Changeset 93415 in vbox

Timestamp:

Jan 24, 2022 3:44:44 PM (3 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

149517

Message:

BIOS: Added comment about WDCTRL.386.

File:

• trunk/src/VBox/Devices/PC/BIOS/disk.c (modified) (1 diff)

trunk/src/VBox/Devices/PC/BIOS/disk.c

@@ -407 +407 @@
         count = bios_dsk->hdcount;
         /* Maximum cylinder number is just one less than the number of cylinders. */
+        /* To make Windows 3.1x WDCTRL.386 happy, we'd have to subtract 2, not 1,
+         * to account for a diagnostic cylinder.
+         */
         nlc = nlc - 1; /* 0 based , last sector not used */
         SET_AL(0);