Umax C600/200 Facts at a Glance
- Processor: 603e, 200MHz
- System Bus Speed: 40MHz
- L2 Cache: 256k
- Installed RAM: 16MB, 144MB Max
- Min RAM Speed: 70 ns
- RAM Slots: 2, 168-pin DIMM
- VRAM: 1MB (uses logic board RAM for video)
- Slots: 3 PCI, 1 comm.
- Drive: 2.1GB IDE
- Int. Drive Bays: 4
- CD-ROM: 8x, 12x (C600e/200)
- Introduced: October 1996
- Discontinued: May, 1998
- Original Price $1,999
- The 16MB of RAM that came with the machine is soldered
to the motherboard
- Modem: 28.8k (in comm slot)
- Supported OS: 7.5.3 - 8.1*
*More recent OS's may work but are not officially supported
SuperMac Upgrade & Troubleshooting
The Umax "C" series represented the low end of
Umax's lineup. Also in the C series were the C500's which
shared the same 603e processor as the C600's. The C500's,
however, used a less expandable desktop form factor. The C600's
had plenty of room for expansion with 4 free internal drive
bays.Other offerings from Umax included the higher powered
"J" and "S" series.
The C600/200 was the successor to the C600/180. The additional
20MHz only translated to an 8% improvement in the processor
score. The C600 line reached its peak at 280MHz less than
one year after the initial C600/180 was released.
Aimed at the user with expansion in mind, it is surprising
and unfortunate that VRAM was limited to 1MB and, since it
was soldered onto the logic board, was not expandable. Those
wanting to use a larger monitor and/or higher resolutions
would have to spring for an extra graphics card to operate
at a reasonable color depth.The C600/200 also lacked on-board
On the positive side, the C600's, like the C500 series,
came with an excellent SOHO software bundle which included;
Grollier's Encyclopedia, Claris Works, Quicken, Now Utilities,
Conflict Catcher and Adobe's Page Mill to name a few.
Umax later included Connectix's Virtual PC in a C600/200vPC
The internal CD-ROM came in two different speeds, 8x on the
standard C600/200 or 12x on the C600e/200. While The 1MB VRAM
was not upgradeable, the L2 Cache fortunately was - to either
512k or 1MB - with offerings available from several vendors.
Umax also offered the (then) revolutionary "inline"
CacheDoubler card which sat sandwiched between the processor
and the ZIF slot. Like the G3's backside cache we all know
and love, the CacheDoubler card allowed higher speed access
to the processor than the standard L2 cache.
Currently the G3 upgrade paths for this machine is via the
L2 Cache slot.
Below you will find the MacBench 4.0 results for the current
processor upgrades available for this machine. Results marked
in blue indicate that benchmark results were done by us. All
other processor card results were provided by the upgrade
manufacturer. The bar graphs below express results as a percentage
of improvement over the base machine, which receives a score
of 100%. Further down the page you will find a table with
the actual MacBench score
MacBench Absolute Scores
Processor Upgrade Card
MacBench 4.0 Processor Score
|Sonnet Crescendo L2 G3/240/120/512K
|Sonnet Crescendo L2 G3/300/150/512K
|Sonnet Crescendo L2 G3/300/150/1MB
|Sonnet Crescendo L2 G3/320/160/512K
|Sonnet Crescendo L2 G3/320/160/1MB
| Sonnet Crescendo G3/L2 400/200/512K
| Sonnet Crescendo G3/L2 400/200/1MB
|Newer MAXpowr G3-L2 400/200/1MB
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