[x86 setup] APM: BX should be zero when disconnecting
authorH. Peter Anvin <hpa@zytor.com>
Mon, 23 Jul 2007 22:37:14 +0000 (15:37 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 25 Jul 2007 19:02:21 +0000 (12:02 -0700)
For APM calls, BX contains the device index, which is zero for
the system BIOS.  Disconnect requres BX = 0.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

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