8570 Reply Turboboard

F1 Keyboard PTC Fuse
J1 HDD15 Video
J2 DB25 Serial
J3 Parallel
J4 Mouse
J5 Keyboard
J6 Outline, 2 pin. Unk
J7 Outline, 3 pin. Unk
J8 Outline, 2 pin. Unk
J11 Password clear?
J12 Battery header
J13 Outline, 2 pin. Unk
J14 CMOS clear?
J15 IDE controller
J16 Outline, 2 pin, for Fan power
J17,18 Three pin drive power
P1 16-bit MCA slot w/AVE
P2,3 32-bit MCA slot
P4 Drive riser
P5A Power edgecard connector
U1,4 Video RAM MT4C16257DJ-7
U5,12 SOJ sockets for 256x16 DRAM
U13 Cirrus Logic CL-GD5434
U21 10G4672 On 85-N and Lacuna
U23 Wierd green PCB w/xtal?
U28 Dallas DS1387 RTC
U29,35,42 Flash chips, unk
U31 L2 Cache (Lacuna modules work?)
U40 Outline for QFP. 486SX?
U43 71G0438 ((Synchrostream Controller)
U60,62,65 72 pin SIMM sockets
U63 Socket 3 (5v only)
U68 Appian ADI/2 IDE controller?
U69 NEC 82078-1 B Floppy controller
Q3 Linear Tech LT1085 voltage regulator
Y1 14.31818 MHz xtal.

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