Hi Res Version (2000 x 1260)
The H1 memory card, is a RAM expansion designed for use with the Hurricane 1000 accelerator. The card takes a maximum of 8MB of RAM in the form of 32bit DRAM chips. The Hurricane 1000 didn't give much of a speed increase to the A1000 without this memory module.
Thanks to http://www.vgr.com/ronin