TEAC FD-235HF 720k/1.4M FDD: Interface Connector (J1)(1) | ||
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Description | 34w IDC Connector | Direction |
/DISK CHANGE(2) | 34 | OUT |
Signal Ground | 33 | - |
/SIDE SELECT | 32 | IN |
Signal Ground | 31 | - |
/READ DATA | 30 | OUT |
Signal Ground | 29 | - | /WRITE PROTECT | 28 | OUT |
Signal Ground | 27 | - | /TRACK 00 | 26 | OUT |
Signal Ground | 25 | - | /WRITE GATE | 24 | IN |
Signal Ground | 23 | - | /WRITE DATA | 22 | IN |
Signal Ground | 21 | - | /STEP | 20 | IN |
Signal Ground | 19 | - | /DIRECTION SELECT | 18 | IN |
Signal Ground | 17 | - | /MOTOR ON | 16 | IN |
Signal Ground | 15 | - | NO CONNECTION | 14 | - |
Signal Ground | 13 | - | /DRIVE SELECT 1 | 12 | IN |
Signal Ground | 11 | - | NO CONNECTION (/DRIVE SELECT 0)(3) |
10 | - (IN) |
Signal Ground | 9 | - | /INDEX | 8 | OUT |
Signal Ground | 7 | - | NO CONNECTION | 6 | - |
NO CONNECTION | 5 | - | NO CONNECTION | 4 | - |
NO CONNECTION | 3 | - | NO CONNECTION(4) | 2 | - |
NO CONNECTION | 1 | - |
(1) Inferred from (limited) data sheet, by inspection of the drive and
PC AT data. (2)Inverse logic to the old "/READY" signal - is LOW when the disk is NOT in the drive. (3)"DS1" is a hard-soldered link that could (with care) be changed to "DS0". (4)"DD" or "HD" density appears to be auto-selected. |
TEAC FD-235HF 720k/1.4M FDD: Power Connector (J2) | |
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+5V DC @ ~0.42A (2.1W) | 1 |
Ground (0V) | 2 |
Ground (0V) | 3 |
No Connection | 4 |
Prepared by F.T. Gowen
Last modified: 26th. August, 2001