I've been using this hack on 2 A4000's for several months (since KS upped
the delay time for IDE drives).

Get a 40-pin female IDE header and wire a 5K resistor between pins 3 and 39,
and between pins 5 and 39.

Pins 3 and 5 are the high-order IDE data bits.  Pin 39 is the IDE LED
connection, which is tied high.  This hack ties the two high-order IDE
data bits high, making the ROM immediately skip looking for a drive.

Plug the header onto the A4000 motherboard IDE connector, making sure it
is on correctly.
--
Sean (sriddleionet.net)
<a href="http://www.ionet.net/~sriddle">Please don't hurl on my URL!</a><p>

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  412     684  60.2% -lh5- 0a3f Jun  6  1995 no4000ide.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         1 file      412     684  60.2%            Jun  6  1995