IBM RT PC Options Installation page 77

TNL SN20-9864 (May 1987) to 75X0217
11. Install the adapter:
• If you are installing an R40 or R70 fixed-disk drive, install the
second drive adapter in adapter slot 2. If you need instructions
for installing the adapter, see "Installing Adapters" on page 3-8.
• If you are installing an E70 fixed-disk drive, install the IBM R T
PC Extended ESDI Magnetic Media Adapter in the slot
determined by the J6 jumper setting in Step 13, page 2-28. If you
need instructions for installing the adapter, see "Installing
Adapters" on page 3-8.
Slot 1 (Fixed-Disk and Diskette
Drive Adapter)
12. Replace the cooling fan assembly. See "Cooling Fan Replacement"
on page 2-7.
2-36.2 Options Installation