From owner-freebsd-hackers  Mon Feb  2 16:57:13 1998
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Date: Mon, 2 Feb 1998 17:54:46 -0500
From: Randall Hopper <rhh@ct.picker.com>
To: hackers@FreeBSD.ORG
Subject: Re: Tertiary IDE -- Detect Solved
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Randall Hopper:
 |***** 2. SECOND TRY: *****
 |controller wdc2 at isa? port 0x1e8 bio irq 11 flags 0xa0ffa004 vector wdintr
 |disk       wd4  at wdc2 drive 0
...
 |***** 3. THIRD TRY: *****
 |Touched up the generated ioconf.c and replaced the "(null)" in the corrupt
 |isa_biotab_wdc[] entry:
 |
 |{ -1, &wdcdriver,   (null), IRQ11, -1, C 0x00000,     0,   wdintr,   4, 0x0000,
 |    0,    0,       0,       0,      1,        0,   0 },
 |
 |with the correct port number for the teriary controller ("0x1e8").
 |
 |This kernel did build, but wouldn't detect wdc2 when I booted it up.

The detect failure was my bust.  After the kernel-build workarounds, and
once I reconfigured the drive as a master instead of a slave :-), the old
Conner 540Meg now hanging off of my Sound Blaster 32's Tertiary IDE port
probed and mounted like a champ:

  wdc2 at 0x1e8-0x1ef irq 11 flags 0xa0ffa004 on isa
  wdc2: unit 0 (wd4): <Conner Peripherals 540MB - CFA540A>, multi-block-4
  wd4: 515MB (1056384 sectors), 1048 cyls, 16 heads, 63 S/T, 512 B/S

Randall