HP 27130A Technical Reference Manual page 21

HP 27130A .
Table 2-2. I/O Channel Connector Jl (Continued)
PIN NO. 5 I GNAL MNEMON I C SIGNAL DEFINITION
B1
---
Not used
B2 DB15- Data Bus, Bit 15
B3
DB13-
Data Bus, Bit 13
B4 GND Ground
B5 DB11- Data Bus, Bit 11
B6
DBS- Data Bus, Bit
9
B7 GND
Ground
B8
DB7- Data Bus, Bit 7
BS DB5- Data Bus, Bit 5
B10 GND Ground
B11 DB3- Data Bus, Bi t 3
B12 DB1-
Data Bus, Bi t 1
B13 GND Ground
B14 AD3- Address Bus, Bit 3
B15 AD1- Address Bus, Bit 1
B16 GND Ground
B17 UAD- Unary Address
B18 BP1- Bus Primitive Bit 1
B19 CBYT- Channel Byte
B20 PoLL- Poll
B21 GND Ground
B22 10SB-
lID Strobe
B23 GND Ground
B24 ARQ- Attention Request
B25 DEND- Device End
B26 IFC- Interface Clear
B27 GND Ground
B28
---
Not used
B29
---
Not used
B30 RES Not used
831 ISPU Not used
832
NMI-
Non-Maskable Interrupt
B33 SPoN Secondary Power On (NOT USED BY MUX CARD)
834 GND Ground
835 AC- Not used
836 AC+ Not used
B37 -12 -12V
838 +12 +12V
839 +55 Not used
B40 +5P +5P
2-8