Asus PVI-486SP3- User Manual
Asus PVI-486SP3– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – From; Ed
- Page 5 – Asterix Marked; Peter; This was derived from; PERPENDICULAR RECORDING MODE
- Page 7 – Resistor Network by 95A Floppy Controller; HERE; Note
- Page 8 – Visual Differences Between M356C and M356F; Configuring The 82077 For Tape Drive Mode; System Reports 165- But Is the Floppy Working?
- Page 9 – Media formats supported
- Page 11 – Floppy to Clone Hack; Sören Hedlund
- Page 12 – Sony Board
- Page 13 – For info on enhanced-command bit, refer to System Control Port C; MB Electronic Eject Floppy; Eject with eject button or sofware
- Page 14 – Enhanced 2.88MB Floppy Security Circuitry; Tim Clarke
June 1994
Method to Allow the Sharing of I/O Port Addresses between a Floppy Disk Controller and
an IDE Controller within a PS/2 Micro Channel System
April 1994
Conversion Connector for the IBM Personal Computer
Replacing Dried Out Capacitors
(to the 8580 Common Devices page)
Comments on 8580 Floppies
(to the 8580 Common Devices page)
Installing a Floppy in a 95
Formatting 720K Disk on 1.44MB Floppy
Formatting 360K 3.5" Floppies
System to Floppy Drive List
Floppy Drive to Manufacturer List
95A (82077SL) Floppy Controller
Media formats and transfer rates
Floppy Planar and Drive pinout
2.88 Floppy to Clone Hack Progress
FIFO Mode
2.88MB Floppy
Perpendicular Mode
2.88MB Floppy Disk Construction
Gap2 Information
2.88MB Floppy Source (1,000s of them!!!)
* Marked 2.88MB Floppy Drives
Function of Third Foppy Connector
Error 165- Is The Floppy Working?
8580 Floppy Drives in the 95?
Disable Floppy Under Setup
OS/2 MCA Foppy ADDs
OS/2 ver 3 and DMF Workaround
Planar Floppy Pinout
34 pin Floppy Header Pinouts
Removable Media Security
Secure Media Mode
2.88MB Electronic Eject Floppy
EE Floppy Security Circuitry
Registers
EE Commands
(Registers- Lock, Unlock, Eject)
Issue an Enhanced Command
The floppy controller and interface connector reside on the system board.
95A Floppy Controller
It is an NEC N82077SL, 68 pin SOIC. It seems Intel bought the chip rights from NEC.
The diskette drive controller supports:
o Four data transfer rates: - 250k / 300k / 500k / 1M bits per second
o Programmable precompensation
o A 16-byte FIFO buffer
o PS/2 Style 3.5' 1.44/2.88MB, enhanced 2.88MB, 5.25" 1.2MB
o The secure media mode and the enhanced commands
Snippets
In particular, the 82077SL internally samples the IDENT and MFM pin level which is used to
floppy
http://www.walshcomptech.com/ohlandl/floppy/floppy.html
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Summary
configure the operating mode (PC-AT, Model 30, PS/2) on the falling edge of h/w reset. 82077AA Removal of DMA Request(DRQ) During an Under/Overrun Condition82077 SL Power-on Reset Problem82077SL: t23a TIMING CLARIFICATIONInterface Between 82077AA/SL and the Floppy Drive 5. Sony MP-F40W - 14/15 There...
2.88 64F4148 Not listed, but useable. See Warning below! 9556/9576 and 9557/9577 and i/s 1.44 85F0050 2.88 64F4148 2.88 92F0132 (EE) Bermuda 56/57 planars lack 82077SL. Does not support EE. Server 500 2.88 82G1888 Floppy FRU to Manufacturer List List is NOT complete. Remember that an FRU can refer t...
In the conventional drives, the read/write gap had sufficient depth and could effectively overwrite theolder data as depicted in Figure 4b. It must be noted that it is necessary to write the conventional 2 MBmedia in the 4 MB drive at 500 Kbps perpendicular mode. This ensures proper erasure of exist...
