Difference between revisions of "Dobbertin Harddisc"
| Line 6: | Line 6: | ||
The Dobbertin harddisc has a capacity of 20 MB. | The Dobbertin harddisc has a capacity of 20 MB. | ||
The disc was partitioned in four partitions of 5152 KB each. | The disc was partitioned in four partitions of 5152 KB each. | ||
| − | It was delivered with drivers for [[CP/M]](2.2 and CP/M+) and allows up to 512 directory entries for each partition. | + | It was delivered with drivers for [[CP/M]](2.2 and CP/M+) and allows up to 512 directory entries for each partition (including date and time stamps under CP/M Plus). |
Reviewed in [[Amstrad Computer User]]. | Reviewed in [[Amstrad Computer User]]. | ||
Revision as of 15:03, 1 October 2010
A harddisc manufactured by the German company Dobbertin.
One of the first ways to connect a Harddisc to the CPC. The Dobbertin harddisc has a capacity of 20 MB. The disc was partitioned in four partitions of 5152 KB each. It was delivered with drivers for CP/M(2.2 and CP/M+) and allows up to 512 directory entries for each partition (including date and time stamps under CP/M Plus).
Reviewed in Amstrad Computer User.
Contents
Pictures
- Dobbertin 20 Mb Harddisc
Dobbertin 20 Mb Harddisc
Dobbertin 20 Mb Harddisc interface
Inside 1
Inside 2
Inside 3
Inside 4
Disc
- Dobbertin 20 Mb Harddisc (the driver disc, not the harddisc)
HD20 Dobbertin CPC Harddisk side B
HD20 Dobbertin CPC Harddisk side A
Software using the Dobbertin Harddrive
- In addition a lot of (cracked) games have been able to run from the HD-20 hard disc
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 four 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:
- CPC-IDE (IDE)
- HDCPC (IDE)
- IDE8255 (IDE)
- SYMBiFACE II (IDE)
Promo (summary) (english)
- Controller: Seagate ST11M XT-controler.
- Harddisc: 20 MB (3.5" Seagate, NEC, Kyocera, or Miniscribe)
- X-DDOS 2.10 (selectable in ROM bank 1-7)
- 4 Partitions of 5152 KB (5 MB) (accessible as Drive D: to G:)
- 512 Directory entries per partition
- support for CP/M 2.2 with 63K TPA (requires 128 KB RAM), and for CP/M Plus
- support for Softwareclock and TIMEROM+ (Real Time Clock under CP/M Plus)
- Price: DM 1100.-
Promo (german)
- Dobbertin Festplatte
Frontpage
Contents
