Gilderfluke&Co old Smart Brick Manual - Manual (Page 15)

10 FPS (show capacity of 1638 sec. for 16K Smart Brick, 6553 sec. for 64K Smart Brick)
12 FPS (show capacity of 1365 sec. for 16K Smart Brick, 5461 sec. for 64K Smart Brick)
15 FPS (show capacity of 1092 sec. for 16K Smart Brick, 4369 sec. for 64K Smart Brick)
16 FPS (show capacity of 1024 sec. for 16K Smart Brick, 4096 sec. for 64K Smart Brick)
20 FPS (show capacity of 819 sec. for 16K Smart Brick, 3276 sec. for 64K Smart Brick)
24 FPS (show capacity of 682 sec. for 16K Smart Brick, 2730 sec. for 64K Smart Brick)
25 FPS (show capacity of 655 sec. for 16K Smart Brick, 2621 sec. for 64K Smart Brick)
30 FPS (show capacity of 546 sec. for 16K Smart Brick, 2184 sec. for 64K Smart Brick)
32 FPS (show capacity of 512 sec. for 16K Smart Brick, 2048 sec. for 64K Smart Brick)
50 FPS (show capacity of 327 sec. for 16K Smart Brick, 1310 sec. for 64K Smart Brick)
60 FPS (show capacity of 273 sec. for 16K Smart Brick, 1092 sec. for 64K Smart Brick)
64 FPS (show capacity of 256 sec. for 16K Smart Brick, 1024 sec. for 64K Smart Brick)
75 FPS (show capacity of 218 sec. for 16K Smart Brick, 873 sec. for 64K Smart Brick)
100 FPS (show capacity of 163 sec. for 16K Smart Brick, 655 sec. for 64K Smart Brick)
4) External Time Base: This is generally used when you need to tie the Smart Brick System to an ex-
ternal clock. Typical uses of external time base sync are to lock the system to a mechanical device like a
motion picture camera or projector so that it will follow at any speed, or to synchronize two incompatible
systems so that data can be transferred between the two. Frame rates supported are from 1 to 100 FPS
(this is simply the number of frames displayed on the Heads Up Display, as the actual rate will follow
whatever clock rate is fed to the Brick Brain).
5) IBM Backup Box Mode: This is a special mode which is used only when using the IBM Backup Box
with the Smart Brick System. It makes the Smart Brick System look to the IBM Backup Box more like a stan-
dard externally clocked Micro MACs system. It is entered by turning on SWITCH 8 in the dipswitch inside
the Brick Brain. When in this mode, the hours, minutes, seconds, and frame numbers on the Heads Up
Display will not be updated and the Smart Bricks will be treated as a single block of 16K or 64K bytes of
memory. If you have broken up the memory into any separate ÔshowsÕ, these will simply be ignored.
These shortcuts are to save time so that the system can run at the higher speeds the IBM Backup Box
wants to see. Even so, you may find that the Smart Brick System still isnÕt as fast as the IBM Backup Box
wants to see it (a lot of this depends on how fast your IBM compatible runs). For this reason you may
need to slow down the IBM Backup Box software by setting the ÔFast Forward SpeedÕ. Larger numbers slow
the Backup Box down, while smaller numbers run faster. To test the speed to determine the proper set-
tings for the Ôfast forward speedÕ, do the following:
1) Connect the IBM backup Box to the Smart Brick System normally by:
a) connect the Smart Brick to the Micro Console and Brick Brain as you would normally.
b) run
a 6 conductor telephone style cable between the ÔJ8 inputÕ on the Brain and the ÔJ8
outÕ in the IBM Backup box.
c) connect the 1/4 J-6 for the channel you will be using to the IBM backup Box.
d) connect the parallel port from the IBM compatible you will be using to the IBM Backup
Box.
2) Turn on dipswitch number 8 in the Smart Brick Brain.
3) Using the Ôsingle stepÕ command (ÒsÒ) in the IBM Backup Box software, program in a simple and
easily recognizable sequence in the first few frames of the Smart Brick
4) Write this data to the disk of the IBM compatible using the instructions in the IBM Backup Box
manual.
5) Read this data back into the Smart Brick using the instructions in the IBM Backup Box manual.
6) Now single step through the first few frames of the reloaded data and see if they are the
same as when you programmed them, and especially that the data is in the same frame
numbers as they were when you programmed them.
7a) If the data has changed or has moved, then you need to use a larger number for the Ôfast for-
ward speedÕ. Enter the Ôfast forward speedÕ and repeat this sequence starting at step 3 above
again to make sure that the IBM Backup Box is now running slowly enough.
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