- * Emulex UNIBUS disk driver with overlapped seeks and ECC recovery.
- *
- * NB: This device is very sensitive: be aware that the code is the way
- * it is for good reason and that there are delay loops here which may
- * have to be lengthened if your processor is faster and which should
- * probably be shortened if your processor is slower.
- *
- * This driver has been tested on a SC-11B Controller, configured
- * with the following internal switch settings:
- * SW1-1 5/19 surfaces (off, 19 surfaces on Ampex 9300)
- * SW1-2 chksum enable (off, checksum disabled)
- * SW1-3 volume select (off, 815 cylinders)
- * SW1-4 sector select (on, 32 sectors)
- * SW1-5 unused (off)
- * SW1-6 port select (on, single port)
- * SW1-7 npr delay (off, disable)
- * SW1-8 ecc test mode (off, disable)
- * and top mounted switches:
- * SW2-1 extend opcodes (off=open, disable)
- * SW2-2 extend diag (off=open, disable)
- * SW2-3 4 wd dma burst (off=open, disable)
- * SW2-4 unused (off=open)
- *
- * The controller transfers data much more rapidly with SW2-3 set,
- * but we have previously experienced problems with it set this way.
- * We intend to try this again in the near future.
- *
- * NB: OUR SYSTEM CURRENTLY GETS UBA ERRORS WHEN RUNNING THIS DRIVER
- * AND THE BUS OCCASIONALLY HANGS, NECESSITATING THE DEVIE RESET
- * CODE WHICH RE-INITS THE UNIBUS. YECHHH.