TYAN TS75-B7122 Service Engineer's Manual page 56

NOTE: Chassis base with or without screw hole design and the screw position
for inner rail may be different for each chassis.
Detach inner rail from standoff
1. Loosen screw both sides of the server.
2. Pull the latch upward and remove the keyhole from standoff and slide inner
rail forward to remove inner rail.
56
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