Saphire Production Disk Magazine. SPDM01_v98 : Disk Mag #1. 98k. Early disk format. Only works on DOS VZEM. SPDM01_v99 : Disk Mag #1. 99k. Works on VZEM. SPDM02_v98 : Disk Mag #2. 98k. Early disk format. Only works on DOS VZEM. SPDM02_v99 : Disk Mag #2. 99k. Works on VZEM. SPDM03_1 : Disk Mag #3. Side 1. SPDM03_2 : Disk Mag #3. Side 2. (note: 98k, but still works ok for VZEM) SPDM04_1 : Disk Mag #4. Side 1. SPDM04_2 : Disk Mag #4. Side 2.