Talk:3201

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SCSI controller chip - NCR 5386

The SCSI controller chip used is the NCR 5386. Documentation can be found on Bitsavers[1]. --Torfinn (talk) 08:29, 31 May 2017 (UTC)

The NCR 5385 family consists of the following members:

NCR 5385
first family member, max transfer speed 2.5 Mbps (theoretical)
NCR 5385E
"stop gap" measure to NCR 5386 customers
NCR 5386
superset of NCR 5385 / 85E, production from March 1985
NCR 5386S
NCR 5386 + synchronous operation to 3 Mbytes / sec

--Torfinn (talk) 08:55, 31 May 2017 (UTC)

Z80 cpu

The Z80 cpu on my board is a Z080004PSC[2], which makes it a 4 MHz part. --Torfinn (talk) 08:04, 1 June 2017 (UTC)

DMA controller - Am9517A

The DMA controller is an Am9517A[3] Multimode DMA Controller. --Torfinn (talk) 08:16, 1 June 2017 (UTC)

EPROM

The EPROM on this board is a Am2764A-2DC, a common 64K bytes, 8-bit, 200ns access time EPROM.--Torfinn (talk) 08:24, 1 June 2017 (UTC)

Floppy controller chip

The floppy controller chip is a WDC FD1797-PL 02-16[4]. --Torfinn (talk) 08:34, 1 June 2017 (UTC)

RAM

The board has a TMM2063P-10 chip, which is a 8K bytes static RAM, 100ns access time. --Torfinn (talk) 09:02, 1 June 2017 (UTC)

CTC - Counter / Timer Circuit

There are two Z0843004 chips on the board, which is a Z80 CTC, 4 MHz. --Torfinn (talk) 09:12, 1 June 2017 (UTC)

References