Dobbertin Harddisc
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Revision as of 18:35, 26 January 2010 by TFM (Talk | contribs) (→Software using the Dobbertin Harddrive)
A harddisc manufactured by the German company called Dobbertin.
One of the first ways to connect a Harddisc to the CPC. The Dobbertin harddisc has a capacity of 20MB. The disc was partitioned in four partitions of 5152Kb each. It was delivered with drivers for CP/M(2.2 and CP/M+) and allows up to 512 directory entries for each drive.
Reviewed in Amstrad Computer User.
Contents
Pictures
Disc
Software using the Dobbertin Harddrive
Technical
Uses X-DDOS v2.10 (which supports the harddisc, and additionally supports external double sided 80track disc drives). The 20MB harddisc is split into 4 partitions, with drive names D, E, F, and G (drive name C isn't used here, but may be used as RAM disc, in combination with Dobbertin RAM expansion). I/O Ports:
#FBE0 Dobbertin Harddisc Data Port #FBE1 Dobbertin Harddisc Status, Reset #FBE2 Dobbertin Harddisc Select, Configuration #FBE3 Dobbertin Harddisc DMA, Interrupt #FBE4 Dobbertin Harddisc Reset
Other harddisc solutions for the CPC
- Vortex Winchester Drive (MFM)
Modern:
- SYMBiFACE II (IDE)
- CPC-IDE (IDE)
- HDCPC (IDE)
- IDE8255 (IDE)
Promo (summary) (english)
- Controller: Seagate ST11M XT-controler.
- Harddisc: 20 MByte (3.5" Seagate, NEC, Kyocera, or Miniscribe)
- X-DDOS 2.10 (selectable in ROM bank 1-7)
- 4 Partitions of 5152 KByte (5 MBbyte) (accessible as Drive D: to G:)
- 512 Directory entries per partition
- support for CP/M 2.2 with 63K TPA (requires 128K), and for CP/M Plus
- support for Softwareclock and TIMEROM+ (Real Time Clock under CP/M Plus)
- Price: DM 1100.-