Synology DS-101g+
Pictures of the hardware:
http://www.nslu2-linux.org/gallery/DS10x-PCBs
- 266MHz MPC603e core PowerPC - Freescale MPC8241
- 64MB 133MHz SDRAM - PSC A2V56S408TP
- 16MB Flash - Spansion S29GL128M
- 1x Internal & 1x External SATA150 port - Silicon Image SiI3512
- 3 USB 2.0 ports - NEC μPD720101
- 1 Network interface @ 10/100/1000BaseT HD/FD - Marvell Yukon 88E8001
- Three buttons: Power, Reset and USB-Copy
- Internal "smart" fan
It appears that there is a space for a PCI socket and space for an extra 2 SDRAM chips. It is unknown at this time whether it is possible to enable them.
The pads for connecting a JTAG adapter are present on the PCB and are marked JTAG & J1.