Fujitsu M255XK Customer Engineering Manual page 36

4.2.3.
Handling Connectors
Handle connectors as speci fied below:
Always turn power Off before inserting or removing a connector.
Do not apply excessive force to the cable or post pin.
Remove/insert each connector by pulling/pushing in a straight manner.
4.2.4 Additional Maintenance Precautions
Overall Error Test
Perform the Inspection and Adjustment procedures given in paragraph 4.4
when inspecting, adjusting or replacing parts. Procedures in paragraph 4.4 do
not include data Read/Write checks, connect the drive to a test system and
perform a window margin test to ensure data integrity.
Diskette
Never use a defective work, or test diskette during a maintenance action.
Set Jumper Selections
Set Drive Select (DSO through DS3) and all jumper selections to be compati-
ble with the test system, as given below:
Ii
OSRSTR
. MS
. MM
0 - -
JP3
.,4·1 __
++
OK1OK2
r:lIR
L:JIl:J
OM20M1 MOD
• • RI
JP1 JP2
~"
01
-+--+-.J
PC/AT CONfIGURATION (MOVEABLE)
~
______________ J
Figure 4-1A M2553K/5ltK Revision 2 Circuit Card - Jumper Locations
TS-021"{)13087 ••• 01