The SIMMs are 168-pin, JEDEC-standard devices. Do not use other types of memory modules.
Requirement-All SIMMs in a bank (eight SIMMs) must have the same capacity. Do not mix 8, 32, or 128 Mbyte SIMMs in the same bank.
All SIMMs in a bank should have the same speed rating. If SIMMs of different speeds are mixed in a bank, the bank will function, but at the lowest speed.