I love old tech, so I just had to find out how it all works.
Kalok KL3120 120MB IDE driveKL-3120 OEM Manual:
http://archive.hmvh.net/txtfiles/hdd/KL3120.MAN.txtCylinders 981
Sectors/track 40
Heads 6
PBL3772, ERICSSON, Dual Stepper Motor Driver, 28-pin power PLCC, 1A per channel:
http://pdf.dzsc.com/PBL/PBL3772.pdfhttp://pdf.eepw.com.cn/p20091012/7f0acc ... 1a0f35.pdfPBM3960, ERICSSON, Microstepping Controller/Dual Digital-to-Analog Converter, 28-pin power PLCC:
http://pdf.datasheetarchive.com/datashe ... 175180.pdfHY62256ALJ-10, Hyundai, 32K x 8bit CMOS SRAM, 5V:
http://www.romstore.ru/pdf/HY62256.pdfZ08691-12VSC, Zilog, Z8, ROM-less, 8-bit microcontroller, 12MHz, Full-Duplex UART; 2 Counter/Timers:
http://www.americanmicrosemi.com/inform ... 8691-12PSCZ86C91, Zilog, Z8, ROM-less, 8-bit microcontroller, 12MHz, Full-Duplex UART; 2 Counter/Timers:
http://ixapps.ixys.com/DataSheet/ps0185.pdfF82C5059, Chips & Tech, Single Chip PC/AT Disk Controller:
http://www.datasheetarchive.com/dl/Scan ... 076750.pdfhttp://pdf.datasheetarchive.com/datashe ... 053823.pdfHA13471A, Hitachi, 2A, three-phase motor drive with speed discriminator, Hall amps:
http://pdf.datasheetarchive.com/datashe ... 249737.pdfXR541CJ, Exar, Disk-Tape Support Circuit - Hard Disk Pulse Detector, 3ns Pulse Pairing:
http://pdf.datasheetarchive.com/indexer ... 047321.pdfXR532ACJ, Exar, Disk-Tape Support Circuit - 7.5 to15Mb/sec RLL(2,7) Data Synch/Sep & ENDEC:
http://pdf.datasheetarchive.com/indexer ... 036386.pdfstepper motor, Sanyo Denki Co. Ltd
103-4902-12T1
73009-001
4.3 ohm
0.9 deg/step (400 steps per rev)
Possible preamps (for 6 heads) - XR-117, XR-501, XR-511
XR-117/117R, Exar, R/W Preamplifier for 3 Terminal Recording Heads, 2, 4, or 6 Channels:
http://pdf.datasheetarchive.com/indexer ... 047318.pdfXR-501/501R, Exar, R/W Preamplifier for 3 Terminal Recording Heads, 6 or 8 Channels:
http://pdf.datasheetarchive.com/indexer ... 047311.pdfXR-511/511R, Exar, R/W Preamplifier for 3 Terminal Recording Heads, 4, 6 or 8 Channels:
http://pdf.datasheetarchive.com/indexer ... 047314.pdf