| IBM Microdrives at a glance |
| Model |
IBM 1GB & 340MB Microdrive Microdrive
DSCM-11000/DSCM-10512/DSCM-10340 |
| Configuration |
| Interface |
CF+ (ATA and PCMCIA compatible) |
| Capacity |
1000/340 |
| Sector Size |
512 |
| Disk |
1 |
| Areal density (max Gbits/sq. inch) |
15.2 |
| Recording density (max KBPI) |
435 |
| Track density (TPI) |
35,000 |
| Performance |
| Data buffer (KB) |
128 |
| Rotational speed (RPM) |
3600 |
| Latency (average ms) |
8.33 |
| Media transfer rate (Mbits/sec) |
38.8 to 59.9 |
| Interface transfer rate (MB/sec) |
11.1 (PIO mode 3) 13.3 (DMA mode 1) |
| Sustained data rate, typical read or write (MB/sec) |
2.6 (min); 4.2 (max) |
| Seek Time (read) |
| Average (ms) |
12 |
| Track-to-track (ms) |
1 |
| Full-track (ms) |
19 |
| Reliability |
| Error rate (nonrecoverable) |
< 1 per 1.0 E 13 bits transferred |
| Load/unload cycles |
300,000 |
| Power |
+3.3V power supply |
+5V power supply |
| Voltage requirement (auto-detect) |
+3.3VDC, +-5% or |
+5VDC, +-5% |
| Current (write) |
250 mA |
260 mA |
| Current (standby) |
20 mA |
20 mA |
| Power consumption efficiency (watts/MB) |
0.000495/0.000967 |
0.00085/0.00166 |
| Physical size |
| Height (mm) |
5 +0 / -0.10 |
| Width (mm) |
42.80/+-0.10 |
| Depth (mm) |
36.40/+-0.15 |
| Weight (g) |
16 (max) |
| Environmental characteristics |
Operating |
Nonoperating |
| Ambient temperature |
0 to 65�C (measured at unit) |
-40 to 65 C |
| Relative humidity (noncondensing) |
8 to 90% |
5 to 95% |
| Shock (half sine wave) |
175 G (2 ms) |
1500 G (1 ms) |
| Vibration (random [RMS]) |
0.67 G (5 to 500 Hz) |
3.01G (5 to 500 Hz) |
| Vibration (swept sine) |
1 G 0-peak (5 to 500 Hz |
5G 0-peak (10 to 500 Hz) |
