Lexmark X7500 Service Manual - Page 153

CPU address bus 17

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4036-501 Signal name A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 CRKTSTS+ BYTE FROMBUSY RST CRKSTSCRKTCMD+ CRKTCMD- Description CPU address bus 8 CPU address bus 9 CPU address bus 10 CPU address bus 11 CPU address bus 12 CPU address bus 13 CPU address bus 14 CPU address bus 15 CPU address bus 16 CPU address bus 17 Creation kit status signal + Flash ROM switching signal between 8 bits and 16 bits Flash ROM busy signal Flash ROM reset signal Creation kit status signal Creation kit command signal + Creation kit command signal - Connector Locations 5-27

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Connector Locations
5-27
4036-501
Signal
name
Description
A8
CPU address bus 8
A9
CPU address bus 9
A10
CPU address bus 10
A11
CPU address bus 11
A12
CPU address bus 12
A13
CPU address bus 13
A14
CPU address bus 14
A15
CPU address bus 15
A16
CPU address bus 16
A17
CPU address bus 17
CRKTSTS+
Creation kit status signal +
BYTE
Flash ROM switching signal between 8 bits and
16 bits
FROMBUSY
Flash ROM busy signal
RST
Flash ROM reset signal
CRKSTS-
Creation kit status signal -
CRKTCMD+
Creation kit command signal +
CRKTCMD-
Creation kit command signal -