AT&T 6300 Service Manual page 49
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Also See for 6300:
- Programmer's manual (702 pages) ,
- User manual (198 pages) ,
- Installation manual (28 pages)
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SYSTEM OVERVIEW
GND
RESET
+5V
IRQ2
-5V
DREQ2
-12V
RESERVED
+12V
GND
-IMW
-IMR
-IIDW
-IIOR
-DACKS
OREQS
-DACK1
OREQ1
-DACKO
XClK4
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
-DACK2
TC
ALE
+5V
14 MHz
GND
-CHCK
07
06
D5
04
03
02
01
DO
BCRDY
AEN
A19
A18
A17
A16
A15
A14
A13
A12
A 11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
lAO
(IRDY)
GND
AD
-BHE
-XMEMW
-XMEMR
-XIOW
-XIOR
-EXTHRQ
-EXTACK
-ORDY
-INTA
CASO
CAS1
CAS2
RESERVED
XCLK8
+5V
GND
RESERVED
GNO
015
014
013
D12
011
D10
D9
08
-BSO
-BS1
-BS2
-16BCH
-f'lBDIS
RESERVED
-INT
+5V
GND
Z8000CLK
Figure 2-12. I/O Expansion Bus Connectors
2-34
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