Guides:MAME - Driver - ct486
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Some notes on the ct486 driver
HDD Geometries
These geoms are for Type 47 (custom) drives
| Size | CHS | SHA |
|---|---|---|
| 4GB | 8332,16,63 | xxxxx |
nvram
When/if you change out the CHD underneath this machine you will need to reconfigure the HDD Type 47 geometry to match, alternatively backup the nvram file in ct486 folder and re-instate it with the machine you are booting
Slot Devices =
Some useful slot devices
| Device Type | Slot Option | Device Option |
|---|---|---|
| Floppy Drive | -flop1 ${FLOPPATH}/${FLOP1} | None |
| IDE HDD Primary | -board3:ide:ide:0 hdd | -hard1 ${HDDPATH}/${HARD1}" |
| IDE CDROM Secondary | -board3:ide:ide:1 cdrom | -cdrom ${CDPATH}/${CDROM} |
as of MAME 229, the isa ide slot device (card) causes a hdd controller failure on boot (haven't worked out why yet). if you want to try it out the format is (attached device type will be cdrom in this example).
Noting that the cli device chain provides each option as you build it up, emulated IDE isa card
-<slot> <device> -<slot>:<device>:<bus>:<id> <attached device type> -cdrom <path/to/cdimage>