IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual page 65

Attention: Install only a SCSI storage expansion unit that is specified for use
with the IBM HS40 Type 8839 blade server. Compatible SCSI storage
expansion units do not have a shield, as shown in the following illustration.
Use SCSI storage expansion
unit with no shield
No shield
a. Orient the storage expansion unit as shown in the illustration.
Cover pins
Air baffle
Blade-cover
release
b. Lower the storage expansion unit so that the slots at the rear slide down
onto the pins at the rear of the blade server.
Do not use SCSI storage expansion
with shield
Shield
SCSI storage
expansion unit
Blade-cover
release
Chapter 4. Installing options
55