74F245 functions

U4 unidirectional, used for DRAM /RAS /CAS
U5 unidirectional, used for DRAM address
U3 unidirectional, used for DRAM address

U6 74F14, for refresh? input to 85C407 pin 28, 
	Power good buffer (pin 3 filtered input, 4 and 5 connected, pin 6 output to 85c471)

U8 Kbd and mouse OC buffers

U7 74LS138 to generate /DACK signals on ISA bus

U29 74F02

U17 74LS245, transceiver SD8-15 ISA bus and CPU

U19, U24 transceiver address on ISA bus and CPU (ISA address is connected to L2 cache)

U23 74F244 buffer for clockgen

U21 74F08 AND gate for CPU and more?

U31 7407 buffer for 3.3V circuits

U10 74LS245 unidirectional, used for some clocks to ISA