HP 13255 Manual page 6

13255
Memory Controller
Table 5.0 Connector Information
13255-91252/04
Rev JUN-23-81
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Connector I Signal
Signal
and Pin No.
I
Name Description
------------- -------------- -------------------------------------------------
------------- -------------- -------------------------------------------------
P1, Pin 1
+5V
+5 Volt Power Supply
-2 GND Ground Common Return (Power and Signal)
-3
SYSCLK 4.915 MHz System Clock
-4
Not Used
-5
ADDRO Negative True, Address Bit 0
-6 ADDR1 Negative True, Address Bit 1
-1
ADDR2
Negative True, Address Bit 2
-8
ADDR3
Negative True, Address Bit 3
-9
ADDR4 Negative True, Address Bit 4
-10 ADDR5
Negative True, Address Bit 5
-11 ADDR6
Negative True, Address Bit 6
-12
ADDR1
Negative True, Address Bit 1
-13
ADDRa Negative True, Address Bit 8
-14
ADDR9
Negative True, Address Bit 9
-15
ADDR10
Negative True, Address Bit 10
-16 ADDR11 Negative True, Address Bit 11
-11
ADDR12
Negative True, Address Bit 12
-18 ADDR13
Negative True, Address Bit 13
-19
ADDR14 Negative True, Address Bit 14
-20 ADDR15
Negative True, Address Bit 15
-21
10
Negative True, Input Output/Memory
-22 GND
Ground Common Return (Power and Signal)
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