FTe / FTs / Qi 486 Panther Planar

Qi Panther Planar Rev. D
   CMOS Discharge
FTe Panther Planar Rev. D
   CMOS Discharge
FTe / FTs / Qi Panther Planar Rev. F
   CMOS Discharge
Switch Settings
System Firmware
   ROM Images
   BIOS Revision Levels

Based on Mitsubishi Electric's Insight CD pages.


Qi Panther Planar Rev. D

Planar Revision History.

CMOS Discharge

To remove settings in CMOS the ribbon cable running from the Front Panel to the I/O Board should be disconnected and then left for approx. 20 minutes.


FTe Panther Planar Rev. D

Planar Revision History.

CMOS Discharge

To remove settings in CMOS the ribbon cable running from the Front Panel to the I/O Board should be disconnected and then left for approx. 20 minutes.


FTe / FTs / Qi Panther Planar Rev. F

Planar Revision History FTe.
Planar Revision History FTs.
Planar Revision History Qi 486.

CMOS Discharge

Switch SW8 used to drain CMOS. If SW8 is set to 'B' CMOS configuration will not be retained.


Switch Settings

SW1

Pos. On Off
1 Cache disable Cache enable
2 ROM data on Micro Channel ROM data not on Micro Channel
3 ROM's disabled ROM's enabled
4 Refresh enabled Refresh disabled

SW2

Pos. Second Floppy
A 5.25"
B 3.5"

SW3

Pos. Second Floppy
A Present
B Not present

SW4

Pos. On Off
1 RAM configuration
2 RAM configuration
3 RAM configuration
4 CPU speed select
5 CPU speed select
6 FTs FTe*
7 Weitek present** Weitek not present**
8 FTe/FTs Qi*
* When installed in Qi and FTs FE1 must be removed to stop power being supplied on floppy cable
** Weitek support on FTs only?

RAM Configuration

Memory Fitted SW4 Position SIMM Capacity
1 2 3 Bank 0 Bank 1
1 MByte Off Off Off 256k -
1 MByte On Off Off 256k -
2 MByte Off On Off 256k 256k
4 MByte Off Off On 1 M -
5 MByte On On Off 256k 1 M
8 MByte On Off On 1 M 1 M
12 MByte Off On On 2 M 1 M
16 MByte On On On 2 M 2 M

Clock Speed

CPU speed MHz SW4 Position
4 5
16/33 Off Off
20 On Off
25/50 Off On
Reserved On On

SW5 - Rev. D

Pos. Description
A Routes composite sync pulses to the Video DAC
B Composite sync pulses required

SW5 - Rev. F

Pos. Description
A No sync on video
B Sync on video

SW7 - Rev. F Only

Pos. Description
A 2MB Floppy disk drive
B 4MB floppy disk drive

SW8 - Rev. F Only

Pos. Description
A Battery connected
B Battery disconnected and VBAT line discharged


System Firmware (POST & BIOS)

Firmware stored in EPROM (2x 64 KB Rev. D; 1x 128 KB Rev. F).

ROM Images

qi410226.zip - Qi 486 ROM BIOS 1.02.26 (LO+HI, zipped)
pd10226.zip - FTe/FTs Panther Rev D 1.02.26 (LO+HI, zipped)
pd10226.zip - FTe/FTs Panther Rev F 1.02.26 (1x BIN, zipped)

BIOS Revision Levels

Qi 486 BIOS Revision Summary (ver. 1.02.23 - 1.02.26)
FTe BIOS Revision Summary (ver. 1.02.23 - 1.02.26)
FTs BIOS Revision Summary (ver. 1.02.23 - 1.02.26)

Content created and/or collected by:
Louis Ohland, Peter Wendt, David Beem, William Walsh, Tatsuo Sunagawa, Jim Shorney, Tim Clarke, Kevin Bowling, Tomáš Slavotínek, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 25 Nov 2022 - Changelog | Legal Info & Contact