DRAM DIP memory Dual Inline Package

Cache RAM, SRAM, Static RAM

BIOS Chip, 28 pin DIP

9 bit DRAM (8 data +1 parity bit), SIPP Memory, Single Inline Pin Package

9 bit DRAM (8 data +1 parity bit), 30 pin SIMM Memory, Single Inline Memory Module, 9th chip is parity bit

8 bit DRAM (8 data bits), 30 pin SIMM Memory, Single Inline Memory Module, 9th chip (parity bit) is missing

32 bit DRAM, 72 pin SIMM Memory, Single Inline Memory Module

Floppy Drive Cable

Controller 34 pin connector, drive B: then a twist in cable and drive A:
Floppies can use edge connector or 34 pin dual row connector