SIMM 30 pin 256K - 1M - 4M - 16M---------------------------------- | [ ] [ ] [ ] [ ] [ ] | \O [ ] [ ] [ ] [ ] [ ] O| |_||||||||||||||||||||||||||||||__| 1...........................30
PIN SIGNAL PIN SIGNAL
1......+Vcc 16......DQ4 2......CAS 17......A8 3......DQ0 18......A9 4......A0 19......A10 5......A1 20......DQ5 6......DQ1 21......WE 7......A2 22......Gnd 8......A3 23......DQ6 9......Gnd 24......N/C 10......DQ2 25......DQ7 11......A4 26......QP 12......A5 27......RAS 13......DQ3 28......CASP 14......A6 29......DP 15......A7 30......+Vcc
Note: All pins on both sides are similar. Pins 26, 28 & 29 are not used in all 8 bit SIMMs. Pin 18 is not used in 256K SIMMs. Pin 19 is not used in 256K and 1MB SIMMs.
