Great Valley Products Impact A2000-HC+8 Series II

Manufacturer Great Valley Products, USA	Date 1990	Amiga A2000, A3000, A4000	Interface Zorro II	Autoconfig ID 2017 / 10,11

Manufacturer

Great Valley Products, USA

Date

1990

Amiga

A2000, A3000, A4000

Interface

Zorro II

Autoconfig ID

2017 / 10,11

SCSI 2 DMA controller

WD 33C93A @ 14 MHz
3.58 MB/s transfer speed
FaaastROM SCSI driver (gvpscsi.device) - autobooting requires at least Kickstart 1.3
autoboot disable jumper
RDB compatible
place for a 3.5" hard disk on the card
50 pin internal SCSI header
DB25 external connector
hard disk activity LED connector
no termination power
A-Max II driver (gvpscsi.amhd)
supported by Linux and NetBSD

memory

eight 30 pin SIMM sockets accept 8 MB RAM
accepts SIMMs in groups of two, giving 2, 4, 6 or 8 MB configurations
this memory is technically not Zorro II memory - data is DMA-d from the HD as normal, but not via the Zorro bus for added speed

jumper settings

J5
OFF
OFF
ON
OFF
OFF

J6
OFF
ON
OFF
OFF
ON

J7
ON
OFF
OFF
ON
OFF

J8
OFF
OFF
OFF
ON
ON

J9
ON
ON
ON
OFF
OFF

- memory
- 0 MB
- 2 MB, CN10-CN11
- 4 MB, CN10-CN13
- 6 MB, CN10-CN15
- 8 MB, CN10-CN17