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Subject1.3.80 setup.S change prevents booting.
At least on one machine.

1.3.80 and 1.3.81 would not boot for me. When I #if'd out the change in
arch/i386/boot/setup.S, things worked as expected.

The "symptom" is that booting hangs before the "Uncompressing Linux..."
message is printed, and doesn't do anything for at least a few minutes.

The drives in my system are:

hda: 94354-230, 201MB w/32kB Cache, CHS=848/9/54
hdb: Conner Peripherals 850MB - CFA850A, 813MB w/256kB Cache, LBA, CHS=1652/16/63
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hdc: SyQuest EZ135A, 128MB w/64kB Cache, CHS=512/16/32
ide1 at 0x170-0x177,0x376 on irq 15
Partition check:
hda: hda1 hda2
hdb: hdb1 hdb2 hdb3
hdc: hdc1

(And a 5.25 floppy drive)

\/ Jeff Epler jepler@{|||}

--- setup.S.bak Sat Mar 30 11:06:06 1996
+++ setup.S Sat Mar 30 11:06:06 1996
@@ -114,10 +114,12 @@
mov dl,#0x81
int 0x13

! Reset the disk controller.
mov ax,#0x0000
mov dl,#0x80
int 0x13

! set DS=CS, we know that SETUPSEG == CS at this point
mov ax,cs ! aka #SETUPSEG

 \ /
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