I've also uploaded manuals for the BM1A5 and 9461, which may also be of help.
The BM1A5 looks similar to the BM101, and I had all three manuals for it scanned. The 841 looks very similar to the IBM 2314, down to putting multiple Drives in a rack you had to slide out to swap packs. On 2/18/18 12:09 PM, Al Kossow via cctalk wrote: > http://bitsavers.org/pdf/cdc/discs/BM101/41249000J_BM101_Multiple_Disk_Drive_Theory_Jun72.pdf >
