Changes
Poliander moved page [[Vortex Winchester Drive]] to [[Vortex Winchester Drive (WD20)]]
A HardDiscDrive Harddisk (HDD) solution for the CPC.The first for the CPC.Produced by the German company [[Vortex]]
It was shipped with the power supply, the harddisk itself, a built in 5,25" DD Diskdrive with 720KB and a controller.
The Harddisc was build about 1986. It have the same cases like the F1-S and the F1-D. A big Power Supply which have about 1,5 Kilograms gives the power to the Harddrive. The Harddrive was shipped with the Powersupply The Harddrive itself, a built in 5,25" DD Diskdrive with 720KB and a Controller which was used for being the MFM Controller with controller has two ports for two MFM Harddiscs(with 60MB capacity), two DD Floppys and a ROM board which give place for 2 Roms, which held the VDOS 2.0. The VDOS used is specially adapted to support the hard disk. The Contoller get the Power it's power from the Harddisc.You can connect up to two 60MB MFM Drives which are supported by the VDOS 2.0.But the The normal setup was with had a single 20 MB MFM Drive.
A Software Package consists of a few helpful tools:
*LowLevel Low level Format
*Partition tools
*Format partitions
*Patch for CPM 2.2 and 3.0 (Plus) to support the Drive
*File/Disccopy Tools
*DiskformatDisk format*HexeditorHex editor
*and a few more...
bit 2 = 0
Except for bit 8, other bits are 1. It is not known which bits are decoded by the interaceinterface.
Bit 8 is 1 or 0, maybe it can't be either, but if it is set it could clash
Ports used and their function:
FBFA - wd1010 sdh head/select (SDH) register (read/write)
FBFB - wd1010 write command (write)/wd1010 read status register (read)
F9F8 - WD1010 data register (read/write)
F9F9 = wd1010 precomp precompensation register (write)
F9FA = wd1010 sector count register (read/write)
F9FB = wd1010 sector number register (read/write)
wd1010 documentation says head select/drive select not available as outputs.
"Description" sector:
(incomplete)
byte 0: checksum of bytes 1 to 255 in sector
byte 7: ? not 0x0fe
byte 240: !=0 => no password, 0 => password
byte 241: password length in characters
byte 242: password characters CPLed (up to 10 characters?)
byte 252: drive id (0=a, 1=b, 2=c etc)
Furthur details:
* MFM
* http://www.tiffe.de/Robotron/Winchester-HD/Western_Digital/WD1010.pdf
