13 DACK6#
B22
IRQ6
A22
SA9
C14
SD10
D14
DRQ6
B23 IRQ5 A23 SA8 C15 SD11 D15 DACK7#
B24 IRQ4 A24 SA7 C16 SD12 D16 DRQ7
B25 IRQ3 A25 SA6 C17 SD13 D17 VDD
B26
DACK2#
A26
SA5
C18
SD14
D18
MASTER#
B27 TC A27 SA4 C19 SD15 D19 GND
B28 BALE A28 SA3 C20 GND/KEY D20 GND
B29 VDD A29 SA2
B30 OSC A30 SA1
B31
GND
A31
SA0
B32 GND A32 GND
Table 1. J1 and J2 connector pinout (bottom side)