Memory Upgrades and Other Options
Choosing and Installing SIMMs for K2600 Sample Memory
9-3
SIMM Configurations
Some SIMMs cannot be paired with other SIMMs, regardless of their sizes. The following table
shows which sizes can be combined.
For example, a 4 M SIMM can be combined with another 4 M SIMM to create 8 M of sample
memory. Similarly, a 4 M SIMM could be paired with a 16 M or 64 M SIMM. It could not,
however, be paired with an 8 M, 32 M or 128 M SIMM. If you use an 8 M, 32 M, or 128 M SIMM,
you cannot use the other SIMM socket.
These companies make SIMMs that work (many other sources are also likely to have the proper
conÞgurations):
Newer RAM (800) 678-3726 or (316) 943-0222
Chip Merchant (800) 808-2447 or (619) 268-4774
Kamel Peripherals (508) 435-7771 or (888) 295-2635
Lifetime Memory (800) 233 6233 or (714) 794-9000
Caution
: Do not use composite SIMMs. A composite SIMM is one that uses a PAL or other additional
circuitry to make multiple DRAM chips act like bigger chips. Non-composite SIMMs (acceptable) have no
chips other than DRAM memory chips soldered to the board. SIMMs with PALs, buffers, or other logic
components will not work in a K2600; do not use them. Composite SIMMs may appear to work in some
cases, but they will be unreliable.
Installing Sample RAM
ThereÕs an access panel on the underside of your K2600, which youÕll need to open to install
your sample RAM. This is the same panel you would open to install a replacement battery, the
P/RAM-26 option, or ROM sound block options.
Warning
: Turn off your K2600 and disconnect the power cable!
1. Carefully place your K2600 upside down on a padded level surface, with the front of the
instrument toward you. Keyboard owners should use soft, sturdy foam under the ends of
the instrument, to protect the wheels and sliders.
Size in Megabytes Can Be Paired With Other SIMMs
4Yes
8No
16 Yes
32 No
64 Yes
128 No
Table 9-1 SIMM-size Compatibility
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