ZiLOG System 8000 Hardware Reference Manual

HRM
Zilog
HRM
Cent.ronics
Interface
Printer Port Printer
Co:nnector .
Connector
Slgnal Name
P2 Bac:kplane Pins
Pins
DATA 0
P2-1C
1 2
DATA
1
P2-2C
2
3
DATA
2
P2-3C
3
4
DATA
3.
P2-5C
4
5
DATA 4
P2-6C
5
6
DATA
5
P2-8C
6
7
DATA
6
P2-9C
7
8
DATA
7
Not
Used Not Used
Not
Used
DATA STROBE
P2-12C
9
1
INPUT PRIME
Not Used Not
Used
Not
Used
ACKNOWLEDGE
P2-16C
11
10
FAULT
P2-20C
12
32
GROUND
P2-32C
18
24
GROUND
P2-32B 19
25
GROUND
P2-32A
20 26
BUSY
P2-17C
23
11
SELECT
P2-21C
24
13
2.5. Backplane (ZBI) Pin Assignments
Figure 2-5 and 2-6 show the backplane slot assignments for
Processor Module Printed Wiring Asssemblies (PWA's). The
connectors designated J11 through J20 (on the right) connect
to the ZBI system bus. The connectors designated J21
through J30 (on the left) are auxiliary connectors. The P2
connectors J22, J25, J26, and J27 are labeled optional and
allow for future board configuration. The pin assignments
of all ZBI connectors are the same. Table 2-9 lists the ZBI
pin assignments.
2-11
Zilog
2-11

ZiLOG System 8000 Specifications

General

Brand	ZiLOG
Model	System 8000
Category	Desktop
Language	English